E-PROFILE
ANDOYA CHM15k Rayleigh
0-20000-0-01010_A · NORWAY · 69.315, 16.131 · 3 m
Median C_L 1.728e+11
Spread 25%
Drift 15 d -14.1%
i

Data availability, cloud cover & calibration — per day; click a day to open that night in the daily panel

Status Pass Warning Error No data Cloud cover 0 4 8 octas Calibration calibrated no scene no night atmosphere retrieval instrument no data
MEDIAN C_L (RAYLEIGH)
1.728e+11
73 calibrated nights
SPREAD (P10-P90)
25%
1.537e+11 … 1.963e+11
15-DAY DRIFT
-14.1%
vs the preceding 45 d
LAST VALID
today
2026-10-22

Rayleigh — calibration constant over time 11% success · 73/659 · median 1.728e+11

Daily calibration

Time–height & profile

Rayleigh 11% success · 73/659 · median 1.728e+11 · rel. unc 3% · click a point to open that night

All Rayleigh calibrations (659) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
20261022 0.5 Partial success 1.482e+11 5.52e+09 2700–5577 m Successful (method err: 14.3%, sensitivity 2σ: 3.7%)
20261021 1.0 Successful 1.639e+11 1.62e+10 2940–6297 m Successful (method err: 8.0%, sensitivity 2σ: 9.9%)
20261020 -1.0 Not a clear night — — — Not a clear night
20261019 -1.0 Not a clear night — — — Not a clear night
20261018 -1.0 Not a clear night — — — Not a clear night
20261017 -1.0 Not a clear night — — — Not a clear night
20261016 -1.0 Not a clear night — — — Not a clear night
20261015 -1.0 Not a clear night — — — Not a clear night
20261014 -1.0 Not a clear night — — — Not a clear night
20261013 0.5 Partial success 1.532e+11 2.95e+09 1741–5577 m Successful (method err: 8.6%, sensitivity 2σ: 1.9%)
20261012 0.5 Partial success 1.562e+11 2.54e+09 1741–5577 m Successful (method err: 7.2%, sensitivity 2σ: 1.6%)
20261011 0.5 Partial success 1.662e+11 6.74e+09 1741–5577 m Successful (method err: 0.6%, sensitivity 2σ: 4.1%)
20261010 -1.0 Not a clear night — — — Not a clear night
20261009 -1.0 Not a clear night — — — Not a clear night
20261008 -1.0 Not a clear night — — — Not a clear night
20261007 -1.0 Not a clear night — — — Not a clear night
20261006 -1.0 Not a clear night — — — Not a clear night
20261005 -1.0 Not a clear night — — — Not a clear night
20261004 -1.0 Not a clear night — — — Not a clear night
20261003 -1.0 Not a clear night — — — Not a clear night
20261002 1.0 Successful 1.818e+11 6.13e+09 4139–7016 m Successful (method err: 14.8%, sensitivity 2σ: 3.4%)
20261001 -3.0 Method disagreement — — — Method disagreement: 16.0%
20260930 -1.0 Not a clear night — — — Not a clear night
20260929 -1.0 Not a clear night — — — Not a clear night
20260928 -1.0 Not a clear night — — — Not a clear night
20260927 -1.0 Not a clear night — — — Not a clear night
20260926 -1.0 Not a clear night — — — Not a clear night
20260925 0.5 Partial success 1.946e+11 1.73e+10 1741–5577 m Successful (method err: 7.8%, sensitivity 2σ: 8.9%)
20260924 -1.0 Not a clear night — — — Not a clear night
20260923 -1.0 Not a clear night — — — Not a clear night
20260922 -1.0 Not a clear night — — — Not a clear night
20260921 -1.0 Not a clear night — — — Not a clear night
20260920 0.5 Partial success 1.783e+11 4.96e+09 1741–5577 m Successful (method err: 8.1%, sensitivity 2σ: 2.8%)
20260919 -1.0 Not a clear night — — — Not a clear night
20260918 -1.0 Not a clear night — — — Not a clear night
20260917 -1.0 Not a clear night — — — Not a clear night
20260916 -1.0 Not a clear night — — — Not a clear night
20260915 -1.0 Not a clear night — — — Not a clear night
20260914 -1.0 Not a clear night — — — Not a clear night
20260913 -1.0 Not a clear night — — — Not a clear night
20260912 -1.0 Not a clear night — — — Not a clear night
20260911 -1.0 Not a clear night — — — Not a clear night
20260910 -1.0 Not a clear night — — — Not a clear night
20260909 -1.0 Not a clear night — — — Not a clear night
20260908 -1.0 Not a clear night — — — Not a clear night
20260907 -1.0 Not a clear night — — — Not a clear night
20260906 -1.0 Not a clear night — — — Not a clear night
20260905 -1.0 Not a clear night — — — Not a clear night
20260904 -1.0 Not a clear night — — — Not a clear night
20260903 -1.0 Not a clear night — — — Not a clear night
20260902 -1.0 Not a clear night — — — Not a clear night
20260901 -1.0 Not a clear night — — — Not a clear night
20260831 -1.0 Not a clear night — — — Not a clear night
20260830 -1.0 Not a clear night — — — Not a clear night
20260829 -1.0 Not a clear night — — — Not a clear night
20260828 -1.0 Not a clear night — — — Not a clear night
20260827 -1.0 Not a clear night — — — Not a clear night
20260826 -1.0 Not a clear night — — — Not a clear night
20260825 -1.0 Not a clear night — — — Not a clear night
20260824 0.0 No data — — — No profiles in nighttime window
20260823 0.0 No data — — — No profiles in nighttime window
20260822 0.0 No data — — — No profiles in nighttime window
20260821 0.0 No data — — — No profiles in nighttime window
20260820 0.0 No data — — — No profiles in nighttime window
20260819 0.0 No data — — — No profiles in nighttime window
20260818 0.0 No data — — — No profiles in nighttime window
20260817 0.0 No data — — — No profiles in nighttime window
20260816 0.0 No data — — — No profiles in nighttime window
20260815 0.0 No data — — — No profiles in nighttime window
20260814 0.0 No data — — — No profiles in nighttime window
20260813 0.0 No data — — — No profiles in nighttime window
20260812 0.0 No data — — — No profiles in nighttime window
20260811 0.0 No data — — — No profiles in nighttime window
20260810 0.0 No data — — — No profiles in nighttime window
20260809 0.0 No data — — — No profiles in nighttime window
20260808 0.0 No data — — — No profiles in nighttime window
20260807 0.0 No data — — — No profiles in nighttime window
20260806 0.0 No data — — — No profiles in nighttime window
20260805 0.0 No data — — — No profiles in nighttime window
20260804 0.0 No data — — — No profiles in nighttime window
20260803 0.0 No data — — — No profiles in nighttime window
20260802 0.0 No data — — — No profiles in nighttime window
20260801 0.0 No data — — — No profiles in nighttime window
20260731 0.0 No data — — — No profiles in nighttime window
20260730 0.0 No data — — — No profiles in nighttime window
20260729 0.0 No data — — — No profiles in nighttime window
20260728 0.0 No data — — — No profiles in nighttime window
20260727 0.0 No data — — — No profiles in nighttime window
20260726 0.0 No data — — — No profiles in nighttime window
20260725 0.0 No data — — — No profiles in nighttime window
20260724 0.0 No data — — — No profiles in nighttime window
20260723 0.0 No data — — — No profiles in nighttime window
20260722 0.0 No data — — — No profiles in nighttime window
20260721 0.0 No data — — — No profiles in nighttime window
20260720 0.0 No data — — — No profiles in nighttime window
20260719 0.0 No data — — — No profiles in nighttime window
20260718 0.0 No data — — — No profiles in nighttime window
20260717 0.0 No data — — — No profiles in nighttime window
20260716 0.0 No data — — — No profiles in nighttime window
20260715 0.0 No data — — — No profiles in nighttime window
20260714 0.0 No data — — — No profiles in nighttime window
20260713 0.0 No data — — — No profiles in nighttime window
20260712 0.0 No data — — — No profiles in nighttime window
20260711 0.0 No data — — — No profiles in nighttime window
20260710 0.0 No data — — — No profiles in nighttime window
20260709 0.0 No data — — — No profiles in nighttime window
20260708 0.0 No data — — — No profiles in nighttime window
20260707 0.0 No data — — — No profiles in nighttime window
20260706 0.0 No data — — — No profiles in nighttime window
20260705 0.0 No data — — — No profiles in nighttime window
20260704 0.0 No data — — — No profiles in nighttime window
20260703 0.0 No data — — — No profiles in nighttime window
20260702 0.0 No data — — — No profiles in nighttime window
20260701 0.0 No data — — — No profiles in nighttime window
20260630 0.0 No data — — — No profiles in nighttime window
20260629 0.0 No data — — — No profiles in nighttime window
20260628 0.0 No data — — — No profiles in nighttime window
20260627 0.0 No data — — — No profiles in nighttime window
20260626 0.0 No data — — — No profiles in nighttime window
20260625 0.0 No data — — — No profiles in nighttime window
20260624 0.0 No data — — — No profiles in nighttime window
20260623 0.0 No data — — — No profiles in nighttime window
20260622 0.0 No data — — — No profiles in nighttime window
20260621 0.0 No data — — — No profiles in nighttime window
20260620 0.0 No data — — — No profiles in nighttime window
20260619 0.0 No data — — — No profiles in nighttime window
20260618 0.0 No data — — — No profiles in nighttime window
20260617 0.0 No data — — — No profiles in nighttime window
20260616 0.0 No data — — — No profiles in nighttime window
20260615 0.0 No data — — — No profiles in nighttime window
20260614 0.0 No data — — — No profiles in nighttime window
20260613 0.0 No data — — — No profiles in nighttime window
20260612 0.0 No data — — — No profiles in nighttime window
20260611 0.0 No data — — — No profiles in nighttime window
20260610 0.0 No data — — — No profiles in nighttime window
20260609 0.0 No data — — — No profiles in nighttime window
20260608 0.0 No data — — — No profiles in nighttime window
20260607 0.0 No data — — — No profiles in nighttime window
20260606 0.0 No data — — — No profiles in nighttime window
20260605 0.0 No data — — — No profiles in nighttime window
20260604 0.0 No data — — — No profiles in nighttime window
20260603 0.0 No data — — — No profiles in nighttime window
20260602 0.0 No data — — — No profiles in nighttime window
20260601 0.0 No data — — — No profiles in nighttime window
20260531 0.0 No data — — — No profiles in nighttime window
20260530 0.0 No data — — — No profiles in nighttime window
20260529 0.0 No data — — — No profiles in nighttime window
20260528 0.0 No data — — — No profiles in nighttime window
20260527 0.0 No data — — — No profiles in nighttime window
20260526 0.0 No data — — — No profiles in nighttime window
20260525 0.0 No data — — — No profiles in nighttime window
20260524 0.0 No data — — — No profiles in nighttime window
20260523 0.0 No data — — — No profiles in nighttime window
20260522 0.0 No data — — — No profiles in nighttime window
20260521 0.0 No data — — — No profiles in nighttime window
20260520 0.0 No data — — — No profiles in nighttime window
20260519 0.0 No data — — — No profiles in nighttime window
20260518 0.0 No data — — — No profiles in nighttime window
20260517 0.0 No data — — — No profiles in nighttime window
20260516 0.0 No data — — — No profiles in nighttime window
20260515 0.0 No data — — — No profiles in nighttime window
20260514 0.0 No data — — — No profiles in nighttime window
20260513 0.0 No data — — — No profiles in nighttime window
20260512 0.0 No data — — — No profiles in nighttime window
20260511 0.0 No data — — — No profiles in nighttime window
20260510 0.0 No data — — — No profiles in nighttime window
20260509 0.0 No data — — — No profiles in nighttime window
20260508 0.0 No data — — — No profiles in nighttime window
20260507 0.0 No data — — — No profiles in nighttime window
20260506 0.0 No data — — — No profiles in nighttime window
20260505 0.0 No data — — — No profiles in nighttime window
20260504 0.0 No data — — — No profiles in nighttime window
20260503 0.0 No data — — — No profiles in nighttime window
20260502 0.0 No data — — — No profiles in nighttime window
20260501 0.0 No data — — — No profiles in nighttime window
20260430 0.0 No data — — — No profiles in nighttime window
20260429 0.0 No data — — — No profiles in nighttime window
20260428 0.0 No data — — — No profiles in nighttime window
20260427 0.0 No data — — — No profiles in nighttime window
20260426 0.0 No data — — — No profiles in nighttime window
20260425 0.0 No data — — — No profiles in nighttime window
20260424 0.0 No data — — — No profiles in nighttime window
20260423 0.0 No data — — — No profiles in nighttime window
20260422 0.0 No data — — — No profiles in nighttime window
20260421 0.0 No data — — — No profiles in nighttime window
20260420 0.0 No data — — — No profiles in nighttime window
20260419 0.0 No data — — — No profiles in nighttime window
20260418 -3.0 Method disagreement — — — Method disagreement: 17.7%
20260417 -1.0 Not a clear night — — — Not a clear night
20260416 -1.0 Not a clear night — — — Not a clear night
20260415 -1.0 Not a clear night — — — Not a clear night
20260414 -1.0 Not a clear night — — — Not a clear night
20260413 -3.0 Method disagreement — — — Method disagreement: 15.4%
20260412 1.0 Successful 1.828e+11 9.74e+09 2221–6057 m Successful (method err: 1.1%, sensitivity 2σ: 5.3%)
20260411 0.5 Partial success 1.799e+11 1.07e+10 2221–2700 m Successful (method err: 9.3%, sensitivity 2σ: 6.0%)
20260410 -1.0 Not a clear night — — — Not a clear night
20260409 -1.0 Not a clear night — — — Not a clear night
20260408 -1.0 Not a clear night — — — Not a clear night
20260407 -1.0 Not a clear night — — — Not a clear night
20260406 -3.0 Method disagreement — — — Method disagreement: 15.9%
20260405 -1.0 Not a clear night — — — Not a clear night
20260404 -1.0 Not a clear night — — — Not a clear night
20260403 -1.0 Not a clear night — — — Not a clear night
20260402 -1.0 Not a clear night — — — Not a clear night
20260401 -1.0 Not a clear night — — — Not a clear night
20260331 -1.0 Not a clear night — — — Not a clear night
20260330 -1.0 Not a clear night — — — Not a clear night
20260329 -1.0 Not a clear night — — — Not a clear night
20260328 -1.0 Not a clear night — — — Not a clear night
20260327 -1.0 Not a clear night — — — Not a clear night
20260326 -1.0 Not a clear night — — — Not a clear night
20260325 -1.0 Not a clear night — — — Not a clear night
20260324 -1.0 Not a clear night — — — Not a clear night
20260323 -1.0 Not a clear night — — — Not a clear night
20260322 -1.0 Not a clear night — — — Not a clear night
20260321 -1.0 Not a clear night — — — Not a clear night
20260320 -1.0 Not a clear night — — — Not a clear night
20260319 -1.0 Not a clear night — — — Not a clear night
20260318 -1.0 Not a clear night — — — Not a clear night
20260317 -1.0 Not a clear night — — — Not a clear night
20260316 0.5 Partial success 1.613e+11 3.10e+09 2221–5577 m Successful (method err: 8.3%, sensitivity 2σ: 1.9%)
20260315 -1.0 Not a clear night — — — Not a clear night
20260314 -1.0 Not a clear night — — — Not a clear night
20260313 -1.0 Not a clear night — — — Not a clear night
20260312 0.5 Partial success 1.835e+11 3.57e+09 2221–5577 m Successful (method err: 1.7%, sensitivity 2σ: 1.9%)
20260311 -1.0 Not a clear night — — — Not a clear night
20260310 -1.0 Not a clear night — — — Not a clear night
20260309 -1.0 Not a clear night — — — Not a clear night
20260308 -1.0 Not a clear night — — — Not a clear night
20260307 -1.0 Not a clear night — — — Not a clear night
20260306 -1.0 Not a clear night — — — Not a clear night
20260305 -1.0 Not a clear night — — — Not a clear night
20260304 -1.0 Not a clear night — — — Not a clear night
20260303 -1.0 Not a clear night — — — Not a clear night
20260302 -1.0 Not a clear night — — — Not a clear night
20260301 -1.0 Not a clear night — — — Not a clear night
20260228 -1.0 Not a clear night — — — Not a clear night
20260227 -1.0 Not a clear night — — — Not a clear night
20260226 -1.0 Not a clear night — — — Not a clear night
20260225 0.5 Partial success 1.681e+11 4.92e+09 1741–5577 m Successful (method err: 4.8%, sensitivity 2σ: 2.9%)
20260224 1.0 Successful 1.736e+11 1.17e+10 1741–4139 m Successful (method err: 1.8%, sensitivity 2σ: 6.7%)
20260223 1.0 Successful 1.7e+11 9.95e+09 1981–5817 m Successful (method err: 10.5%, sensitivity 2σ: 5.9%)
20260222 -1.0 Not a clear night — — — Not a clear night
20260221 1.0 Successful 1.663e+11 5.55e+09 1741–5577 m Successful (method err: 4.8%, sensitivity 2σ: 3.3%)
20260220 0.5 Partial success 1.863e+11 5.95e+09 1741–5098 m Successful (method err: 12.9%, sensitivity 2σ: 3.2%)
20260219 -1.0 Not a clear night — — — Not a clear night
20260218 -1.0 Not a clear night — — — Not a clear night
20260217 -1.0 Not a clear night — — — Not a clear night
20260216 -1.0 Not a clear night — — — Not a clear night
20260215 -1.0 Not a clear night — — — Not a clear night
20260214 -1.0 Not a clear night — — — Not a clear night
20260213 -1.0 Not a clear night — — — Not a clear night
20260212 1.0 Successful 1.973e+11 6.98e+09 1741–5098 m Successful (method err: 5.0%, sensitivity 2σ: 3.5%)
20260211 -1.0 Not a clear night — — — Not a clear night
20260210 -1.0 Not a clear night — — — Not a clear night
20260209 -1.0 Not a clear night — — — Not a clear night
20260208 0.5 Partial success 1.602e+11 4.25e+09 2461–5817 m Successful (method err: 7.3%, sensitivity 2σ: 2.7%)
20260207 -1.0 Not a clear night — — — Not a clear night
20260206 -1.0 Not a clear night — — — Not a clear night
20260205 -1.0 Not a clear night — — — Not a clear night
20260204 -1.0 Not a clear night — — — Not a clear night
20260203 -1.0 Not a clear night — — — Not a clear night
20260202 -1.0 Not a clear night — — — Not a clear night
20260201 -1.0 Not a clear night — — — Not a clear night
20260131 0.5 Partial success 1.883e+11 1.36e+10 1741–5577 m Successful (method err: 1.8%, sensitivity 2σ: 7.2%)
20260130 1.0 Successful 1.904e+11 7.73e+09 1981–5817 m Successful (method err: 0.5%, sensitivity 2σ: 4.1%)
20260129 1.0 Successful 1.842e+11 5.81e+09 1741–5577 m Successful (method err: 12.7%, sensitivity 2σ: 3.2%)
20260128 -1.0 Not a clear night — — — Not a clear night
20260127 -1.0 Not a clear night — — — Not a clear night
20260126 -1.0 Not a clear night — — — Not a clear night
20260125 -1.0 Not a clear night — — — Not a clear night
20260124 0.5 Partial success 1.688e+11 1.67e+09 1741–5577 m Successful (method err: 1.7%, sensitivity 2σ: 1.0%)
20260123 0.5 Partial success 1.614e+11 2.86e+09 1741–5577 m Successful (method err: 4.9%, sensitivity 2σ: 1.8%)
20260122 0.5 Partial success 1.577e+11 3.28e+09 1741–5577 m Successful (method err: 7.2%, sensitivity 2σ: 2.1%)
20260121 1.0 Successful 1.594e+11 3.10e+09 1741–5577 m Successful (method err: 6.2%, sensitivity 2σ: 1.9%)
20260120 1.0 Successful 1.509e+11 2.52e+09 1741–5577 m Successful (method err: 7.2%, sensitivity 2σ: 1.7%)
20260119 -1.0 Not a clear night — — — Not a clear night
20260118 -1.0 Not a clear night — — — Not a clear night
20260117 0.5 Partial success 1.526e+11 4.98e+09 1741–4618 m Successful (method err: 0.8%, sensitivity 2σ: 3.3%)
20260116 1.0 Successful 1.256e+11 6.21e+09 2221–5577 m Successful (method err: 13.5%, sensitivity 2σ: 4.9%)
20260115 -1.0 Not a clear night — — — Not a clear night
20260114 -1.0 Not a clear night — — — Not a clear night
20260113 0.5 Partial success 1.51e+11 6.91e+09 4139–5577 m Successful (method err: 1.2%, sensitivity 2σ: 4.6%)
20260112 0.5 Partial success 1.562e+11 3.80e+09 1741–5577 m Successful (method err: 5.3%, sensitivity 2σ: 2.4%)
20260111 1.0 Successful 1.71e+11 4.99e+09 1981–5817 m Successful (method err: 14.0%, sensitivity 2σ: 2.9%)
20260110 1.0 Successful 1.719e+11 4.35e+09 1741–5577 m Successful (method err: 13.7%, sensitivity 2σ: 2.5%)
20260109 1.0 Successful 1.813e+11 4.27e+09 1981–5817 m Successful (method err: 4.5%, sensitivity 2σ: 2.4%)
20260108 0.5 Partial success 1.889e+11 5.20e+09 1981–5817 m Successful (method err: 9.4%, sensitivity 2σ: 2.8%)
20260107 -3.0 Method disagreement — — — Method disagreement: 16.2%
20260106 1.0 Successful 1.804e+11 9.05e+09 2940–5817 m Successful (method err: 15.0%, sensitivity 2σ: 5.0%)
20260105 -1.0 Not a clear night — — — Not a clear night
20260104 -1.0 Not a clear night — — — Not a clear night
20260103 -1.0 Not a clear night — — — Not a clear night
20260102 1.0 Successful 1.743e+11 5.78e+09 1741–4618 m Successful (method err: 1.3%, sensitivity 2σ: 3.3%)
20260101 0.5 Partial success 1.569e+11 4.58e+09 1981–5817 m Successful (method err: 10.2%, sensitivity 2σ: 2.9%)
20251231 -1.0 Not a clear night — — — Not a clear night
20251230 -1.0 Not a clear night — — — Not a clear night
20251229 -1.0 Not a clear night — — — Not a clear night
20251228 -1.0 Not a clear night — — — Not a clear night
20251227 -1.0 Not a clear night — — — Not a clear night
20251226 -1.0 Not a clear night — — — Not a clear night
20251225 -1.0 Not a clear night — — — Not a clear night
20251224 0.5 Partial success 1.633e+11 5.71e+09 1741–5577 m Successful (method err: 0.5%, sensitivity 2σ: 3.5%)
20251223 -1.0 Not a clear night — — — Not a clear night
20251222 -1.0 Not a clear night — — — Not a clear night
20251221 -1.0 Not a clear night — — — Not a clear night
20251220 -1.0 Not a clear night — — — Not a clear night
20251219 -1.0 Not a clear night — — — Not a clear night
20251218 -1.0 Not a clear night — — — Not a clear night
20251217 -1.0 Not a clear night — — — Not a clear night
20251216 -1.0 Not a clear night — — — Not a clear night
20251215 -1.0 Not a clear night — — — Not a clear night
20251214 0.5 Partial success 1.452e+11 7.69e+09 1981–4379 m Successful (method err: 14.6%, sensitivity 2σ: 5.3%)
20251213 -1.0 Not a clear night — — — Not a clear night
20251212 1.0 Successful 1.71e+11 4.81e+09 1981–5817 m Successful (method err: 13.2%, sensitivity 2σ: 2.8%)
20251211 1.0 Successful 1.755e+11 6.43e+09 2221–6057 m Successful (method err: 13.8%, sensitivity 2σ: 3.7%)
20251210 -1.0 Not a clear night — — — Not a clear night
20251209 -1.0 Not a clear night — — — Not a clear night
20251208 -1.0 Not a clear night — — — Not a clear night
20251207 -1.0 Not a clear night — — — Not a clear night
20251206 0.5 Partial success 1.615e+11 4.89e+09 1741–5577 m Successful (method err: 5.4%, sensitivity 2σ: 3.0%)
20251205 -1.0 Not a clear night — — — Not a clear night
20251204 -1.0 Not a clear night — — — Not a clear night
20251203 -1.0 Not a clear night — — — Not a clear night
20251202 1.0 Successful 1.883e+11 8.60e+09 2221–6057 m Successful (method err: 0.4%, sensitivity 2σ: 4.6%)
20251201 -1.0 Not a clear night — — — Not a clear night
20251130 -1.0 Not a clear night — — — Not a clear night
20251129 -1.0 Not a clear night — — — Not a clear night
20251128 -1.0 Not a clear night — — — Not a clear night
20251127 -1.0 Not a clear night — — — Not a clear night
20251126 -1.0 Not a clear night — — — Not a clear night
20251125 -1.0 Not a clear night — — — Not a clear night
20251124 1.0 Successful 1.724e+11 2.32e+09 1741–5577 m Successful (method err: 4.6%, sensitivity 2σ: 1.3%)
20251123 0.5 Partial success 1.785e+11 3.94e+09 2700–6536 m Successful (method err: 11.8%, sensitivity 2σ: 2.2%)
20251122 1.0 Successful 1.712e+11 8.80e+09 2940–6776 m Successful (method err: 6.9%, sensitivity 2σ: 5.1%)
20251121 -1.0 Not a clear night — — — Not a clear night
20251120 -1.0 Not a clear night — — — Not a clear night
20251119 -1.0 Not a clear night — — — Not a clear night
20251118 -1.0 Not a clear night — — — Not a clear night
20251117 -1.0 Not a clear night — — — Not a clear night
20251116 -1.0 Not a clear night — — — Not a clear night
20251115 -1.0 Not a clear night — — — Not a clear night
20251114 -1.0 Not a clear night — — — Not a clear night
20251113 -1.0 Not a clear night — — — Not a clear night
20251112 -1.0 Not a clear night — — — Not a clear night
20251111 -1.0 Not a clear night — — — Not a clear night
20251110 -1.0 Not a clear night — — — Not a clear night
20251109 -1.0 Not a clear night — — — Not a clear night
20251108 -1.0 Not a clear night — — — Not a clear night
20251107 -1.0 Not a clear night — — — Not a clear night
20251106 -1.0 Not a clear night — — — Not a clear night
20251105 -1.0 Not a clear night — — — Not a clear night
20251104 -1.0 Not a clear night — — — Not a clear night
20251103 -1.0 Not a clear night — — — Not a clear night
20251102 0.5 Partial success 1.728e+11 2.35e+09 1741–5577 m Successful (method err: 6.6%, sensitivity 2σ: 1.4%)
20251101 -1.0 Not a clear night — — — Not a clear night
20251031 -1.0 Not a clear night — — — Not a clear night
20251030 -1.0 Not a clear night — — — Not a clear night
20251029 -1.0 Not a clear night — — — Not a clear night
20251028 -1.0 Not a clear night — — — Not a clear night
20251027 -1.0 Not a clear night — — — Not a clear night
20251026 -1.0 Not a clear night — — — Not a clear night
20251025 -1.0 Not a clear night — — — Not a clear night
20251024 -1.0 Not a clear night — — — Not a clear night
20251023 -1.0 Not a clear night — — — Not a clear night
20251022 0.5 Partial success 1.676e+11 3.36e+09 1741–5577 m Successful (method err: 7.2%, sensitivity 2σ: 2.0%)
20251021 -1.0 Not a clear night — — — Not a clear night
20251020 -1.0 Not a clear night — — — Not a clear night
20251019 -1.0 Not a clear night — — — Not a clear night
20251018 -1.0 Not a clear night — — — Not a clear night
20251017 -1.0 Not a clear night — — — Not a clear night
20251016 -1.0 Not a clear night — — — Not a clear night
20251015 -1.0 Not a clear night — — — Not a clear night
20251014 -1.0 Not a clear night — — — Not a clear night
20251013 -1.0 Not a clear night — — — Not a clear night
20251012 -1.0 Not a clear night — — — Not a clear night
20251011 -1.0 Not a clear night — — — Not a clear night
20251010 -1.0 Not a clear night — — — Not a clear night
20251009 -1.0 Not a clear night — — — Not a clear night
20251008 -1.0 Not a clear night — — — Not a clear night
20251007 1.0 Successful 1.707e+11 7.89e+09 1741–5577 m Successful (method err: 9.9%, sensitivity 2σ: 4.6%)
20251006 -1.0 Not a clear night — — — Not a clear night
20251005 0.5 Partial success 1.874e+11 4.65e+09 1741–5577 m Successful (method err: 6.3%, sensitivity 2σ: 2.5%)
20251004 0.5 Partial success 1.867e+11 4.09e+09 1981–5817 m Successful (method err: 2.5%, sensitivity 2σ: 2.2%)
20251003 -1.0 Not a clear night — — — Not a clear night
20251002 0.5 Partial success 1.933e+11 3.20e+09 1981–5817 m Successful (method err: 2.9%, sensitivity 2σ: 1.7%)
20251001 -1.0 Not a clear night — — — Not a clear night
20250930 -1.0 Not a clear night — — — Not a clear night
20250929 -1.0 Not a clear night — — — Not a clear night
20250928 0.5 Partial success 1.908e+11 5.07e+09 1741–5577 m Successful (method err: 13.2%, sensitivity 2σ: 2.7%)
20250927 -1.0 Not a clear night — — — Not a clear night
20250926 -1.0 Not a clear night — — — Not a clear night
20250925 -1.0 Not a clear night — — — Not a clear night
20250924 -1.0 Not a clear night — — — Not a clear night
20250923 -1.0 Not a clear night — — — Not a clear night
20250922 -1.0 Not a clear night — — — Not a clear night
20250921 -1.0 Not a clear night — — — Not a clear night
20250920 -1.0 Not a clear night — — — Not a clear night
20250919 -1.0 Not a clear night — — — Not a clear night
20250918 -1.0 Not a clear night — — — Not a clear night
20250917 -1.0 Not a clear night — — — Not a clear night
20250916 -1.0 Not a clear night — — — Not a clear night
20250915 0.5 Partial success 2.041e+11 5.57e+09 2221–5577 m Successful (method err: 0.2%, sensitivity 2σ: 2.7%)
20250914 -1.0 Not a clear night — — — Not a clear night
20250913 1.0 Successful 2.324e+11 6.97e+09 1741–5098 m Successful (method err: 7.6%, sensitivity 2σ: 3.0%)
20250912 -1.0 Not a clear night — — — Not a clear night
20250911 1.0 Successful 2.293e+11 1.22e+10 2940–6776 m Successful (method err: 11.6%, sensitivity 2σ: 5.3%)
20250910 -1.0 Not a clear night — — — Not a clear night
20250909 -3.0 Method disagreement — — — Method disagreement: 20.7%
20250908 -1.0 Not a clear night — — — Not a clear night
20250907 1.0 Successful 1.967e+11 6.74e+09 1741–2221 m Successful (method err: 6.0%, sensitivity 2σ: 3.4%)
20250906 -1.0 Not a clear night — — — Not a clear night
20250905 -1.0 Not a clear night — — — Not a clear night
20250904 -1.0 Not a clear night — — — Not a clear night
20250903 -1.0 Not a clear night — — — Not a clear night
20250902 -1.0 Not a clear night — — — Not a clear night
20250901 -1.0 Not a clear night — — — Not a clear night
20250831 -1.0 Not a clear night — — — Not a clear night
20250830 1.0 Successful 1.898e+11 3.96e+09 1981–4858 m Successful (method err: 9.8%, sensitivity 2σ: 2.1%)
20250829 1.0 Successful 2.05e+11 8.24e+09 1741–5577 m Successful (method err: 9.1%, sensitivity 2σ: 4.0%)
20250828 -1.0 Not a clear night — — — Not a clear night
20250827 -1.0 Not a clear night — — — Not a clear night
20250826 -1.0 Not a clear night — — — Not a clear night
20250825 -1.0 Not a clear night — — — Not a clear night
20250824 0.0 No data — — — No profiles in nighttime window
20250823 0.0 No data — — — No profiles in nighttime window
20250822 0.0 No data — — — No profiles in nighttime window
20250821 0.0 No data — — — No profiles in nighttime window
20250820 0.0 No data — — — No profiles in nighttime window
20250819 0.0 No data — — — No profiles in nighttime window
20250818 0.0 No data — — — No profiles in nighttime window
20250817 0.0 No data — — — No profiles in nighttime window
20250816 0.0 No data — — — No profiles in nighttime window
20250815 0.0 No data — — — No profiles in nighttime window
20250814 0.0 No data — — — No profiles in nighttime window
20250813 0.0 No data — — — No profiles in nighttime window
20250812 0.0 No data — — — No profiles in nighttime window
20250811 0.0 No data — — — No profiles in nighttime window
20250810 0.0 No data — — — No profiles in nighttime window
20250809 0.0 No data — — — No profiles in nighttime window
20250808 0.0 No data — — — No profiles in nighttime window
20250807 0.0 No data — — — No profiles in nighttime window
20250806 0.0 No data — — — No profiles in nighttime window
20250805 0.0 No data — — — No profiles in nighttime window
20250804 0.0 No data — — — No profiles in nighttime window
20250803 0.0 No data — — — No profiles in nighttime window
20250802 0.0 No data — — — No profiles in nighttime window
20250801 0.0 No data — — — No profiles in nighttime window
20250731 0.0 No data — — — No profiles in nighttime window
20250730 0.0 No data — — — No profiles in nighttime window
20250729 0.0 No data — — — No profiles in nighttime window
20250728 0.0 No data — — — No profiles in nighttime window
20250727 0.0 No data — — — No profiles in nighttime window
20250726 0.0 No data — — — No profiles in nighttime window
20250725 0.0 No data — — — No profiles in nighttime window
20250724 0.0 No data — — — No profiles in nighttime window
20250723 0.0 No data — — — No profiles in nighttime window
20250722 0.0 No data — — — No profiles in nighttime window
20250721 0.0 No data — — — No profiles in nighttime window
20250720 0.0 No data — — — No profiles in nighttime window
20250719 0.0 No data — — — No profiles in nighttime window
20250718 0.0 No data — — — No profiles in nighttime window
20250717 0.0 No data — — — No profiles in nighttime window
20250716 0.0 No data — — — No profiles in nighttime window
20250715 0.0 No data — — — No profiles in nighttime window
20250714 0.0 No data — — — No profiles in nighttime window
20250713 0.0 No data — — — No profiles in nighttime window
20250712 0.0 No data — — — No profiles in nighttime window
20250711 0.0 No data — — — No profiles in nighttime window
20250710 0.0 No data — — — No profiles in nighttime window
20250709 0.0 No data — — — No profiles in nighttime window
20250708 0.0 No data — — — No profiles in nighttime window
20250707 0.0 No data — — — No profiles in nighttime window
20250706 0.0 No data — — — No profiles in nighttime window
20250705 0.0 No data — — — No profiles in nighttime window
20250704 0.0 No data — — — No profiles in nighttime window
20250703 0.0 No data — — — No profiles in nighttime window
20250702 0.0 No data — — — No profiles in nighttime window
20250701 0.0 No data — — — No profiles in nighttime window
20250630 0.0 No data — — — No profiles in nighttime window
20250629 0.0 No data — — — No profiles in nighttime window
20250628 0.0 No data — — — No profiles in nighttime window
20250627 0.0 No data — — — No profiles in nighttime window
20250626 0.0 No data — — — No profiles in nighttime window
20250625 0.0 No data — — — No profiles in nighttime window
20250624 0.0 No data — — — No profiles in nighttime window
20250623 0.0 No data — — — No profiles in nighttime window
20250622 0.0 No data — — — No profiles in nighttime window
20250621 0.0 No data — — — No profiles in nighttime window
20250620 0.0 No data — — — No profiles in nighttime window
20250619 0.0 No data — — — No profiles in nighttime window
20250618 0.0 No data — — — No profiles in nighttime window
20250617 0.0 No data — — — No profiles in nighttime window
20250616 0.0 No data — — — No profiles in nighttime window
20250615 0.0 No data — — — No profiles in nighttime window
20250614 0.0 No data — — — No profiles in nighttime window
20250613 0.0 No data — — — No profiles in nighttime window
20250612 0.0 No data — — — No profiles in nighttime window
20250611 0.0 No data — — — No profiles in nighttime window
20250610 0.0 No data — — — No profiles in nighttime window
20250609 0.0 No data — — — No profiles in nighttime window
20250608 0.0 No data — — — No profiles in nighttime window
20250607 0.0 No data — — — No profiles in nighttime window
20250606 0.0 No data — — — No profiles in nighttime window
20250605 0.0 No data — — — No profiles in nighttime window
20250604 0.0 No data — — — No profiles in nighttime window
20250603 0.0 No data — — — No profiles in nighttime window
20250602 0.0 No data — — — No profiles in nighttime window
20250601 0.0 No data — — — No profiles in nighttime window
20250531 0.0 No data — — — No profiles in nighttime window
20250530 0.0 No data — — — No profiles in nighttime window
20250529 0.0 No data — — — No profiles in nighttime window
20250528 0.0 No data — — — No profiles in nighttime window
20250527 0.0 No data — — — No profiles in nighttime window
20250526 0.0 No data — — — No profiles in nighttime window
20250525 0.0 No data — — — No profiles in nighttime window
20250524 0.0 No data — — — No profiles in nighttime window
20250523 0.0 No data — — — No profiles in nighttime window
20250522 0.0 No data — — — No profiles in nighttime window
20250521 0.0 No data — — — No profiles in nighttime window
20250520 0.0 No data — — — No profiles in nighttime window
20250519 0.0 No data — — — No profiles in nighttime window
20250518 0.0 No data — — — No profiles in nighttime window
20250517 0.0 No data — — — No profiles in nighttime window
20250516 0.0 No data — — — No profiles in nighttime window
20250515 0.0 No data — — — No profiles in nighttime window
20250514 0.0 No data — — — No profiles in nighttime window
20250513 0.0 No data — — — No profiles in nighttime window
20250512 0.0 No data — — — No profiles in nighttime window
20250511 0.0 No data — — — No profiles in nighttime window
20250510 0.0 No data — — — No profiles in nighttime window
20250509 0.0 No data — — — No profiles in nighttime window
20250508 0.0 No data — — — No profiles in nighttime window
20250507 0.0 No data — — — No profiles in nighttime window
20250506 0.0 No data — — — No profiles in nighttime window
20250505 0.0 No data — — — No profiles in nighttime window
20250504 0.0 No data — — — No profiles in nighttime window
20250503 0.0 No data — — — No profiles in nighttime window
20250502 0.0 No data — — — No profiles in nighttime window
20250501 0.0 No data — — — No profiles in nighttime window
20250430 0.0 No data — — — No profiles in nighttime window
20250429 0.0 No data — — — No profiles in nighttime window
20250428 0.0 No data — — — No profiles in nighttime window
20250427 0.0 No data — — — No profiles in nighttime window
20250426 0.0 No data — — — No profiles in nighttime window
20250425 0.0 No data — — — No profiles in nighttime window
20250424 0.0 No data — — — No profiles in nighttime window
20250423 0.0 No data — — — No profiles in nighttime window
20250422 0.0 No data — — — No profiles in nighttime window
20250421 0.0 No data — — — No profiles in nighttime window
20250420 0.0 No data — — — No profiles in nighttime window
20250419 0.0 No data — — — No profiles in nighttime window
20250418 -1.0 Not a clear night — — — Not a clear night
20250417 -1.0 Not a clear night — — — Not a clear night
20250416 -1.0 Not a clear night — — — Not a clear night
20250415 -1.0 Not a clear night — — — Not a clear night
20250414 -1.0 Not a clear night — — — Not a clear night
20250413 -1.0 Not a clear night — — — Not a clear night
20250412 -1.0 Not a clear night — — — Not a clear night
20250411 -1.0 Not a clear night — — — Not a clear night
20250410 -1.0 Not a clear night — — — Not a clear night
20250409 -1.0 Not a clear night — — — Not a clear night
20250408 -1.0 Not a clear night — — — Not a clear night
20250407 -1.0 Not a clear night — — — Not a clear night
20250406 -1.0 Not a clear night — — — Not a clear night
20250405 -1.0 Not a clear night — — — Not a clear night
20250404 -1.0 Not a clear night — — — Not a clear night
20250403 -1.0 Not a clear night — — — Not a clear night
20250402 -1.0 Not a clear night — — — Not a clear night
20250401 -1.0 Not a clear night — — — Not a clear night
20250331 -1.0 Not a clear night — — — Not a clear night
20250330 1.0 Successful 2.061e+11 4.32e+10 4139–7016 m Successful (method err: 6.3%, sensitivity 2σ: 21.0%)
20250329 -1.0 Not a clear night — — — Not a clear night
20250328 -1.0 Not a clear night — — — Not a clear night
20250327 -1.0 Not a clear night — — — Not a clear night
20250326 -1.0 Not a clear night — — — Not a clear night
20250325 -1.0 Not a clear night — — — Not a clear night
20250324 1.0 Successful 1.905e+11 1.40e+10 2940–6776 m Successful (method err: 13.1%, sensitivity 2σ: 7.3%)
20250323 0.5 Partial success 1.558e+11 1.01e+10 3659–6057 m Successful (method err: 10.9%, sensitivity 2σ: 6.5%)
20250322 -1.0 Not a clear night — — — Not a clear night
20250321 -1.0 Not a clear night — — — Not a clear night
20250320 -1.0 Not a clear night — — — Not a clear night
20250319 -1.0 Not a clear night — — — Not a clear night
20250318 -1.0 Not a clear night — — — Not a clear night
20250317 -1.0 Not a clear night — — — Not a clear night
20250316 -1.0 Not a clear night — — — Not a clear night
20250315 -1.0 Not a clear night — — — Not a clear night
20250314 -1.0 Not a clear night — — — Not a clear night
20250313 -1.0 Not a clear night — — — Not a clear night
20250312 1.0 Successful 1.908e+11 8.71e+09 2221–5098 m Successful (method err: 10.4%, sensitivity 2σ: 4.6%)
20250311 -1.0 Not a clear night — — — Not a clear night
20250310 -1.0 Not a clear night — — — Not a clear night
20250309 -1.0 Not a clear night — — — Not a clear night
20250308 -1.0 Not a clear night — — — Not a clear night
20250307 -1.0 Not a clear night — — — Not a clear night
20250306 -1.0 Not a clear night — — — Not a clear night
20250305 -1.0 Not a clear night — — — Not a clear night
20250304 -1.0 Not a clear night — — — Not a clear night
20250303 -1.0 Not a clear night — — — Not a clear night
20250302 -1.0 Not a clear night — — — Not a clear night
20250301 -1.0 Not a clear night — — — Not a clear night
20250228 -1.0 Not a clear night — — — Not a clear night
20250227 -1.0 Not a clear night — — — Not a clear night
20250226 -1.0 Not a clear night — — — Not a clear night
20250225 -1.0 Not a clear night — — — Not a clear night
20250224 -1.0 Not a clear night — — — Not a clear night
20250223 -1.0 Not a clear night — — — Not a clear night
20250222 -1.0 Not a clear night — — — Not a clear night
20250221 -1.0 Not a clear night — — — Not a clear night
20250220 -1.0 Not a clear night — — — Not a clear night
20250219 -1.0 Not a clear night — — — Not a clear night
20250218 -1.0 Not a clear night — — — Not a clear night
20250217 -1.0 Not a clear night — — — Not a clear night
20250216 -1.0 Not a clear night — — — Not a clear night
20250215 -1.0 Not a clear night — — — Not a clear night
20250214 -1.0 Not a clear night — — — Not a clear night
20250213 -1.0 Not a clear night — — — Not a clear night
20250212 -1.0 Not a clear night — — — Not a clear night
20250211 -1.0 Not a clear night — — — Not a clear night
20250210 -1.0 Not a clear night — — — Not a clear night
20250209 1.0 Successful 2.32e+11 2.73e+10 1981–2461 m Successful (method err: 4.2%, sensitivity 2σ: 11.7%)
20250208 -1.0 Not a clear night — — — Not a clear night
20250207 -1.0 Not a clear night — — — Not a clear night
20250206 -1.0 Not a clear night — — — Not a clear night
20250205 -1.0 Not a clear night — — — Not a clear night
20250204 0.5 Partial success 1.627e+11 6.99e+09 1981–5817 m Successful (method err: 10.1%, sensitivity 2σ: 4.3%)
20250203 1.0 Successful 1.556e+11 4.27e+09 1741–5577 m Successful (method err: 9.2%, sensitivity 2σ: 2.7%)
20250202 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250201 -1.0 Not a clear night — — — Not a clear night
20250131 -1.0 Not a clear night — — — Not a clear night
20250130 0.5 Partial success 1.521e+11 4.27e+09 1741–5577 m Successful (method err: 6.5%, sensitivity 2σ: 2.8%)
20250129 -1.0 Not a clear night — — — Not a clear night
20250128 -1.0 Not a clear night — — — Not a clear night
20250127 -3.0 Method disagreement — — — Method disagreement: 15.7%
20250126 -1.0 Not a clear night — — — Not a clear night
20250125 1.0 Successful 1.646e+11 2.70e+09 1741–5577 m Successful (method err: 10.6%, sensitivity 2σ: 1.6%)
20250124 -1.0 Not a clear night — — — Not a clear night
20250123 -1.0 Not a clear night — — — Not a clear night
20250122 0.5 Partial success 1.693e+11 5.80e+09 2700–5577 m Successful (method err: 13.5%, sensitivity 2σ: 3.4%)
20250121 0.5 Partial success 1.762e+11 4.99e+09 1981–5817 m Successful (method err: 8.1%, sensitivity 2σ: 2.8%)
20250120 -1.0 Not a clear night — — — Not a clear night
20250119 -1.0 Not a clear night — — — Not a clear night
20250118 -1.0 Not a clear night — — — Not a clear night
20250117 -1.0 Not a clear night — — — Not a clear night
20250116 -1.0 Not a clear night — — — Not a clear night
20250115 -1.0 Not a clear night — — — Not a clear night
20250114 -1.0 Not a clear night — — — Not a clear night
20250113 -1.0 Not a clear night — — — Not a clear night
20250112 -1.0 Not a clear night — — — Not a clear night
20250111 -1.0 Not a clear night — — — Not a clear night
20250110 -1.0 Not a clear night — — — Not a clear night
20250109 0.0 No data — — — No profiles in nighttime window
20250107 1.0 Successful 1.761e+11 4.24e+09 1981–5817 m Successful (method err: 10.5%, sensitivity 2σ: 2.4%)
20250106 -1.0 Not a clear night — — — Not a clear night
20250105 1.0 Successful 1.766e+11 3.89e+09 1741–5577 m Successful (method err: 7.7%, sensitivity 2σ: 2.2%)
20250104 -1.0 Not a clear night — — — Not a clear night
20250103 -1.0 Not a clear night — — — Not a clear night
20250102 -1.0 Not a clear night — — — Not a clear night
20250101 -1.0 Not a clear night — — — Not a clear night

Instrument monitoring — daily averages: laser power, window transmission, temperatures

Observation − Background (CAMS) — calibrated backscatter vs CAMS model over the selected window

Observation minus background (CAMS) diagnostic

Cloudnet target classification — 70 days · aerosol / cloud / drizzle / ice / supercooled (ceiloclass, driven by CAMS T)

Classification — latest — Ctrl+← → step days, or click a day in the calendar

target classification curtain

Instrument sensitivity / detection limit — ICAO detection altitude & nighttime noise floor

Instrument sensitivity / detection limit diagnostic