E-PROFILE
STORNOWAY CHM15k Rayleigh
0-20000-0-03018_A · UK · 58.222, -6.182 · 82 m
23 d stale
Median C_L 1.901e+11
Spread 44%
Drift 15 d +4.2%
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)
1.901e+11
68 calibrated nights
SPREAD (P10-P90)
44%
1.558e+11 … 2.399e+11
15-DAY DRIFT
+4.2%
vs the preceding 45 d
LAST VALID
23 d ago
2026-09-29

Rayleigh — calibration constant over time 10% success · 68/658 · median 1.901e+11

Daily calibration

Time–height & profile

Rayleigh 10% success · 68/658 · median 1.901e+11 · rel. unc 5% · click a point to open that night

All Rayleigh calibrations (658) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
20261022 -1.0 Not a clear night — — — Not a clear night
20261021 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
20261012 -1.0 Not a clear night — — — Not a clear night
20261011 -1.0 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
20261001 -3.0 Method disagreement — — — Method disagreement: 16.4%
20260930 -1.0 Not a clear night — — — Not a clear night
20260929 0.5 Partial success 1.958e+11 7.90e+09 2060–5417 m Successful (method err: 3.3%, sensitivity 2σ: 4.0%)
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 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.917e+11 1.33e+10 2779–6615 m Successful (method err: 9.9%, sensitivity 2σ: 6.9%)
20260827 -1.0 Not a clear night — — — Not a clear night
20260826 -1.0 Not a clear night — — — Not a clear night
20260825 0.5 Partial success 1.88e+11 1.05e+10 3978–4937 m Successful (method err: 2.7%, sensitivity 2σ: 5.6%)
20260824 0.5 Partial success 1.75e+11 1.03e+10 3738–5656 m Successful (method err: 11.8%, sensitivity 2σ: 5.9%)
20260823 -1.0 Not a clear night — — — Not a clear night
20260822 -1.0 Not a clear night — — — Not a clear night
20260821 -1.0 Not a clear night — — — Not a clear night
20260820 -1.0 Not a clear night — — — Not a clear night
20260819 -1.0 Not a clear night — — — Not a clear night
20260818 -1.0 Not a clear night — — — Not a clear night
20260817 -1.0 Not a clear night — — — Not a clear night
20260816 -1.0 Not a clear night — — — Not a clear night
20260815 -1.0 Not a clear night — — — Not a clear night
20260814 -1.0 Not a clear night — — — Not a clear night
20260813 -1.0 Not a clear night — — — Not a clear night
20260812 -1.0 Not a clear night — — — Not a clear night
20260811 -1.0 Not a clear night — — — Not a clear night
20260810 -1.0 Not a clear night — — — Not a clear night
20260809 -1.0 Not a clear night — — — Not a clear night
20260808 -1.0 Not a clear night — — — Not a clear night
20260807 -1.0 Not a clear night — — — Not a clear night
20260806 -1.0 Not a clear night — — — Not a clear night
20260805 -1.0 Not a clear night — — — Not a clear night
20260804 -1.0 Not a clear night — — — Not a clear night
20260803 -1.0 Not a clear night — — — Not a clear night
20260802 1.0 Successful 1.88e+11 6.39e+09 1820–4218 m Successful (method err: 0.7%, sensitivity 2σ: 3.4%)
20260801 -1.0 Not a clear night — — — Not a clear night
20260731 -1.0 Not a clear night — — — Not a clear night
20260730 -1.0 Not a clear night — — — Not a clear night
20260729 -1.0 Not a clear night — — — Not a clear night
20260728 -1.0 Not a clear night — — — Not a clear night
20260727 -1.0 Not a clear night — — — Not a clear night
20260726 -1.0 Not a clear night — — — Not a clear night
20260725 -1.0 Not a clear night — — — Not a clear night
20260724 -1.0 Not a clear night — — — Not a clear night
20260723 -1.0 Not a clear night — — — Not a clear night
20260722 -1.0 Not a clear night — — — Not a clear night
20260721 -1.0 Not a clear night — — — Not a clear night
20260720 -1.0 Not a clear night — — — Not a clear night
20260719 -1.0 Not a clear night — — — Not a clear night
20260718 -1.0 Not a clear night — — — Not a clear night
20260717 -1.0 Not a clear night — — — Not a clear night
20260716 1.0 Successful 2.152e+11 4.74e+10 4458–7335 m Successful (method err: 6.1%, sensitivity 2σ: 22.0%)
20260715 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20260714 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
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 -1.0 Not a clear night — — — Not a clear night
20260529 -1.0 Not a clear night — — — Not a clear night
20260528 1.0 Successful 2.264e+11 1.69e+10 3499–7335 m Successful (method err: 9.2%, sensitivity 2σ: 7.5%)
20260527 -1.0 Not a clear night — — — Not a clear night
20260526 -1.0 Not a clear night — — — Not a clear night
20260525 -1.0 Not a clear night — — — Not a clear night
20260524 -1.0 Not a clear night — — — Not a clear night
20260523 -1.0 Not a clear night — — — Not a clear night
20260522 -1.0 Not a clear night — — — Not a clear night
20260521 -1.0 Not a clear night — — — Not a clear night
20260520 -1.0 Not a clear night — — — Not a clear night
20260519 -1.0 Not a clear night — — — Not a clear night
20260518 -1.0 Not a clear night — — — Not a clear night
20260517 -1.0 Not a clear night — — — Not a clear night
20260516 -1.0 Not a clear night — — — Not a clear night
20260515 -1.0 Not a clear night — — — Not a clear night
20260514 -1.0 Not a clear night — — — Not a clear night
20260513 -1.0 Not a clear night — — — Not a clear night
20260512 -1.0 Not a clear night — — — Not a clear night
20260511 -1.0 Not a clear night — — — Not a clear night
20260510 -1.0 Not a clear night — — — Not a clear night
20260509 -1.0 Not a clear night — — — Not a clear night
20260508 -1.0 Not a clear night — — — Not a clear night
20260507 -1.0 Not a clear night — — — Not a clear night
20260506 -1.0 Not a clear night — — — Not a clear night
20260505 -1.0 Not a clear night — — — Not a clear night
20260504 -1.0 Not a clear night — — — Not a clear night
20260503 -1.0 Not a clear night — — — Not a clear night
20260502 -1.0 Not a clear night — — — Not a clear night
20260501 -1.0 Not a clear night — — — Not a clear night
20260430 -1.0 Not a clear night — — — Not a clear night
20260429 -1.0 Not a clear night — — — Not a clear night
20260428 -1.0 Not a clear night — — — Not a clear night
20260427 -1.0 Not a clear night — — — Not a clear night
20260426 -1.0 Not a clear night — — — Not a clear night
20260425 0.5 Partial success 1.821e+11 1.13e+10 3738–4218 m Successful (method err: 2.7%, sensitivity 2σ: 6.2%)
20260424 0.5 Partial success 1.824e+11 9.28e+09 3019–6855 m Successful (method err: 13.8%, sensitivity 2σ: 5.1%)
20260423 0.5 Partial success 1.657e+11 4.53e+09 1820–3738 m Successful (method err: 0.4%, sensitivity 2σ: 2.7%)
20260422 -1.0 Not a clear night — — — Not a clear night
20260421 -1.0 Not a clear night — — — Not a clear night
20260420 -1.0 Not a clear night — — — Not a clear night
20260419 -1.0 Not a clear night — — — Not a clear night
20260418 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
20260412 -1.0 Not a clear night — — — Not a clear night
20260411 -1.0 Not a clear night — — — Not a clear night
20260410 -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 0.5 Partial success 1.813e+11 1.68e+10 2060–5896 m Successful (method err: 10.8%, sensitivity 2σ: 9.3%)
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 0.5 Partial success 1.531e+11 4.50e+09 1820–5656 m Successful (method err: 3.6%, sensitivity 2σ: 2.9%)
20260319 0.5 Partial success 1.534e+11 1.19e+10 1820–5656 m Successful (method err: 8.9%, sensitivity 2σ: 7.8%)
20260318 -1.0 Not a clear night — — — Not a clear night
20260317 -1.0 Not a clear night — — — Not a clear night
20260316 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.493e+11 1.21e+10 3499–4937 m Successful (method err: 6.5%, sensitivity 2σ: 8.1%)
20260305 -1.0 Not a clear night — — — Not a clear night
20260304 0.5 Partial success 2.028e+11 1.08e+10 1820–5177 m Successful (method err: 1.8%, sensitivity 2σ: 5.3%)
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 Successful 1.579e+11 1.10e+10 2060–5896 m Successful (method err: 13.7%, sensitivity 2σ: 6.9%)
20260227 -1.0 Not a clear night — — — Not a clear night
20260226 -1.0 Not a clear night — — — Not a clear night
20260225 -1.0 Not a clear night — — — Not a clear night
20260224 -1.0 Not a clear night — — — Not a clear night
20260223 -1.0 Not a clear night — — — Not a clear night
20260222 -1.0 Not a clear night — — — Not a clear night
20260221 -1.0 Not a clear night — — — Not a clear night
20260220 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.694e+11 6.86e+09 2060–5896 m Successful (method err: 4.1%, sensitivity 2σ: 4.1%)
20260213 -1.0 Not a clear night — — — Not a clear night
20260212 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
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 Successful 1.559e+11 5.72e+09 1820–5656 m Successful (method err: 5.2%, sensitivity 2σ: 3.7%)
20260201 -1.0 Not a clear night — — — Not a clear night
20260131 -1.0 Not a clear night — — — Not a clear night
20260130 0.5 Partial success 1.49e+11 6.33e+09 1820–5177 m Successful (method err: 12.2%, sensitivity 2σ: 4.2%)
20260129 0.5 Partial success 1.589e+11 1.07e+10 2300–6136 m Successful (method err: 11.4%, sensitivity 2σ: 6.7%)
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 -1.0 Not a clear night — — — Not a clear night
20260123 -1.0 Not a clear night — — — Not a clear night
20260122 -1.0 Not a clear night — — — Not a clear night
20260121 -1.0 Not a clear night — — — Not a clear night
20260120 -1.0 Not a clear night — — — Not a clear night
20260119 -1.0 Not a clear night — — — Not a clear night
20260118 -1.0 Not a clear night — — — Not a clear night
20260117 -1.0 Not a clear night — — — Not a clear night
20260116 -1.0 Not a clear night — — — Not a clear night
20260115 -1.0 Not a clear night — — — Not a clear night
20260114 -1.0 Not a clear night — — — Not a clear night
20260113 -1.0 Not a clear night — — — Not a clear night
20260112 -1.0 Not a clear night — — — Not a clear night
20260111 -1.0 Not a clear night — — — Not a clear night
20260110 -1.0 Not a clear night — — — Not a clear night
20260109 -1.0 Not a clear night — — — Not a clear night
20260108 -1.0 Not a clear night — — — Not a clear night
20260107 -1.0 Not a clear night — — — Not a clear night
20260106 -1.0 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
20260101 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.555e+11 1.44e+10 1820–5656 m Successful (method err: 9.4%, sensitivity 2σ: 9.3%)
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 1.467e+11 8.34e+09 2300–5656 m Successful (method err: 8.4%, sensitivity 2σ: 5.7%)
20251223 -1.0 Not a clear night — — — Not a clear night
20251222 0.5 Partial success 1.834e+11 4.70e+09 1820–4218 m Successful (method err: 1.7%, sensitivity 2σ: 2.6%)
20251221 0.5 Partial success 1.617e+11 4.05e+09 1820–5656 m Successful (method err: 4.3%, sensitivity 2σ: 2.5%)
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 Successful 1.861e+11 1.75e+10 2779–6615 m Successful (method err: 5.0%, sensitivity 2σ: 9.4%)
20251215 -1.0 Not a clear night — — — Not a clear night
20251214 -1.0 Not a clear night — — — Not a clear night
20251213 -1.0 Not a clear night — — — Not a clear night
20251212 -1.0 Not a clear night — — — Not a clear night
20251211 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
20251201 -1.0 Not a clear night — — — Not a clear night
20251130 1.0 Successful 1.47e+11 1.01e+10 2060–5896 m Successful (method err: 11.4%, sensitivity 2σ: 6.9%)
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 Not a clear night — — — Not a clear night
20251123 0.5 Partial success 1.814e+11 7.92e+09 1820–5177 m Successful (method err: 5.8%, sensitivity 2σ: 4.4%)
20251122 -1.0 Not a clear night — — — Not a clear night
20251121 0.5 Partial success 1.877e+11 5.65e+09 2060–5896 m Successful (method err: 10.9%, sensitivity 2σ: 3.0%)
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 0.5 Partial success 1.836e+11 1.02e+10 1820–5177 m Successful (method err: 3.2%, sensitivity 2σ: 5.6%)
20251104 -1.0 Not a clear night — — — Not a clear night
20251103 -1.0 Not a clear night — — — Not a clear night
20251102 -1.0 Not a clear night — — — Not a clear night
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 Successful 1.821e+11 1.36e+10 1820–4697 m Successful (method err: 2.2%, sensitivity 2σ: 7.5%)
20251022 -1.0 Not a clear night — — — Not a clear night
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 Successful 1.834e+11 3.22e+09 2300–6136 m Successful (method err: 3.0%, sensitivity 2σ: 1.8%)
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 Not a clear night — — — Not a clear night
20251006 -1.0 Not a clear night — — — Not a clear night
20251005 -1.0 Not a clear night — — — Not a clear night
20251004 -1.0 Not a clear night — — — Not a clear night
20251003 -1.0 Not a clear night — — — Not a clear night
20251002 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
20250927 0.5 Partial success 2.166e+11 1.25e+10 3499–6855 m Successful (method err: 12.0%, sensitivity 2σ: 5.8%)
20250926 0.5 Partial success 2.189e+11 8.99e+09 2779–6615 m Successful (method err: 4.3%, sensitivity 2σ: 4.1%)
20250925 -1.0 Not a clear night — — — Not a clear night
20250924 1.0 Successful 2.155e+11 8.25e+09 1820–5656 m Successful (method err: 1.4%, sensitivity 2σ: 3.8%)
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 0.5 Partial success 2.227e+11 1.29e+10 1820–5656 m Successful (method err: 0.5%, sensitivity 2σ: 5.8%)
20250916 1.0 Successful 1.924e+11 1.68e+10 2060–5896 m Successful (method err: 1.9%, sensitivity 2σ: 8.7%)
20250915 -1.0 Not a clear night — — — Not a clear night
20250914 1.0 Successful 2e+11 5.75e+09 2300–6136 m Successful (method err: 1.8%, sensitivity 2σ: 2.9%)
20250913 -1.0 Not a clear night — — — Not a clear night
20250912 -1.0 Not a clear night — — — Not a clear night
20250911 -1.0 Not a clear night — — — Not a clear night
20250910 -1.0 Not a clear night — — — Not a clear night
20250909 -1.0 Not a clear night — — — Not a clear night
20250908 -1.0 Not a clear night — — — Not a clear night
20250907 -1.0 Not a clear night — — — Not a clear night
20250906 -1.0 Not a clear night — — — Not a clear night
20250905 -1.0 Not a clear night — — — Not a clear night
20250904 0.5 Partial success 2.013e+11 9.53e+09 1820–5656 m Successful (method err: 4.1%, sensitivity 2σ: 4.7%)
20250903 -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 Not a clear night — — — Not a clear night
20250829 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
20250823 -1.0 Not a clear night — — — Not a clear night
20250822 -1.0 Not a clear night — — — Not a clear night
20250821 -1.0 Not a clear night — — — Not a clear night
20250820 -1.0 Not a clear night — — — Not a clear night
20250819 -1.0 Not a clear night — — — Not a clear night
20250818 -1.0 Not a clear night — — — Not a clear night
20250817 -1.0 Not a clear night — — — Not a clear night
20250816 -1.0 Not a clear night — — — Not a clear night
20250815 -1.0 Not a clear night — — — Not a clear night
20250814 -1.0 Not a clear night — — — Not a clear night
20250813 -1.0 Not a clear night — — — Not a clear night
20250812 -1.0 Not a clear night — — — Not a clear night
20250811 -1.0 Not a clear night — — — Not a clear night
20250810 -1.0 Not a clear night — — — Not a clear night
20250809 -1.0 Not a clear night — — — Not a clear night
20250808 -1.0 Not a clear night — — — Not a clear night
20250807 -1.0 Not a clear night — — — Not a clear night
20250806 -1.0 Not a clear night — — — Not a clear night
20250805 -1.0 Not a clear night — — — Not a clear night
20250804 -1.0 Not a clear night — — — Not a clear night
20250803 -1.0 Not a clear night — — — Not a clear night
20250802 -1.0 Not a clear night — — — Not a clear night
20250801 -1.0 Not a clear night — — — Not a clear night
20250731 -1.0 Not a clear night — — — Not a clear night
20250730 -1.0 Not a clear night — — — Not a clear night
20250729 -1.0 Not a clear night — — — Not a clear night
20250728 -1.0 Not a clear night — — — Not a clear night
20250727 -1.0 Not a clear night — — — Not a clear night
20250726 -1.0 Not a clear night — — — Not a clear night
20250725 -1.0 Not a clear night — — — Not a clear night
20250724 -1.0 Not a clear night — — — Not a clear night
20250723 -1.0 Not a clear night — — — Not a clear night
20250722 -1.0 Not a clear night — — — Not a clear night
20250721 -1.0 Not a clear night — — — Not a clear night
20250720 -1.0 Not a clear night — — — Not a clear night
20250719 -1.0 Not a clear night — — — Not a clear night
20250718 -1.0 Not a clear night — — — Not a clear night
20250717 -1.0 Not a clear night — — — Not a clear night
20250716 -1.0 Not a clear night — — — Not a clear night
20250715 -1.0 Not a clear night — — — Not a clear night
20250714 -1.0 Not a clear night — — — Not a clear night
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 -1.0 Not a clear night — — — Not a clear night
20250529 -1.0 Not a clear night — — — Not a clear night
20250528 -1.0 Not a clear night — — — Not a clear night
20250527 -1.0 Not a clear night — — — Not a clear night
20250526 -1.0 Not a clear night — — — Not a clear night
20250525 -1.0 Not a clear night — — — Not a clear night
20250524 -1.0 Not a clear night — — — Not a clear night
20250523 1.0 Successful 2.404e+11 8.21e+09 2300–6136 m Successful (method err: 14.7%, sensitivity 2σ: 3.4%)
20250522 -1.0 Not a clear night — — — Not a clear night
20250521 -1.0 Not a clear night — — — Not a clear night
20250520 1.0 Successful 2.041e+11 1.10e+10 4218–7095 m Successful (method err: 7.6%, sensitivity 2σ: 5.4%)
20250519 -1.0 Not a clear night — — — Not a clear night
20250518 -1.0 Not a clear night — — — Not a clear night
20250517 0.5 Partial success 2.782e+11 5.23e+09 1820–5656 m Successful (method err: 6.7%, sensitivity 2σ: 1.9%)
20250516 0.5 Partial success 2.728e+11 6.38e+09 1820–4697 m Successful (method err: 0.9%, sensitivity 2σ: 2.3%)
20250515 1.0 Successful 2.505e+11 7.37e+09 2060–5417 m Successful (method err: 4.1%, sensitivity 2σ: 2.9%)
20250514 -1.0 Not a clear night — — — Not a clear night
20250513 -1.0 Not a clear night — — — Not a clear night
20250512 -1.0 Not a clear night — — — Not a clear night
20250511 -1.0 Not a clear night — — — Not a clear night
20250510 0.5 Partial success 2.762e+11 7.92e+09 2060–5896 m Successful (method err: 6.7%, sensitivity 2σ: 2.9%)
20250509 1.0 Successful 2.383e+11 8.79e+09 1820–2300 m Successful (method err: 1.6%, sensitivity 2σ: 3.7%)
20250508 -1.0 Not a clear night — — — Not a clear night
20250507 -1.0 Not a clear night — — — Not a clear night
20250506 -1.0 Not a clear night — — — Not a clear night
20250505 -1.0 Not a clear night — — — Not a clear night
20250504 -1.0 Not a clear night — — — Not a clear night
20250503 -1.0 Not a clear night — — — Not a clear night
20250502 -1.0 Not a clear night — — — Not a clear night
20250501 -1.0 Not a clear night — — — Not a clear night
20250430 -1.0 Not a clear night — — — Not a clear night
20250429 -1.0 Not a clear night — — — Not a clear night
20250428 -1.0 Not a clear night — — — Not a clear night
20250427 -1.0 Not a clear night — — — Not a clear night
20250426 -1.0 Not a clear night — — — Not a clear night
20250425 0.5 Partial success 2.366e+11 9.59e+09 2300–6136 m Successful (method err: 5.6%, sensitivity 2σ: 4.1%)
20250424 1.0 Successful 2.284e+11 7.63e+09 3738–7575 m Successful (method err: 3.8%, sensitivity 2σ: 3.3%)
20250423 -1.0 Not a clear night — — — Not a clear night
20250422 -1.0 Not a clear night — — — Not a clear night
20250421 -1.0 Not a clear night — — — Not a clear night
20250420 -1.0 Not a clear night — — — Not a clear night
20250419 -1.0 Not a clear night — — — Not a clear night
20250418 -1.0 Not a clear night — — — Not a clear night
20250417 -1.0 Not a clear night — — — Not a clear night
20250416 0.5 Partial success 2.17e+11 9.17e+09 1820–5656 m Successful (method err: 12.2%, sensitivity 2σ: 4.2%)
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 0.5 Partial success 2.399e+11 1.76e+10 3499–6855 m Successful (method err: 0.2%, sensitivity 2σ: 7.3%)
20250410 0.5 Partial success 1.827e+11 1.07e+10 3738–5177 m Successful (method err: 13.9%, sensitivity 2σ: 5.9%)
20250409 0.5 Partial success 2.33e+11 1.15e+10 3499–7335 m Successful (method err: 8.9%, sensitivity 2σ: 5.0%)
20250408 1.0 Successful 1.966e+11 1.05e+10 5177–6136 m Successful (method err: 2.6%, sensitivity 2σ: 5.4%)
20250407 0.5 Partial success 1.982e+11 9.32e+09 3978–6376 m Successful (method err: 6.3%, sensitivity 2σ: 4.7%)
20250406 1.0 Successful 2.049e+11 1.37e+10 4458–5417 m Successful (method err: 1.7%, sensitivity 2σ: 6.7%)
20250405 1.0 Successful 1.907e+11 1.10e+10 1820–2300 m Successful (method err: 6.3%, sensitivity 2σ: 5.8%)
20250404 0.5 Partial success 1.871e+11 8.32e+09 4218–7095 m Successful (method err: 1.3%, sensitivity 2σ: 4.4%)
20250403 1.0 Successful 2.096e+11 5.23e+09 1820–5656 m Successful (method err: 6.7%, sensitivity 2σ: 2.5%)
20250402 0.5 Partial success 2.399e+11 6.09e+09 3259–6136 m Successful (method err: 10.4%, sensitivity 2σ: 2.5%)
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 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
20250323 -1.0 Not a clear night — — — Not a clear night
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 Successful 1.942e+11 8.00e+09 2060–5896 m Successful (method err: 1.8%, sensitivity 2σ: 4.1%)
20250318 -1.0 Not a clear night — — — Not a clear night
20250317 1.0 Successful 2.458e+11 5.94e+09 1820–5656 m Successful (method err: 1.3%, sensitivity 2σ: 2.4%)
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 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.951e+11 1.65e+10 2060–5896 m Successful (method err: 9.4%, sensitivity 2σ: 8.5%)
20250227 1.0 Successful 1.76e+11 1.36e+10 2060–5896 m Successful (method err: 5.5%, sensitivity 2σ: 7.8%)
20250226 0.5 Partial success 1.781e+11 1.54e+10 2300–5656 m Successful (method err: 6.6%, sensitivity 2σ: 8.6%)
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 -3.0 Method disagreement — — — Method disagreement: 16.4%
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 0.5 Partial success 2.082e+11 7.90e+09 1820–5177 m Successful (method err: 4.7%, sensitivity 2σ: 3.8%)
20250209 1.0 Successful 1.87e+11 5.01e+09 1820–5656 m Successful (method err: 1.5%, sensitivity 2σ: 2.7%)
20250208 1.0 Successful 1.895e+11 4.72e+09 1820–5656 m Successful (method err: 0.6%, sensitivity 2σ: 2.5%)
20250207 0.5 Partial success 1.759e+11 4.67e+09 1820–5656 m Successful (method err: 7.7%, sensitivity 2σ: 2.7%)
20250206 -1.0 Not a clear night — — — Not a clear night
20250205 -1.0 Not a clear night — — — Not a clear night
20250204 -1.0 Not a clear night — — — Not a clear night
20250203 -1.0 Not a clear night — — — Not a clear night
20250202 -1.0 Not a clear night — — — Not a clear night
20250201 -1.0 Not a clear night — — — Not a clear night
20250131 -1.0 Not a clear night — — — Not a clear night
20250130 -1.0 Not a clear night — — — Not a clear night
20250129 -1.0 Not a clear night — — — Not a clear night
20250128 -1.0 Not a clear night — — — Not a clear night
20250127 -1.0 Not a clear night — — — Not a clear night
20250126 -1.0 Not a clear night — — — Not a clear night
20250125 -1.0 Not a clear night — — — Not a clear night
20250124 -1.0 Not a clear night — — — Not a clear night
20250123 -1.0 Not a clear night — — — Not a clear night
20250122 -1.0 Not a clear night — — — Not a clear night
20250121 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.76e+11 5.41e+09 2060–5896 m Successful (method err: 10.9%, sensitivity 2σ: 3.1%)
20250110 -1.0 Not a clear night — — — Not a clear night
20250109 -1.0 Not a clear night — — — Not a clear night
20250108 -1.0 Not a clear night — — — Not a clear night
20250107 -1.0 Not a clear night — — — Not a clear night
20250106 -1.0 Not a clear night — — — Not a clear night
20250105 -1.0 Not a clear night — — — Not a clear night
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