E-PROFILE
LERWICK CHM15k Rayleigh
0-20000-0-03005_A · UK · 60.139, -1.185 · 82 m
3 d stale
Median C_L 1.565e+11
Spread 38%
Drift 15 d -18.5%
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)
1.565e+11
40 calibrated nights
SPREAD (P10-P90)
38%
1.311e+11 … 1.901e+11
15-DAY DRIFT
-18.5%
vs the preceding 45 d
LAST VALID
3 d ago
2026-10-19

Rayleigh — calibration constant over time 8% success · 40/493 · median 1.565e+11

Daily calibration

Time–height & profile

Rayleigh 8% success · 40/493 · median 1.565e+11 · rel. unc 7% · click a point to open that night

All Rayleigh calibrations (493) — 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 0.5 Partial success 1.491e+11 1.20e+10 1820–4697 m Successful (method err: 15.0%, sensitivity 2σ: 8.1%)
20261018 -1.0 Not a clear night — — — Not a clear night
20261017 0.5 Partial success 1.454e+11 9.49e+09 1820–4697 m Successful (method err: 2.0%, sensitivity 2σ: 6.5%)
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 0.5 Partial success 1.452e+11 8.19e+09 1820–5177 m Successful (method err: 2.8%, sensitivity 2σ: 5.6%)
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 Successful 1.475e+11 5.62e+09 2060–5417 m Successful (method err: 12.4%, sensitivity 2σ: 3.8%)
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 0.5 Partial success 1.749e+11 1.90e+10 2060–5896 m Successful (method err: 6.0%, sensitivity 2σ: 10.9%)
20261001 -1.0 Not a clear night — — — Not a clear night
20260930 -1.0 Not a clear night — — — Not a clear night
20260929 0.5 Partial success 1.865e+11 1.32e+10 1820–5656 m Successful (method err: 0.2%, sensitivity 2σ: 7.1%)
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 0.5 Partial success 1.7e+11 1.27e+10 1820–5656 m Successful (method err: 12.5%, sensitivity 2σ: 7.5%)
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 0.5 Partial success 1.846e+11 1.75e+10 1820–4697 m Successful (method err: 0.2%, sensitivity 2σ: 9.5%)
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 -1.0 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
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 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
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
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 0.5 Partial success 1.393e+11 4.76e+09 2060–4937 m Successful (method err: 10.5%, sensitivity 2σ: 3.4%)
20260428 -1.0 Not a clear night — — — Not a clear night
20260427 -1.0 Not a clear night — — — Not a clear night
20260426 0.5 Partial success 1.285e+11 1.15e+10 2300–4218 m Successful (method err: 11.5%, sensitivity 2σ: 8.9%)
20260425 -1.0 Not a clear night — — — Not a clear night
20260424 1.0 Successful 1.466e+11 3.09e+09 1820–5656 m Successful (method err: 2.6%, sensitivity 2σ: 2.1%)
20260423 1.0 Successful 1.419e+11 5.19e+09 2060–5417 m Successful (method err: 4.6%, sensitivity 2σ: 3.7%)
20260422 -1.0 Not a clear night — — — Not a clear night
20260421 1.0 Successful 1.333e+11 5.15e+09 1820–3259 m Successful (method err: 5.9%, sensitivity 2σ: 3.9%)
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 Successful 1.333e+11 1.82e+10 2540–4937 m Successful (method err: 2.6%, sensitivity 2σ: 13.6%)
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 -1.0 Not a clear night — — — Not a clear night
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 1.314e+11 6.30e+09 1820–5177 m Successful (method err: 3.0%, sensitivity 2σ: 4.8%)
20260319 1.0 Successful 1.474e+11 3.37e+10 1820–4697 m Successful (method err: 4.3%, sensitivity 2σ: 22.9%)
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 0.5 Partial success 1.314e+11 7.75e+09 1820–5177 m Successful (method err: 6.0%, sensitivity 2σ: 5.9%)
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 Successful 1.205e+11 8.37e+09 1820–5656 m Successful (method err: 10.2%, sensitivity 2σ: 6.9%)
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 -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 0.5 Partial success 1.202e+11 5.69e+09 1820–3259 m Successful (method err: 2.0%, sensitivity 2σ: 4.7%)
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 -1.0 Not a clear night — — — Not a clear night
20260213 1.0 Successful 1.257e+11 8.39e+09 2300–4697 m Successful (method err: 3.7%, sensitivity 2σ: 6.7%)
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 Not a clear night — — — Not a clear night
20260201 -1.0 Not a clear night — — — Not a clear night
20260131 -1.0 Not a clear night — — — Not a clear night
20260130 -1.0 Not a clear night — — — Not a clear night
20260129 -1.0 Not a clear night — — — Not a clear night
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 1.318e+11 1.88e+10 1820–4218 m Successful (method err: 12.8%, sensitivity 2σ: 14.2%)
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 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 1.643e+11 2.31e+10 3019–3978 m Successful (method err: 7.7%, sensitivity 2σ: 14.1%)
20251217 -1.0 Not a clear night — — — Not a clear night
20251216 0.5 Partial success 1.65e+11 1.81e+10 2540–6376 m Successful (method err: 2.3%, sensitivity 2σ: 11.0%)
20251215 -1.0 Not a clear night — — — Not a clear night
20251214 -1.0 Not a clear night — — — Not a clear night
20251213 -3.0 Method disagreement — — — Method disagreement: 15.2%
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 Successful 1.527e+11 2.32e+10 2540–6376 m Successful (method err: 11.9%, sensitivity 2σ: 15.2%)
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 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 Not a clear night — — — Not a clear night
20251123 -1.0 Not a clear night — — — Not a clear night
20251122 -1.0 Not a clear night — — — Not a clear night
20251121 0.5 Partial success 1.469e+11 9.52e+09 2300–5177 m Successful (method err: 10.9%, sensitivity 2σ: 6.5%)
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 1.686e+11 2.10e+10 1820–5656 m Successful (method err: 0.9%, sensitivity 2σ: 12.4%)
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 0.5 Partial success 1.574e+11 9.03e+09 2060–4937 m Successful (method err: 2.8%, sensitivity 2σ: 5.7%)
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 -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 0.5 Partial success 1.556e+11 1.03e+10 2060–5417 m Successful (method err: 0.2%, sensitivity 2σ: 6.6%)
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 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 Successful 1.741e+11 1.06e+10 2300–6136 m Successful (method err: 1.2%, sensitivity 2σ: 6.1%)
20250928 -1.0 Not a clear night — — — Not a clear night
20250927 -1.0 Not a clear night — — — Not a clear night
20250926 0.5 Partial success 1.948e+11 1.81e+10 1820–2779 m Successful (method err: 0.7%, sensitivity 2σ: 9.3%)
20250925 -1.0 Not a clear night — — — Not a clear night
20250924 0.5 Partial success 1.771e+11 8.03e+09 1820–5656 m Successful (method err: 6.5%, sensitivity 2σ: 4.5%)
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 -3.0 Method disagreement — — — Method disagreement: 16.3%
20250916 -1.0 Not a clear night — — — Not a clear night
20250915 -1.0 Not a clear night — — — Not a clear night
20250914 1.0 Successful 1.761e+11 1.25e+10 1820–5177 m Successful (method err: 5.7%, sensitivity 2σ: 7.1%)
20250913 0.5 Partial success 1.981e+11 1.52e+10 2300–6136 m Successful (method err: 7.3%, sensitivity 2σ: 7.7%)
20250912 0.5 Partial success 1.881e+11 1.90e+10 1820–5656 m Successful (method err: 7.0%, sensitivity 2σ: 10.1%)
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 -1.0 Not a clear night — — — Not a clear night
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 Successful 1.837e+11 5.81e+09 2060–5417 m Successful (method err: 0.7%, sensitivity 2σ: 3.2%)
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 Successful 2.125e+11 6.07e+09 1820–3738 m Successful (method err: 4.8%, sensitivity 2σ: 2.9%)
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 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 1.0 Successful 1.731e+11 7.29e+09 2779–6615 m Successful (method err: 11.8%, sensitivity 2σ: 4.2%)
20250519 -1.0 Not a clear night — — — Not a clear night
20250518 -1.0 Not a clear night — — — Not a clear night
20250517 1.0 Successful 1.961e+11 7.62e+09 2300–3738 m Successful (method err: 1.6%, sensitivity 2σ: 3.9%)
20250516 -1.0 Not a clear night — — — Not a clear night
20250515 -1.0 Not a clear night — — — Not a clear night
20250514 1.0 Successful 1.64e+11 1.12e+10 2300–3738 m Successful (method err: 11.0%, sensitivity 2σ: 6.9%)
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 -1.0 Not a clear night — — — Not a clear night
20250509 -1.0 Not a clear night — — — Not a clear night
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 1.0 Successful 1.896e+11 5.90e+09 1820–5656 m Successful (method err: 4.4%, sensitivity 2σ: 3.1%)
20250424 0.0 No data — — — No profiles in nighttime window

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