E-PROFILE
HKZA CHM15k Rayleigh
0-528-0-06216_A · NETHERLANDS · 52.319, 4.042 · 45 m
10 d stale
Median C_L 3.041e+11
Spread 119%
Drift 15 d +7.3%
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)
3.041e+11
118 calibrated nights
SPREAD (P10-P90)
119%
1.87e+11 … 5.493e+11
15-DAY DRIFT
+7.3%
vs the preceding 45 d
LAST VALID
10 d ago
2026-08-14

Rayleigh — calibration constant over time 21% success · 118/572 · median 3.041e+11

Daily calibration

Time–height & profile

Rayleigh 21% success · 118/572 · median 3.041e+11 · rel. unc 8% · click a point to open that night

All Rayleigh calibrations (572) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
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 Successful 3.801e+11 1.84e+10 2982–6818 m Successful (method err: 4.3%, sensitivity 2σ: 4.9%)
20260813 -3.0 Method disagreement — — — Method disagreement: 17.2%
20260812 0.5 Partial success 3.987e+11 2.69e+10 3941–5859 m Successful (method err: 7.9%, sensitivity 2σ: 6.8%)
20260811 0.5 Partial success 2.632e+11 1.75e+10 1783–5619 m Successful (method err: 6.5%, sensitivity 2σ: 6.7%)
20260810 0.5 Partial success 3.496e+11 2.68e+10 2982–6818 m Successful (method err: 2.7%, sensitivity 2σ: 7.7%)
20260809 -1.0 Not a clear night — — — Not a clear night
20260808 0.5 Partial success 3.154e+11 1.56e+10 2503–4421 m Successful (method err: 3.7%, sensitivity 2σ: 5.0%)
20260807 -1.0 Not a clear night — — — Not a clear night
20260806 -1.0 Not a clear night — — — Not a clear night
20260805 -3.0 Method disagreement — — — Method disagreement: 15.7%
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 0.5 Partial success 3.186e+11 1.40e+10 2503–6339 m Successful (method err: 4.6%, sensitivity 2σ: 4.4%)
20260731 -1.0 Not a clear night — — — Not a clear night
20260730 1.0 Successful 3.794e+11 2.83e+10 5140–6099 m Successful (method err: 4.1%, sensitivity 2σ: 7.5%)
20260729 -1.0 Not a clear night — — — Not a clear night
20260728 0.5 Partial success 3.111e+11 2.58e+10 4181–7537 m Successful (method err: 10.0%, sensitivity 2σ: 8.3%)
20260727 -1.0 Not a clear night — — — Not a clear night
20260726 -1.0 Not a clear night — — — Not a clear night
20260725 0.5 Partial success 4.719e+11 6.69e+10 2023–5859 m Successful (method err: 1.9%, sensitivity 2σ: 14.2%)
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 Not a clear night — — — Not a clear night
20260715 -1.0 Not a clear night — — — Not a clear night
20260714 1.0 Successful 3.306e+11 2.66e+10 2263–5619 m Successful (method err: 4.1%, sensitivity 2σ: 8.1%)
20260713 -1.0 Not a clear night — — — Not a clear night
20260712 -1.0 Not a clear night — — — Not a clear night
20260711 0.5 Partial success 3.382e+11 1.26e+10 2023–5859 m Successful (method err: 5.6%, sensitivity 2σ: 3.7%)
20260710 0.5 Partial success 3.207e+11 1.46e+10 4181–6099 m Successful (method err: 12.0%, sensitivity 2σ: 4.6%)
20260709 -3.0 Method disagreement — — — Method disagreement: 23.1%
20260708 -1.0 Not a clear night — — — Not a clear night
20260707 -1.0 Not a clear night — — — Not a clear night
20260706 -1.0 Not a clear night — — — Not a clear night
20260705 -1.0 Not a clear night — — — Not a clear night
20260704 -1.0 Not a clear night — — — Not a clear night
20260703 -1.0 Not a clear night — — — Not a clear night
20260702 -1.0 Not a clear night — — — Not a clear night
20260701 -1.0 Not a clear night — — — Not a clear night
20260630 -1.0 Not a clear night — — — Not a clear night
20260629 -1.0 Not a clear night — — — Not a clear night
20260628 -1.0 Not a clear night — — — Not a clear night
20260627 -1.0 Not a clear night — — — Not a clear night
20260626 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20260625 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20260623 -1.0 Not a clear night — — — Not a clear night
20260622 -1.0 Not a clear night — — — Not a clear night
20260621 -1.0 Not a clear night — — — Not a clear night
20260620 -1.0 Not a clear night — — — Not a clear night
20260619 0.5 Partial success 2.898e+11 1.38e+10 3701–4181 m Successful (method err: 4.9%, sensitivity 2σ: 4.8%)
20260618 -1.0 Not a clear night — — — Not a clear night
20260617 -1.0 Not a clear night — — — Not a clear night
20260616 -1.0 Not a clear night — — — Not a clear night
20260615 -1.0 Not a clear night — — — Not a clear night
20260614 -1.0 Not a clear night — — — Not a clear night
20260613 -1.0 Not a clear night — — — Not a clear night
20260612 -1.0 Not a clear night — — — Not a clear night
20260611 -1.0 Not a clear night — — — Not a clear night
20260610 -1.0 Not a clear night — — — Not a clear night
20260609 -1.0 Not a clear night — — — Not a clear night
20260608 -1.0 Not a clear night — — — Not a clear night
20260607 -1.0 Not a clear night — — — Not a clear night
20260606 -1.0 Not a clear night — — — Not a clear night
20260605 -1.0 Not a clear night — — — Not a clear night
20260604 -1.0 Not a clear night — — — Not a clear night
20260603 -1.0 Not a clear night — — — Not a clear night
20260602 -1.0 Not a clear night — — — Not a clear night
20260601 -1.0 Not a clear night — — — Not a clear night
20260531 -1.0 Not a clear night — — — Not a clear night
20260530 -1.0 Not a clear night — — — Not a clear night
20260529 -1.0 Not a clear night — — — Not a clear night
20260528 0.5 Partial success 2.724e+11 3.74e+10 3941–7777 m Successful (method err: 12.6%, sensitivity 2σ: 13.7%)
20260527 0.5 Partial success 3.056e+11 3.10e+10 3462–5380 m Successful (method err: 3.5%, sensitivity 2σ: 10.2%)
20260526 0.5 Partial success 2.747e+11 2.83e+10 3941–5380 m Successful (method err: 7.4%, sensitivity 2σ: 10.3%)
20260525 1.0 Successful 3.289e+11 1.57e+10 2742–4181 m Successful (method err: 9.3%, sensitivity 2σ: 4.8%)
20260524 -3.0 Method disagreement — — — Method disagreement: 15.0%
20260523 0.5 Partial success 3.026e+11 4.64e+10 3701–5619 m Successful (method err: 10.6%, sensitivity 2σ: 15.3%)
20260522 0.5 Partial success 2.64e+11 1.19e+10 1783–5619 m Successful (method err: 1.2%, sensitivity 2σ: 4.5%)
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
20260511 -1.0 Not a clear night — — — Not a clear night
20260510 0.5 Partial success 2.585e+11 9.84e+09 2503–5859 m Successful (method err: 11.3%, sensitivity 2σ: 3.8%)
20260509 0.5 Partial success 2.4e+11 1.50e+10 2742–6099 m Successful (method err: 9.2%, sensitivity 2σ: 6.2%)
20260508 -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 Successful 2.831e+11 1.71e+10 2742–6099 m Successful (method err: 13.7%, sensitivity 2σ: 6.1%)
20260501 1.0 Successful 2.345e+11 6.69e+09 1783–4181 m Successful (method err: 6.9%, sensitivity 2σ: 2.9%)
20260429 -3.0 Method disagreement — — — Method disagreement: 15.8%
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 -1.0 Not a clear night — — — Not a clear night
20260424 1.0 Successful 2.302e+11 7.84e+09 2023–5859 m Successful (method err: 1.3%, sensitivity 2σ: 3.4%)
20260423 1.0 Successful 2.355e+11 6.11e+09 1783–5619 m Successful (method err: 2.6%, sensitivity 2σ: 2.6%)
20260422 1.0 Successful 2.265e+11 7.06e+09 1783–5619 m Successful (method err: 1.8%, sensitivity 2σ: 3.1%)
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 0.5 Partial success 2.153e+11 1.09e+10 2023–5859 m Successful (method err: 9.8%, sensitivity 2σ: 5.1%)
20260415 0.5 Partial success 1.959e+11 1.14e+10 2503–4421 m Successful (method err: 0.4%, sensitivity 2σ: 5.8%)
20260414 1.0 Successful 2.241e+11 2.19e+10 3462–6339 m Successful (method err: 9.0%, sensitivity 2σ: 9.8%)
20260413 -1.0 Not a clear night — — — Not a clear night
20260412 0.5 Partial success 2.35e+11 2.70e+10 2023–5859 m Successful (method err: 0.4%, sensitivity 2σ: 11.5%)
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 Successful 2.355e+11 4.40e+09 1783–5619 m Successful (method err: 0.2%, sensitivity 2σ: 1.9%)
20260407 0.5 Partial success 2.217e+11 9.16e+09 1783–5619 m Successful (method err: 4.4%, sensitivity 2σ: 4.1%)
20260405 -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 Successful 2.046e+11 2.40e+10 2982–6818 m Successful (method err: 14.8%, sensitivity 2σ: 11.7%)
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 0.5 Partial success 2.174e+11 1.40e+10 3701–7058 m Successful (method err: 4.8%, sensitivity 2σ: 6.4%)
20260322 1.0 Successful 1.817e+11 1.52e+10 1783–5619 m Successful (method err: 13.2%, sensitivity 2σ: 8.3%)
20260321 0.5 Partial success 1.918e+11 6.54e+09 2023–5859 m Successful (method err: 0.0%, sensitivity 2σ: 3.4%)
20260320 -1.0 Not a clear night — — — Not a clear night
20260319 0.5 Partial success 2.343e+11 1.17e+10 3462–6818 m Successful (method err: 11.1%, sensitivity 2σ: 5.0%)
20260318 0.5 Partial success 2.243e+11 8.71e+09 1783–2742 m Successful (method err: 0.3%, sensitivity 2σ: 3.9%)
20260317 -1.0 Not a clear night — — — Not a clear night
20260316 -1.0 Not a clear night — — — Not a clear night
20260315 0.5 Partial success 2.03e+11 1.67e+10 2023–5380 m Successful (method err: 8.0%, sensitivity 2σ: 8.2%)
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 2.701e+11 4.85e+10 2023–3462 m Successful (method err: 10.8%, sensitivity 2σ: 18.0%)
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 5.954e+11 3.57e+10 4660–6099 m Successful (method err: 10.3%, sensitivity 2σ: 6.0%)
20260305 1.0 Successful 2.212e+11 1.54e+10 2263–6099 m Successful (method err: 4.6%, sensitivity 2σ: 6.9%)
20260304 0.5 Partial success 2.328e+11 2.31e+10 2503–6339 m Successful (method err: 1.4%, sensitivity 2σ: 9.9%)
20260303 1.0 Successful 2.499e+11 8.78e+09 2023–5859 m Successful (method err: 5.1%, sensitivity 2σ: 3.5%)
20260302 -3.0 Method disagreement — — — Method disagreement: 15.7%
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 0.5 Partial success 2.714e+11 2.12e+10 4900–6818 m Successful (method err: 8.1%, sensitivity 2σ: 7.8%)
20260225 0.5 Partial success 1.762e+11 8.38e+09 1783–5140 m Successful (method err: 10.8%, sensitivity 2σ: 4.8%)
20260224 -1.0 Not a clear night — — — Not a clear night
20260223 0.5 Partial success 2.416e+11 2.59e+10 2263–6099 m Successful (method err: 10.3%, sensitivity 2σ: 10.7%)
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 0.5 Partial success 1.892e+11 3.84e+09 1783–5140 m Successful (method err: 9.2%, sensitivity 2σ: 2.0%)
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 Not a clear night — — — Not a clear night
20260211 -1.0 Not a clear night — — — Not a clear night
20260210 0.5 Partial success 1.777e+11 1.06e+10 2023–5859 m Successful (method err: 12.4%, sensitivity 2σ: 5.9%)
20260209 -1.0 Not a clear night — — — Not a clear night
20260208 -1.0 Not a clear night — — — Not a clear night
20260207 -3.0 Method disagreement — — — Method disagreement: 16.1%
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 0.5 Partial success 1.532e+11 8.92e+09 1783–3701 m Successful (method err: 0.1%, sensitivity 2σ: 5.8%)
20260202 -1.0 Not a clear night — — — Not a clear night
20260201 -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 -3.0 Method disagreement — — — Method disagreement: 17.2%
20260124 -1.0 Not a clear night — — — Not a clear night
20260123 -1.0 Not a clear night — — — Not a clear night
20260122 0.5 Partial success 1.651e+11 7.50e+09 3462–5380 m Successful (method err: 12.5%, sensitivity 2σ: 4.5%)
20260121 -1.0 Not a clear night — — — Not a clear night
20260120 0.5 Partial success 2.298e+11 1.55e+10 4900–6339 m Successful (method err: 4.9%, sensitivity 2σ: 6.7%)
20260119 -1.0 Not a clear night — — — Not a clear night
20260118 0.5 Partial success 1.997e+11 7.66e+09 2503–4421 m Successful (method err: 11.4%, sensitivity 2σ: 3.8%)
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
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 0.5 Partial success 1.657e+11 1.62e+10 1783–4660 m Successful (method err: 6.3%, sensitivity 2σ: 9.8%)
20251228 -1.0 Not a clear night — — — Not a clear night
20251227 0.5 Partial success 1.469e+11 5.95e+09 2503–6339 m Successful (method err: 10.4%, sensitivity 2σ: 4.0%)
20251226 1.0 Successful 1.635e+11 4.38e+09 1783–5619 m Successful (method err: 6.7%, sensitivity 2σ: 2.7%)
20251225 1.0 Successful 1.771e+11 4.99e+09 1783–5619 m Successful (method err: 8.6%, sensitivity 2σ: 2.8%)
20251224 -1.0 Not a clear night — — — Not a clear night
20251223 -1.0 Not a clear night — — — Not a clear night
20251222 0.5 Partial success 2.147e+11 5.72e+09 1783–5619 m Successful (method err: 11.6%, sensitivity 2σ: 2.7%)
20251221 -1.0 Not a clear night — — — Not a clear night
20251220 -3.0 Method disagreement — — — Method disagreement: 15.2%
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 1.816e+11 8.79e+09 1783–4660 m Successful (method err: 8.6%, sensitivity 2σ: 4.8%)
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 Successful 2.184e+11 2.59e+10 2023–5380 m Successful (method err: 7.6%, sensitivity 2σ: 11.9%)
20251210 -1.0 Not a clear night — — — Not a clear night
20251209 -1.0 Not a clear night — — — Not a clear night
20251208 0.5 Partial success 1.629e+11 1.58e+10 3222–6099 m Successful (method err: 12.0%, sensitivity 2σ: 9.7%)
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 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 -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 0.5 Partial success 1.818e+11 6.95e+09 3941–5380 m Successful (method err: 6.7%, sensitivity 2σ: 3.8%)
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 0.5 Partial success 2.207e+11 9.56e+09 3222–6099 m Successful (method err: 14.5%, sensitivity 2σ: 4.3%)
20251107 0.5 Partial success 2.674e+11 1.77e+10 4660–5140 m Successful (method err: 14.1%, sensitivity 2σ: 6.6%)
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 -1.0 Not a clear night — — — Not a clear night
20251101 0.5 Partial success 2.107e+11 1.13e+10 2982–6818 m Successful (method err: 10.1%, sensitivity 2σ: 5.3%)
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 -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 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 0.5 Partial success 2.253e+11 1.60e+10 2503–5380 m Successful (method err: 1.6%, sensitivity 2σ: 7.1%)
20250930 -1.0 Not a clear night — — — Not a clear night
20250929 0.5 Partial success 2.304e+11 8.09e+09 1783–5619 m Successful (method err: 5.1%, sensitivity 2σ: 3.5%)
20250928 0.5 Partial success 2.049e+11 2.10e+10 2023–5859 m Successful (method err: 6.6%, sensitivity 2σ: 10.3%)
20250927 -1.0 Not a clear night — — — Not a clear night
20250926 -1.0 Not a clear night — — — Not a clear night
20250925 0.5 Partial success 2.111e+11 5.23e+09 2023–5859 m Successful (method err: 6.6%, sensitivity 2σ: 2.5%)
20250924 0.5 Partial success 2.381e+11 1.06e+11 2023–3462 m Successful (method err: 11.2%, sensitivity 2σ: 44.6%)
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 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
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 -1.0 Not a clear night — — — Not a clear night
20250914 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 2.925e+11 1.38e+10 2263–6099 m Successful (method err: 7.1%, sensitivity 2σ: 4.7%)
20250908 -1.0 Not a clear night — — — Not a clear night
20250907 0.5 Partial success 2.852e+11 8.44e+09 2742–6578 m Successful (method err: 10.5%, sensitivity 2σ: 3.0%)
20250906 0.5 Partial success 3.525e+11 1.79e+10 2263–5140 m Successful (method err: 2.4%, sensitivity 2σ: 5.1%)
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 0.5 Partial success 8.975e+11 1.18e+11 2742–4660 m Successful (method err: 14.3%, sensitivity 2σ: 13.2%)
20250825 -3.0 Method disagreement — — — Method disagreement: 24.4%
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 -3.0 Method disagreement — — — Method disagreement: 27.4%
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 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250814 -1.0 Not a clear night — — — Not a clear night
20250813 1.0 Successful 4.449e+11 1.44e+11 5140–6578 m Successful (method err: 3.7%, sensitivity 2σ: 32.5%)
20250812 -1.0 Not a clear night — — — Not a clear night
20250811 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250810 1.0 Successful 3.144e+11 1.29e+11 3941–7298 m Successful (method err: 10.8%, sensitivity 2σ: 41.0%)
20250809 -3.0 Method disagreement — — — Method disagreement: 22.8%
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
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 0.5 Partial success 3.554e+11 1.29e+11 5140–6578 m Successful (method err: 4.3%, sensitivity 2σ: 36.2%)
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 -1.0 Not a clear night — — — Not a clear night
20250712 -1.0 Not a clear night — — — Not a clear night
20250711 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250710 -1.0 Not a clear night — — — Not a clear night
20250709 -1.0 Not a clear night — — — Not a clear night
20250708 -1.0 Not a clear night — — — Not a clear night
20250707 -1.0 Not a clear night — — — Not a clear night
20250706 -1.0 Not a clear night — — — Not a clear night
20250705 -1.0 Not a clear night — — — Not a clear night
20250704 -1.0 Not a clear night — — — Not a clear night
20250703 -1.0 Not a clear night — — — Not a clear night
20250702 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250701 -3.0 Method disagreement — — — Method disagreement: 19.2%
20250630 0.5 Partial success 4.938e+11 4.41e+10 2742–4660 m Successful (method err: 4.0%, sensitivity 2σ: 8.9%)
20250629 1.0 Successful 5.499e+11 7.69e+10 3941–5380 m Successful (method err: 5.1%, sensitivity 2σ: 14.0%)
20250627 -1.0 Not a clear night — — — Not a clear night
20250626 -1.0 Not a clear night — — — Not a clear night
20250625 -1.0 Not a clear night — — — Not a clear night
20250624 -1.0 Not a clear night — — — Not a clear night
20250623 -1.0 Not a clear night — — — Not a clear night
20250622 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250621 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250620 1.0 Successful 5.192e+11 5.88e+10 4660–6099 m Successful (method err: 0.5%, sensitivity 2σ: 11.3%)
20250619 1.0 Successful 4.119e+11 1.94e+11 4421–5380 m Successful (method err: 0.9%, sensitivity 2σ: 47.2%)
20250618 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250617 0.5 Partial success 4.569e+11 1.19e+11 3941–5380 m Successful (method err: 10.2%, sensitivity 2σ: 26.0%)
20250616 -1.0 Not a clear night — — — Not a clear night
20250615 -1.0 Not a clear night — — — Not a clear night
20250614 -1.0 Not a clear night — — — Not a clear night
20250613 -1.0 Not a clear night — — — Not a clear night
20250612 -3.0 Method disagreement — — — Method disagreement: 26.2%
20250611 1.0 Successful 3.999e+11 1.23e+11 3701–6578 m Successful (method err: 2.1%, sensitivity 2σ: 30.6%)
20250610 -1.0 Not a clear night — — — Not a clear night
20250609 -1.0 Not a clear night — — — Not a clear night
20250608 -1.0 Not a clear night — — — Not a clear night
20250607 -1.0 Not a clear night — — — Not a clear night
20250606 -1.0 Not a clear night — — — Not a clear night
20250605 -1.0 Not a clear night — — — Not a clear night
20250604 -1.0 Not a clear night — — — Not a clear night
20250603 0.5 Partial success 6.402e+11 8.04e+10 3701–5619 m Successful (method err: 2.2%, sensitivity 2σ: 12.6%)
20250602 -1.0 Not a clear night — — — Not a clear night
20250601 -1.0 Not a clear night — — — Not a clear night
20250531 -1.0 Not a clear night — — — Not a clear night
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 Not a clear night — — — Not a clear night
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 4.748e+11 1.20e+11 3222–6099 m Successful (method err: 8.8%, sensitivity 2σ: 25.2%)
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 Not a clear night — — — Not a clear night
20250516 1.0 Successful 6.3e+11 5.35e+10 1783–5140 m Successful (method err: 8.3%, sensitivity 2σ: 8.5%)
20250515 -1.0 Not a clear night — — — Not a clear night
20250514 0.5 Partial success 5.92e+11 5.30e+10 2503–4900 m Successful (method err: 1.3%, sensitivity 2σ: 8.9%)
20250513 0.5 Partial success 5.493e+11 5.28e+10 4421–5859 m Successful (method err: 1.3%, sensitivity 2σ: 9.6%)
20250512 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250511 0.5 Partial success 6.808e+11 2.83e+10 2023–4421 m Successful (method err: 9.2%, sensitivity 2σ: 4.2%)
20250510 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250509 1.0 Successful 5.494e+11 5.09e+10 2982–5859 m Successful (method err: 8.6%, sensitivity 2σ: 9.3%)
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 Successful 4.368e+11 9.00e+10 4900–5859 m Successful (method err: 10.2%, sensitivity 2σ: 20.6%)
20250502 0.5 Partial success 9.054e+11 8.27e+10 2982–6339 m Successful (method err: 2.8%, sensitivity 2σ: 9.1%)
20250501 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250430 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250429 0.5 Partial success 5.441e+11 3.20e+10 3222–4660 m Successful (method err: 13.6%, sensitivity 2σ: 5.9%)
20250428 1.0 Successful 5.03e+11 1.13e+11 3941–7298 m Successful (method err: 8.0%, sensitivity 2σ: 22.5%)
20250427 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250426 0.5 Partial success 4.998e+11 4.91e+10 2742–3222 m Successful (method err: 7.9%, sensitivity 2σ: 9.8%)
20250425 -1.0 Not a clear night — — — Not a clear night
20250424 -1.0 Not a clear night — — — Not a clear night
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 0.5 Partial success 4.622e+11 7.30e+10 2742–5619 m Successful (method err: 5.3%, sensitivity 2σ: 15.8%)
20250418 -1.0 Not a clear night — — — Not a clear night
20250417 -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 0.5 Partial success 5.013e+11 5.91e+10 3222–5619 m Successful (method err: 0.6%, sensitivity 2σ: 11.8%)
20250411 -3.0 Method disagreement — — — Method disagreement: 19.4%
20250410 -1.0 Not a clear night — — — Not a clear night
20250409 -1.0 Not a clear night — — — Not a clear night
20250408 -3.0 Method disagreement — — — Method disagreement: 24.2%
20250407 -3.0 Method disagreement — — — Method disagreement: 15.5%
20250406 1.0 Successful 3.994e+11 4.64e+10 2982–5380 m Successful (method err: 13.8%, sensitivity 2σ: 11.6%)
20250405 -3.0 Method disagreement — — — Method disagreement: 20.3%
20250404 1.0 Successful 6.876e+11 4.46e+10 3222–5619 m Successful (method err: 7.8%, sensitivity 2σ: 6.5%)
20250403 0.5 Partial success 5.607e+11 7.86e+10 3462–5859 m Successful (method err: 8.6%, sensitivity 2σ: 14.0%)
20250402 1.0 Successful 5.248e+11 3.07e+10 2263–2742 m Successful (method err: 2.3%, sensitivity 2σ: 5.9%)
20250401 1.0 Successful 4.407e+11 8.33e+10 2982–6818 m Successful (method err: 9.1%, sensitivity 2σ: 18.9%)
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 Successful 4.656e+11 3.21e+10 2742–5140 m Successful (method err: 11.8%, sensitivity 2σ: 6.9%)
20250327 0.5 Partial success 4.163e+11 6.60e+10 3462–6818 m Successful (method err: 13.2%, sensitivity 2σ: 15.9%)
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 0.5 Partial success 4.276e+11 4.26e+10 2263–5619 m Successful (method err: 5.8%, sensitivity 2σ: 10.0%)
20250320 -3.0 Method disagreement — — — Method disagreement: 20.4%
20250319 1.0 Successful 4.164e+11 3.51e+10 2982–6818 m Successful (method err: 1.1%, sensitivity 2σ: 8.4%)
20250318 1.0 Successful 3.09e+11 8.08e+10 4421–5859 m Successful (method err: 7.7%, sensitivity 2σ: 26.2%)
20250317 -1.0 Not a clear night — — — Not a clear night
20250316 1.0 Successful 4.213e+11 3.51e+10 3462–5380 m Successful (method err: 3.1%, sensitivity 2σ: 8.3%)
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 0.5 Partial success 4.78e+11 4.84e+10 4421–6339 m Successful (method err: 7.9%, sensitivity 2σ: 10.1%)
20250309 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250308 1.0 Successful 8.231e+11 3.59e+10 2503–3462 m Successful (method err: 8.4%, sensitivity 2σ: 4.4%)
20250307 0.5 Partial success 3.861e+11 7.89e+10 4181–6578 m Successful (method err: 11.1%, sensitivity 2σ: 20.4%)
20250306 1.0 Successful 3.989e+11 5.02e+10 4421–6339 m Successful (method err: 14.0%, sensitivity 2σ: 12.6%)
20250305 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250304 0.5 Partial success 3.838e+11 4.22e+10 3222–3701 m Successful (method err: 6.0%, sensitivity 2σ: 11.0%)
20250303 1.0 Successful 4.206e+11 2.83e+10 2503–4900 m Successful (method err: 13.8%, sensitivity 2σ: 6.7%)
20250302 0.5 Partial success 3.842e+11 1.07e+11 3701–7537 m Successful (method err: 6.1%, sensitivity 2σ: 28.0%)
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 0.5 Partial success 3.51e+11 1.77e+11 5140–5619 m Successful (method err: 5.7%, sensitivity 2σ: 50.4%)
20250219 -1.0 Not a clear night — — — Not a clear night
20250218 0.5 Partial success 4.86e+11 4.08e+10 2023–2982 m Successful (method err: 11.4%, sensitivity 2σ: 8.4%)
20250217 -3.0 Method disagreement — — — Method disagreement: 15.5%
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 Not a clear night — — — Not a clear night
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 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250204 -1.0 Not a clear night — — — Not a clear night
20250203 -2.0 Signal not proportional to molecular — — — No molecular window passed the validity gates
20250202 -3.0 Method disagreement — — — Method disagreement: 20.3%
20250201 1.0 Successful 2.933e+11 5.90e+10 4181–5619 m Successful (method err: 10.1%, sensitivity 2σ: 20.1%)
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 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 — 11 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