0-756-4-EERLCL61_A CL61 RayleighLiquid-cloud

SION_EPFL_ALPOLE · SWITZERLAND · EPFL_SWITZERLAND EERL

Rayleigh 35% success · 39/112 · median 1.495e+00 · rel. unc 6%

Diagnostic — latest ‹ prev cal next cal › ‹ day day › ⚑ flag — ← → valid calibrations, Ctrl+← → all days, ↑ ↓ change station, 0 flag + note (1 aerosol · 2 cloud · 3 low signal) ( good calibration · rejected)

All Rayleigh calibrations (112) — click a date to load its diagnostic, click a flag for its meaning

Date	Flag	C_L	Uncertainty	Extra	Message
20260623	-1.0 Not a clear night	—	—	—	Not a clear night
20260622	-4.0 Missing model data (CAMS)	—	—	—	No CAMS for water-vapor correction
20260621	-4.0 Missing model data (CAMS)	—	—	—	No CAMS for water-vapor correction
20260620	-1.0 Not a clear night	—	—	—	Not a clear night
20260619	-1.0 Not a clear night	—	—	—	Not a clear night
20260618	-2.0 Signal not proportional to molecular	—	—	—	Signal not proportional to molecular scattering
20260617	-1.0 Not a clear night	—	—	—	Not a clear night
20260616	-2.0 Signal not proportional to molecular	—	—	—	Signal not proportional to molecular scattering
20260615	1.0 Successful	1.875e+00	9.50e-02	2673–3653 m	Successful (method err: 9.7%, sensitivity 2σ: 5.1%)
20260614	0.5 Partial success	1.311e+00	8.25e-02	3077–6937 m	Successful (method err: 10.0%, sensitivity 2σ: 6.3%)
20260613	1.0 Successful	1.413e+00	5.82e-02	3077–6937 m	Successful (method err: 6.2%, sensitivity 2σ: 4.1%)
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	-3.0 Method disagreement	—	—	—	Method disagreement: 17.7%
20260607	-1.0 Not a clear night	—	—	—	Not a clear night
20260606	-2.0 Signal not proportional to molecular	—	—	—	Signal not proportional to molecular scattering
20260605	-1.0 Not a clear night	—	—	—	Not a clear night
20260604	0.5 Partial success	1.587e+00	4.39e-02	2635–5535 m	Successful (method err: 14.4%, sensitivity 2σ: 2.8%)
20260603	-1.0 Not a clear night	—	—	—	Not a clear night
20260602	0.5 Partial success	1.828e+00	7.91e-02	4017–6917 m	Successful (method err: 5.8%, sensitivity 2σ: 4.3%)
20260601	-1.0 Not a clear night	—	—	—	Not a clear night
20260531	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260530	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260529	1.0 Successful	1.598e+00	2.08e-01	4517–6418 m	Successful (method err: 3.8%, sensitivity 2σ: 13.0%)
20260528	0.5 Partial success	1.601e+00	2.03e-01	4056–5957 m	Successful (method err: 9.7%, sensitivity 2σ: 12.7%)
20260527	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260526	1.0 Successful	1.553e+00	2.07e-01	4517–5957 m	Successful (method err: 5.5%, sensitivity 2σ: 13.3%)
20260525	0.5 Partial success	1.982e+00	2.19e-01	4517–5957 m	Successful (method err: 1.6%, sensitivity 2σ: 11.0%)
20260524	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260523	0.5 Partial success	1.578e+00	1.12e-01	3336–6216 m	Successful (method err: 10.7%, sensitivity 2σ: 7.1%)
20260522	0.5 Partial success	1.689e+00	8.67e-02	3336–6677 m	Successful (method err: 2.4%, sensitivity 2σ: 5.1%)
20260521	0.5 Partial success	1.523e+00	9.54e-02	3106–5986 m	Successful (method err: 2.1%, sensitivity 2σ: 6.3%)
20260520	-1.0 Not a clear night	—	—	—	Not a clear night
20260519	0.5 Partial success	1.470e+00	7.02e-02	3307–7167 m	Successful (method err: 5.1%, sensitivity 2σ: 4.8%)
20260518	-1.0 Not a clear night	—	—	—	Not a clear night
20260517	1.0 Successful	1.391e+00	5.03e-02	3336–6677 m	Successful (method err: 10.3%, sensitivity 2σ: 3.6%)
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	1.860e+00	1.92e-01	4258–6677 m	Successful (method err: 12.0%, sensitivity 2σ: 10.3%)
20260509	-1.0 Not a clear night	—	—	—	Not a clear night
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	0.5 Partial success	1.534e+00	1.69e-01	3797–6677 m	Successful (method err: 7.6%, sensitivity 2σ: 11.0%)
20260501	-1.0 Not a clear night	—	—	—	Not a clear night
20260429	-1.0 Not a clear night	—	—	—	Not a clear night
20260428	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260427	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260426	0.5 Partial success	1.526e+00	9.24e-02	3538–7397 m	Successful (method err: 3.6%, sensitivity 2σ: 6.1%)
20260425	1.0 Successful	1.327e+00	9.47e-02	4229–8088 m	Successful (method err: 2.9%, sensitivity 2σ: 7.1%)
20260424	1.0 Successful	1.371e+00	9.50e-02	4488–7368 m	Successful (method err: 8.3%, sensitivity 2σ: 6.9%)
20260423	1.0 Successful	1.431e+00	1.48e-01	3567–6907 m	Successful (method err: 1.3%, sensitivity 2σ: 10.3%)
20260422	1.0 Successful	1.495e+00	1.14e-01	3106–6447 m	Successful (method err: 1.8%, sensitivity 2σ: 7.6%)
20260421	-1.0 Not a clear night	—	—	—	Not a clear night
20260420	0.5 Partial success	1.526e+00	8.77e-02	3106–5525 m	Successful (method err: 0.4%, sensitivity 2σ: 5.7%)
20260419	-1.0 Not a clear night	—	—	—	Not a clear night
20260418	0.5 Partial success	1.369e+00	1.21e-01	3797–6677 m	Successful (method err: 4.1%, sensitivity 2σ: 8.8%)
20260417	0.5 Partial success	1.312e+00	9.80e-02	3567–6907 m	Successful (method err: 2.9%, sensitivity 2σ: 7.5%)
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	0.5 Partial success	1.541e+00	2.22e-01	3797–6677 m	Successful (method err: 7.3%, sensitivity 2σ: 14.4%)
20260410	0.5 Partial success	1.578e+00	9.67e-02	3163–3624 m	Successful (method err: 9.2%, sensitivity 2σ: 6.1%)
20260408	-3.0 Method disagreement	—	—	—	Method disagreement: 15.2%
20260407	-3.0 Method disagreement	—	—	—	Method disagreement: 15.8%
20260405	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260403	1.0 Successful	1.432e+00	5.74e-02	3768–7627 m	Successful (method err: 2.0%, sensitivity 2σ: 4.0%)
20260402	-3.0 Method disagreement	—	—	—	Method disagreement: 17.0%
20260401	0.5 Partial success	1.342e+00	3.17e-02	3336–5755 m	Successful (method err: 2.2%, sensitivity 2σ: 2.4%)
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 Successful	1.367e+00	6.14e-02	3077–6936 m	Successful (method err: 10.4%, sensitivity 2σ: 4.5%)
20260327	-1.0 Not a clear night	—	—	—	Not a clear night
20260326	-1.0 Not a clear night	—	—	—	Not a clear night
20260325	0.5 Partial success	1.492e+00	1.59e-01	3077–6936 m	Successful (method err: 3.2%, sensitivity 2σ: 10.6%)
20260324	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260323	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260322	-1.0 Not a clear night	—	—	—	Not a clear night
20260321	-3.0 Method disagreement	—	—	—	Method disagreement: 15.3%
20260320	-3.0 Method disagreement	—	—	—	Method disagreement: 16.0%
20260319	1.0 Successful	1.806e+00	4.67e-02	3797–7138 m	Successful (method err: 1.3%, sensitivity 2σ: 2.6%)
20260318	1.0 Successful	1.379e+00	4.21e-02	2386–6245 m	Successful (method err: 1.5%, sensitivity 2σ: 3.1%)
20260317	0.5 Partial success	1.469e+00	4.35e-02	2616–6475 m	Successful (method err: 1.5%, sensitivity 2σ: 3.0%)
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	0.5 Partial success	1.614e+00	3.99e-02	2386–6245 m	Successful (method err: 1.4%, sensitivity 2σ: 2.5%)
20260312	-1.0 Not a clear night	—	—	—	Not a clear night
20260311	-1.0 Not a clear night	—	—	—	Not a clear night
20260310	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260309	0.5 Partial success	1.640e+00	1.66e-01	4027–6447 m	Successful (method err: 11.2%, sensitivity 2σ: 10.1%)
20260308	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260307	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260306	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260305	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260304	1.0 Successful	1.374e+00	8.83e-02	3768–7627 m	Successful (method err: 0.1%, sensitivity 2σ: 6.4%)
20260303	0.5 Partial success	1.282e+00	6.49e-02	4488–6907 m	Successful (method err: 9.9%, sensitivity 2σ: 5.1%)
20260302	-2.0 Signal not proportional to molecular	—	—	—	No molecular window passed the validity gates
20260301	-1.0 Not a clear night	—	—	—	Not a clear night
20260228	0.5 Partial success	1.406e+00	6.96e-01	4517–6418 m	Successful (method err: 1.8%, sensitivity 2σ: 49.5%)
20260227	1.0 Successful	1.344e+00	2.25e-02	2847–6706 m	Successful (method err: 3.2%, sensitivity 2σ: 1.7%)
20260226	0.0 No data	—	—	—	No profiles in nighttime window

Liquid-cloud 17% success · 19/112 · median 1.554e+00 · rel. unc 8%

Diagnostic — latest ‹ prev cal next cal › ‹ day day › ⚑ flag — ← → valid calibrations, Ctrl+← → all days, ↑ ↓ change station, 0 flag + note (1 aerosol · 2 cloud · 3 low signal) ( good calibration · rejected)

All Liquid-cloud calibrations (112) — click a date to load its diagnostic, click a flag for its meaning

Date	Flag	C_L	Uncertainty	Extra	Message
20260623	-4.0 Missing model data (CAMS)	—	—	0 prof	RuntimeError: Water-vapor correction FAILED at 910.74 nm (CL61): No CAMS file for 20260623 in /scratch/mch/mhrvo/CAMS_Monthly (looked for monthly CAMS_Bet
20260622	-4.0 Missing model data (CAMS)	—	—	0 prof	RuntimeError: Water-vapor correction FAILED at 910.74 nm (CL61): No CAMS file for 20260622 in /scratch/mch/mhrvo/CAMS_Monthly (looked for monthly CAMS_Bet
20260621	-4.0 Missing model data (CAMS)	—	—	0 prof	RuntimeError: Water-vapor correction FAILED at 910.74 nm (CL61): No CAMS file for 20260621 in /scratch/mch/mhrvo/CAMS_Monthly (looked for monthly CAMS_Bet
20260620	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260619	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260618	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260617	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260616	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260615	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260614	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260613	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260612	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260611	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260610	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260609	1.0 Successful	1.741e+00	6.38e-02	6 prof	OK (6 profiles)
20260608	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260607	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260606	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260605	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260604	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260603	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260602	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260601	1.0 Successful	1.163e+00	6.37e-02	6 prof	OK (6 profiles)
20260531	1.0 Successful	1.288e+00	7.47e-02	6 prof	OK (6 profiles)
20260530	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260529	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260528	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260527	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260526	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260525	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260524	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260523	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260522	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260521	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260520	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260519	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260518	1.0 Successful	1.873e+00	1.21e-01	11 prof	OK (11 profiles)
20260517	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260516	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260515	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260514	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260513	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260511	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260510	1.0 Successful	2.210e+00	4.32e-01	25 prof	OK (25 profiles)
20260509	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260508	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260506	1.0 Successful	1.473e+00	4.41e-01	61 prof	OK (61 profiles)
20260505	1.0 Successful	4.146e+00	2.30e-01	8 prof	OK (8 profiles)
20260504	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260503	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260502	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260501	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260429	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260428	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260427	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260426	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260425	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260424	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260423	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260422	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260421	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260420	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260419	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260418	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260417	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260416	1.0 Successful	1.554e+00	9.44e-02	27 prof	OK (27 profiles)
20260415	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260414	1.0 Successful	1.594e+00	1.38e-01	517 prof	OK (517 profiles)
20260413	1.0 Successful	1.408e+00	1.44e-01	10 prof	OK (10 profiles)
20260412	1.0 Successful	1.575e+00	1.33e-01	120 prof	OK (120 profiles)
20260411	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260410	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260408	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260407	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260405	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260403	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260402	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260401	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260331	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260330	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260329	1.0 Successful	1.830e+00	1.80e-01	12 prof	OK (12 profiles)
20260328	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260327	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260326	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260325	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260324	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260323	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260322	1.0 Successful	1.457e+00	4.59e-02	5 prof	OK (5 profiles)
20260321	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260320	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260319	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260318	1.0 Successful	1.403e+00	1.08e-01	49 prof	OK (49 profiles)
20260317	1.0 Successful	1.465e+00	1.12e-01	85 prof	OK (85 profiles)
20260316	1.0 Successful	1.515e+00	9.21e-02	137 prof	OK (137 profiles)
20260315	1.0 Successful	1.557e+00	1.48e-01	242 prof	OK (242 profiles)
20260314	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260313	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260312	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260311	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260310	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260309	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260308	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260307	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260306	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260305	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260304	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260303	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260302	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260301	1.0 Successful	1.526e+00	1.31e-01	155 prof	OK (155 profiles)
20260228	1.0 Successful	1.585e+00	1.21e-01	26 prof	OK (26 profiles)
20260227	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions
20260226	-1.0 No liquid cloud	—	—	0 prof	Unsuitable conditions

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

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