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 (LIQUID-CLOUD)
6.092e+07
61 calibrated nights
SPREAD (P10-P90)
26%
5.047e+07 … 6.63e+07
15-DAY DRIFT
-3.0%
vs the preceding 45 d
LAST VALID
today
2026-10-22
Liquid-cloud — calibration constant over time 35% success · 61/172 · median 6.092e+07
Time–height & profile
Liquid-cloud 35% success · 61/172 · median 6.092e+07 · rel. unc 7% · click a point to open that night
All Liquid-cloud calibrations (172) — click a date to open that night in the daily panel, click a flag for its meaning
| Date | Flag | C_L | Uncertainty | Extra | Message |
|---|---|---|---|---|---|
| 20261022 | 1.0 Successful | 5.436e+07 | 2.89e+06 | 48 prof | OK (48 profiles) |
| 20261021 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261020 | 1.0 Successful | 6.163e+07 | 2.20e+06 | 7 prof | OK (7 profiles) |
| 20261019 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261018 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261017 | 1.0 Successful | 5.684e+07 | 1.19e+06 | 5 prof | OK (5 profiles) |
| 20261016 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261015 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261014 | 1.0 Successful | 6.532e+07 | 6.21e+06 | 176 prof | OK (176 profiles) |
| 20261013 | 1.0 Successful | 6.5e+07 | 6.57e+06 | 49 prof | OK (49 profiles) |
| 20261012 | 1.0 Successful | 6.814e+07 | 5.81e+06 | 5 prof | OK (5 profiles) |
| 20261011 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261010 | 1.0 Successful | 6.065e+07 | 4.91e+06 | 24 prof | OK (24 profiles) |
| 20261009 | 1.0 Successful | 6.002e+07 | 4.63e+06 | 129 prof | OK (129 profiles) |
| 20261008 | 1.0 Successful | 6.268e+07 | 4.28e+06 | 124 prof | OK (124 profiles) |
| 20261007 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261006 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261005 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20261004 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261003 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261002 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261001 | -25.0 Cloud: cloud base out of range | — | — | 0 prof | Cloud: cloud base out of range |
| 20260930 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20260929 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20260928 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260927 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260926 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260925 | 1.0 Successful | 6.376e+07 | 4.10e+06 | 47 prof | OK (47 profiles) |
| 20260924 | 1.0 Successful | 6.361e+07 | 6.18e+06 | 64 prof | OK (64 profiles) |
| 20260923 | 1.0 Successful | 7.258e+07 | 6.20e+06 | 30 prof | OK (30 profiles) |
| 20260922 | 1.0 Successful | 6.024e+07 | 4.04e+06 | 23 prof | OK (23 profiles) |
| 20260921 | 1.0 Successful | 6.63e+07 | 4.23e+06 | 14 prof | OK (14 profiles) |
| 20260920 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260919 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260918 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260917 | 1.0 Successful | 6.29e+07 | 4.16e+06 | 214 prof | OK (214 profiles) |
| 20260916 | 1.0 Successful | 6.871e+07 | 3.62e+06 | 7 prof | OK (7 profiles) |
| 20260915 | -25.0 Cloud: cloud base out of range | — | — | 0 prof | Cloud: cloud base out of range |
| 20260914 | 1.0 Successful | 6.298e+07 | 4.06e+06 | 25 prof | OK (25 profiles) |
| 20260913 | 1.0 Successful | 6.604e+07 | 2.06e+06 | 6 prof | OK (6 profiles) |
| 20260912 | 1.0 Successful | 6.956e+07 | 4.89e+06 | 26 prof | OK (26 profiles) |
| 20260911 | 1.0 Successful | 6.351e+07 | 4.54e+06 | 208 prof | OK (208 profiles) |
| 20260910 | 1.0 Successful | 5.004e+07 | 3.83e+06 | 56 prof | OK (56 profiles) |
| 20260909 | 1.0 Successful | 5.225e+07 | 1.98e+06 | 24 prof | OK (24 profiles) |
| 20260908 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260907 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260906 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260905 | 1.0 Successful | 6.087e+07 | 4.94e+06 | 72 prof | OK (72 profiles) |
| 20260904 | 1.0 Successful | 5.047e+07 | 2.94e+06 | 17 prof | OK (17 profiles) |
| 20260903 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260902 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260901 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260831 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260830 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260829 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260828 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260827 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260826 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260825 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260824 | 1.0 Successful | 6.922e+07 | 9.77e+06 | 22 prof | OK (22 profiles) |
| 20260823 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260822 | 1.0 Successful | 6.17e+07 | 3.60e+06 | 123 prof | OK (123 profiles) |
| 20260821 | 1.0 Successful | 5.623e+07 | 5.73e+06 | 37 prof | OK (37 profiles) |
| 20260820 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260819 | 1.0 Successful | 4.789e+07 | 4.51e+06 | 287 prof | OK (287 profiles) |
| 20260818 | 1.0 Successful | 4.691e+07 | 3.73e+06 | 22 prof | OK (22 profiles) |
| 20260817 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260816 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260815 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260814 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260813 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260812 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260811 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260810 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260809 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260808 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260807 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260806 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260805 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260804 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260803 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260802 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260801 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260731 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260730 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260729 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260728 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260727 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260726 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260725 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260724 | 1.0 Successful | 7.451e+07 | 3.52e+06 | 12 prof | OK (12 profiles) |
| 20260723 | 1.0 Successful | 6.155e+07 | 6.21e+06 | 5 prof | OK (5 profiles) |
| 20260722 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260721 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260720 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260719 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260718 | 1.0 Successful | 5.292e+07 | 2.82e+06 | 5 prof | OK (5 profiles) |
| 20260717 | 1.0 Successful | 5.851e+07 | 1.04e+06 | 7 prof | OK (7 profiles) |
| 20260716 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260715 | 1.0 Successful | 5.516e+07 | 3.61e+06 | 16 prof | OK (16 profiles) |
| 20260714 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260713 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260712 | 1.0 Successful | 5.404e+07 | 3.93e+06 | 11 prof | OK (11 profiles) |
| 20260711 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260710 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260709 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260708 | 1.0 Successful | 4.737e+07 | 3.72e+06 | 10 prof | OK (10 profiles) |
| 20260707 | 1.0 Successful | 5.196e+07 | 2.44e+06 | 24 prof | OK (24 profiles) |
| 20260706 | 1.0 Successful | 4.864e+07 | 3.74e+06 | 67 prof | OK (67 profiles) |
| 20260705 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260704 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260703 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260702 | 1.0 Successful | 5.591e+07 | 4.85e+06 | 31 prof | OK (31 profiles) |
| 20260701 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260630 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260629 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260628 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260627 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260626 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260625 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260623 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260622 | 1.0 Successful | 4.854e+07 | 1.98e+06 | 5 prof | OK (5 profiles) |
| 20260621 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260620 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260619 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260618 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260617 | 1.0 Successful | 6.308e+07 | 2.19e+06 | 5 prof | OK (5 profiles) |
| 20260616 | 1.0 Successful | 6.196e+07 | 1.91e+06 | 5 prof | OK (5 profiles) |
| 20260615 | 1.0 Successful | 6.092e+07 | 3.20e+06 | 5 prof | OK (5 profiles) |
| 20260614 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260613 | 1.0 Successful | 5.998e+07 | 3.51e+06 | 115 prof | OK (115 profiles) |
| 20260612 | 1.0 Successful | 6.376e+07 | 4.64e+06 | 18 prof | OK (18 profiles) |
| 20260611 | 1.0 Successful | 6.018e+07 | 4.25e+06 | 89 prof | OK (89 profiles) |
| 20260610 | 1.0 Successful | 5.57e+07 | 5.07e+06 | 186 prof | OK (186 profiles) |
| 20260609 | 1.0 Successful | 6.183e+07 | 5.22e+06 | 10 prof | OK (10 profiles) |
| 20260608 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260607 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260606 | 1.0 Successful | 5.918e+07 | 4.38e+06 | 153 prof | OK (153 profiles) |
| 20260605 | 1.0 Successful | 6.374e+07 | 5.62e+06 | 20 prof | OK (20 profiles) |
| 20260604 | 1.0 Successful | 5.961e+07 | 4.10e+06 | 64 prof | OK (64 profiles) |
| 20260603 | 1.0 Successful | 6.179e+07 | 9.06e+06 | 141 prof | OK (141 profiles) |
| 20260602 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260601 | 1.0 Successful | 5.8e+07 | 3.29e+06 | 16 prof | OK (16 profiles) |
| 20260531 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260530 | 1.0 Successful | 5.985e+07 | 2.42e+06 | 5 prof | OK (5 profiles) |
| 20260529 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260528 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260527 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260526 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260525 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260524 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260523 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260522 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260521 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260520 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260519 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260518 | 1.0 Successful | 6.207e+07 | 5.68e+06 | 256 prof | OK (256 profiles) |
| 20260517 | 1.0 Successful | 6.293e+07 | 3.90e+06 | 419 prof | OK (419 profiles) |
| 20260516 | 1.0 Successful | 6.216e+07 | 5.93e+06 | 153 prof | OK (153 profiles) |
| 20260515 | 1.0 Successful | 6.128e+07 | 5.68e+06 | 35 prof | OK (35 profiles) |
| 20260514 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260513 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260511 | 1.0 Successful | 6.192e+07 | 3.51e+06 | 181 prof | OK (181 profiles) |
| 20260510 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260509 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260508 | 1.0 Successful | 5.287e+07 | 4.00e+06 | 53 prof | OK (53 profiles) |
| 20260506 | 1.0 Successful | 5.576e+07 | 3.98e+06 | 5 prof | OK (5 profiles) |
| 20260505 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260504 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260503 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260502 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260501 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
Instrument monitoring — daily averages: laser power, window transmission, temperatures
Observation − Background (CAMS) — calibrated backscatter vs CAMS model over the selected window
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
Instrument sensitivity / detection limit — ICAO detection altitude & nighttime noise floor
