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)
7.213e+07
91 calibrated nights
SPREAD (P10-P90)
28%
6.489e+07 … 8.512e+07
15-DAY DRIFT
-0.5%
vs the preceding 45 d
LAST VALID
today
2026-10-22
Liquid-cloud — calibration constant over time 53% success · 91/172 · median 7.213e+07
Time–height & profile
Liquid-cloud 53% success · 91/172 · median 7.213e+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 | 7.747e+07 | 8.41e+06 | 75 prof | OK (75 profiles) |
| 20261021 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261020 | 1.0 Successful | 7.129e+07 | 3.73e+06 | 67 prof | OK (67 profiles) |
| 20261019 | 1.0 Successful | 7.965e+07 | 4.88e+06 | 1274 prof | OK (1274 profiles) |
| 20261018 | 1.0 Successful | 8.098e+07 | 5.91e+06 | 391 prof | OK (391 profiles) |
| 20261017 | 1.0 Successful | 7.461e+07 | 7.30e+06 | 215 prof | OK (215 profiles) |
| 20261016 | 1.0 Successful | 8.195e+07 | 5.23e+06 | 79 prof | OK (79 profiles) |
| 20261015 | 1.0 Successful | 8.509e+07 | 3.50e+06 | 5 prof | OK (5 profiles) |
| 20261014 | 1.0 Successful | 8.776e+07 | 6.59e+06 | 25 prof | OK (25 profiles) |
| 20261013 | 1.0 Successful | 8.301e+07 | 6.21e+06 | 443 prof | OK (443 profiles) |
| 20261012 | 1.0 Successful | 8.512e+07 | 4.60e+06 | 110 prof | OK (110 profiles) |
| 20261011 | 1.0 Successful | 8.076e+07 | 7.41e+06 | 195 prof | OK (195 profiles) |
| 20261010 | 1.0 Successful | 7.327e+07 | 4.18e+06 | 38 prof | OK (38 profiles) |
| 20261009 | 1.0 Successful | 7.451e+07 | 4.29e+06 | 54 prof | OK (54 profiles) |
| 20261008 | 1.0 Successful | 7.904e+07 | 3.82e+06 | 5 prof | OK (5 profiles) |
| 20261007 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261006 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261005 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261004 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261003 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261002 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261001 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 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 | 1.0 Successful | 8.653e+07 | 6.14e+06 | 9 prof | OK (9 profiles) |
| 20260926 | 1.0 Successful | 8.748e+07 | 6.02e+06 | 322 prof | OK (322 profiles) |
| 20260925 | 1.0 Successful | 7.128e+07 | 8.32e+06 | 82 prof | OK (82 profiles) |
| 20260924 | 1.0 Successful | 8.855e+07 | 9.89e+06 | 248 prof | OK (248 profiles) |
| 20260923 | 1.0 Successful | 8.185e+07 | 3.61e+06 | 24 prof | OK (24 profiles) |
| 20260922 | 1.0 Successful | 7.097e+07 | 1.67e+07 | 29 prof | OK (29 profiles) |
| 20260921 | 1.0 Successful | 8.093e+07 | 4.01e+06 | 18 prof | OK (18 profiles) |
| 20260920 | 1.0 Successful | 8.329e+07 | 6.16e+06 | 5 prof | OK (5 profiles) |
| 20260919 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260918 | 1.0 Successful | 7.977e+07 | 7.34e+06 | 261 prof | OK (261 profiles) |
| 20260917 | 1.0 Successful | 8.426e+07 | 9.54e+06 | 372 prof | OK (372 profiles) |
| 20260916 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260915 | 1.0 Successful | 8.023e+07 | 7.49e+06 | 181 prof | OK (181 profiles) |
| 20260914 | 1.0 Successful | 7.883e+07 | 6.81e+06 | 104 prof | OK (104 profiles) |
| 20260913 | 1.0 Successful | 8.765e+07 | 5.34e+06 | 39 prof | OK (39 profiles) |
| 20260912 | 1.0 Successful | 8.488e+07 | 5.97e+06 | 246 prof | OK (246 profiles) |
| 20260911 | 1.0 Successful | 7.208e+07 | 1.05e+07 | 241 prof | OK (241 profiles) |
| 20260910 | 1.0 Successful | 7.309e+07 | 5.01e+06 | 632 prof | OK (632 profiles) |
| 20260909 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260908 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260907 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260906 | 1.0 Successful | 8.299e+07 | 7.09e+06 | 20 prof | OK (20 profiles) |
| 20260905 | 1.0 Successful | 8.496e+07 | 6.91e+06 | 284 prof | OK (284 profiles) |
| 20260904 | 1.0 Successful | 7.581e+07 | 6.57e+06 | 107 prof | OK (107 profiles) |
| 20260903 | 1.0 Successful | 8.321e+07 | 4.19e+06 | 32 prof | OK (32 profiles) |
| 20260902 | 1.0 Successful | 7.162e+07 | 6.37e+06 | 16 prof | OK (16 profiles) |
| 20260901 | 1.0 Successful | 7.721e+07 | 8.72e+06 | 84 prof | OK (84 profiles) |
| 20260831 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260830 | 1.0 Successful | 7.764e+07 | 8.28e+06 | 56 prof | OK (56 profiles) |
| 20260829 | 1.0 Successful | 7.917e+07 | 1.06e+07 | 71 prof | OK (71 profiles) |
| 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 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260823 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260822 | 1.0 Successful | 8.643e+07 | 6.48e+06 | 280 prof | OK (280 profiles) |
| 20260821 | 1.0 Successful | 8.612e+07 | 3.39e+06 | 6 prof | OK (6 profiles) |
| 20260820 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260819 | 1.0 Successful | 8.689e+07 | 6.61e+06 | 10 prof | OK (10 profiles) |
| 20260818 | 1.0 Successful | 8.693e+07 | 7.92e+06 | 66 prof | OK (66 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 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 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 | 1.0 Successful | 8.457e+07 | 4.99e+06 | 12 prof | OK (12 profiles) |
| 20260810 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260809 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260808 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260807 | 1.0 Successful | 8.424e+07 | 5.67e+06 | 83 prof | OK (83 profiles) |
| 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 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260731 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (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 | 1.0 Successful | 7.756e+07 | 5.49e+06 | 8 prof | OK (8 profiles) |
| 20260726 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260725 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260724 | 1.0 Successful | 6.843e+07 | 3.39e+07 | 21 prof | OK (21 profiles) |
| 20260723 | 1.0 Successful | 6.934e+07 | 7.73e+06 | 11 prof | OK (11 profiles) |
| 20260722 | 1.0 Successful | 6.542e+07 | 5.18e+06 | 19 prof | OK (19 profiles) |
| 20260721 | 1.0 Successful | 7.5e+07 | 4.66e+06 | 6 prof | OK (6 profiles) |
| 20260720 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260719 | 1.0 Successful | 7.213e+07 | 3.12e+06 | 6 prof | OK (6 profiles) |
| 20260718 | 1.0 Successful | 7.019e+07 | 4.38e+06 | 17 prof | OK (17 profiles) |
| 20260717 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260716 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260715 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260714 | 1.0 Successful | 6.853e+07 | 4.55e+06 | 68 prof | OK (68 profiles) |
| 20260713 | 1.0 Successful | 6.631e+07 | 5.63e+06 | 228 prof | OK (228 profiles) |
| 20260712 | 1.0 Successful | 6.071e+07 | 6.63e+06 | 89 prof | OK (89 profiles) |
| 20260711 | 1.0 Successful | 6.619e+07 | 5.58e+06 | 40 prof | OK (40 profiles) |
| 20260710 | 1.0 Successful | 7.004e+07 | 5.37e+06 | 15 prof | OK (15 profiles) |
| 20260709 | -6.0 Uncertainty exceeds value | — | — | 61 prof | Uncertainty exceeds value |
| 20260708 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260707 | 1.0 Successful | 6.165e+07 | 3.96e+06 | 53 prof | OK (53 profiles) |
| 20260706 | 1.0 Successful | 7.341e+07 | 4.93e+06 | 11 prof | OK (11 profiles) |
| 20260705 | 1.0 Successful | 7.121e+07 | 4.04e+06 | 6 prof | OK (6 profiles) |
| 20260704 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260703 | 1.0 Successful | 6.408e+07 | 2.71e+06 | 12 prof | OK (12 profiles) |
| 20260702 | 1.0 Successful | 6.162e+07 | 3.94e+06 | 456 prof | OK (456 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 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260627 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260626 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260625 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260623 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260622 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260621 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260620 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (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 | 6.801e+07 | 5.01e+06 | 97 prof | OK (97 profiles) |
| 20260616 | 1.0 Successful | 6.734e+07 | 3.77e+06 | 44 prof | OK (44 profiles) |
| 20260615 | 1.0 Successful | 7.441e+07 | 1.31e+07 | 39 prof | OK (39 profiles) |
| 20260614 | 1.0 Successful | 6.561e+07 | 4.15e+06 | 8 prof | OK (8 profiles) |
| 20260613 | 1.0 Successful | 6.496e+07 | 5.91e+06 | 51 prof | OK (51 profiles) |
| 20260612 | 1.0 Successful | 6.838e+07 | 6.27e+06 | 81 prof | OK (81 profiles) |
| 20260611 | 1.0 Successful | 7.007e+07 | 5.60e+06 | 326 prof | OK (326 profiles) |
| 20260610 | 1.0 Successful | 6.868e+07 | 4.47e+06 | 176 prof | OK (176 profiles) |
| 20260609 | 1.0 Successful | 6.848e+07 | 4.61e+06 | 23 prof | OK (23 profiles) |
| 20260608 | 1.0 Successful | 6.489e+07 | 2.81e+06 | 18 prof | OK (18 profiles) |
| 20260607 | 1.0 Successful | 7.082e+07 | 4.29e+06 | 23 prof | OK (23 profiles) |
| 20260606 | 1.0 Successful | 6.436e+07 | 5.72e+06 | 157 prof | OK (157 profiles) |
| 20260605 | 1.0 Successful | 6.414e+07 | 5.54e+06 | 80 prof | OK (80 profiles) |
| 20260604 | 1.0 Successful | 6.87e+07 | 6.86e+06 | 18 prof | OK (18 profiles) |
| 20260603 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260602 | 1.0 Successful | 6.266e+07 | 2.66e+06 | 34 prof | OK (34 profiles) |
| 20260601 | 1.0 Successful | 6.832e+07 | 6.97e+06 | 25 prof | OK (25 profiles) |
| 20260531 | 1.0 Successful | 6.755e+07 | 5.82e+06 | 5 prof | OK (5 profiles) |
| 20260530 | 1.0 Successful | 6.723e+07 | 3.17e+06 | 14 prof | OK (14 profiles) |
| 20260529 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260528 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260527 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260526 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260525 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260524 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260523 | 1.0 Successful | 6.699e+07 | 2.51e+06 | 5 prof | OK (5 profiles) |
| 20260522 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260521 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260520 | 1.0 Successful | 7.111e+07 | 5.00e+06 | 10 prof | OK (10 profiles) |
| 20260519 | 1.0 Successful | 6.601e+07 | 4.21e+06 | 389 prof | OK (389 profiles) |
| 20260518 | 1.0 Successful | 6.6e+07 | 6.11e+06 | 894 prof | OK (894 profiles) |
| 20260517 | 1.0 Successful | 7.478e+07 | 3.57e+06 | 933 prof | OK (933 profiles) |
| 20260516 | 1.0 Successful | 6.88e+07 | 2.45e+06 | 23 prof | OK (23 profiles) |
| 20260515 | 1.0 Successful | 7e+07 | 5.05e+06 | 32 prof | OK (32 profiles) |
| 20260514 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260513 | 1.0 Successful | 7.797e+07 | 4.54e+06 | 60 prof | OK (60 profiles) |
| 20260511 | 1.0 Successful | 5.812e+07 | 4.16e+06 | 25 prof | OK (25 profiles) |
| 20260510 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260509 | 1.0 Successful | 6.585e+07 | 4.74e+06 | 498 prof | OK (498 profiles) |
| 20260508 | 1.0 Successful | 6.682e+07 | 1.28e+07 | 78 prof | OK (78 profiles) |
| 20260506 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260505 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260504 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260503 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260502 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260501 | 1.0 Successful | 5.72e+07 | 5.01e+06 | 41 prof | OK (41 profiles) |
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
