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)
7.767e+07
79 calibrated nights
SPREAD (P10-P90)
15%
7.195e+07 … 8.333e+07
15-DAY DRIFT
+4.1%
vs the preceding 45 d
LAST VALID
today
2026-10-22
Liquid-cloud — calibration constant over time 46% success · 79/172 · median 7.767e+07
Time–height & profile
Liquid-cloud 46% success · 79/172 · median 7.767e+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 | 7.519e+07 | 2.93e+06 | 57 prof | OK (57 profiles) |
| 20261021 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261020 | 1.0 Successful | 8.277e+07 | 5.49e+06 | 439 prof | OK (439 profiles) |
| 20261019 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261018 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261017 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261016 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261015 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261014 | 1.0 Successful | 8.349e+07 | 6.90e+06 | 255 prof | OK (255 profiles) |
| 20261013 | 1.0 Successful | 8.253e+07 | 8.59e+06 | 60 prof | OK (60 profiles) |
| 20261012 | 1.0 Successful | 8.089e+07 | 6.11e+06 | 50 prof | OK (50 profiles) |
| 20261011 | 1.0 Successful | 7.395e+07 | 8.54e+06 | 10 prof | OK (10 profiles) |
| 20261010 | 1.0 Successful | 7.563e+07 | 6.85e+06 | 428 prof | OK (428 profiles) |
| 20261009 | 1.0 Successful | 8.346e+07 | 5.62e+06 | 225 prof | OK (225 profiles) |
| 20261008 | 1.0 Successful | 7.754e+07 | 6.23e+06 | 429 prof | OK (429 profiles) |
| 20261007 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261006 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20261005 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20261004 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20261003 | -1.0 No liquid cloud | — | — | 0 prof | Unsuitable conditions |
| 20261002 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20261001 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (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 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260926 | 1.0 Successful | 8.085e+07 | 3.10e+06 | 6 prof | OK (6 profiles) |
| 20260925 | 1.0 Successful | 7.74e+07 | 5.71e+06 | 103 prof | OK (103 profiles) |
| 20260924 | 1.0 Successful | 7.923e+07 | 7.27e+06 | 136 prof | OK (136 profiles) |
| 20260923 | 1.0 Successful | 8.323e+07 | 6.23e+06 | 100 prof | OK (100 profiles) |
| 20260922 | 1.0 Successful | 7.364e+07 | 5.39e+06 | 53 prof | OK (53 profiles) |
| 20260921 | 1.0 Successful | 8.377e+07 | 6.72e+06 | 11 prof | OK (11 profiles) |
| 20260920 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260919 | 1.0 Successful | 7.902e+07 | 5.44e+06 | 10 prof | OK (10 profiles) |
| 20260918 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260917 | 1.0 Successful | 7.69e+07 | 6.56e+06 | 99 prof | OK (99 profiles) |
| 20260916 | 1.0 Successful | 7.767e+07 | 9.92e+06 | 44 prof | OK (44 profiles) |
| 20260915 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260914 | 1.0 Successful | 7.23e+07 | 4.70e+06 | 71 prof | OK (71 profiles) |
| 20260913 | 1.0 Successful | 8.13e+07 | 6.85e+06 | 16 prof | OK (16 profiles) |
| 20260912 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260911 | 1.0 Successful | 7.323e+07 | 3.62e+06 | 26 prof | OK (26 profiles) |
| 20260910 | 1.0 Successful | 7.016e+07 | 4.05e+06 | 164 prof | OK (164 profiles) |
| 20260909 | 1.0 Successful | 7.187e+07 | 3.28e+06 | 26 prof | OK (26 profiles) |
| 20260908 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260907 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260906 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260905 | 1.0 Successful | 8.282e+07 | 6.06e+06 | 80 prof | OK (80 profiles) |
| 20260904 | 1.0 Successful | 7.881e+07 | 4.26e+06 | 37 prof | OK (37 profiles) |
| 20260903 | 1.0 Successful | 7.957e+07 | 8.26e+06 | 26 prof | OK (26 profiles) |
| 20260902 | 1.0 Successful | 6.753e+07 | 2.33e+06 | 5 prof | OK (5 profiles) |
| 20260901 | 1.0 Successful | 8.056e+07 | 6.81e+06 | 12 prof | OK (12 profiles) |
| 20260831 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260830 | -25.0 Cloud: cloud base out of range | — | — | 0 prof | Cloud: cloud base out of range |
| 20260829 | 1.0 Successful | 7.451e+07 | 6.32e+06 | 106 prof | OK (106 profiles) |
| 20260828 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260827 | 1.0 Successful | 5.848e+07 | 4.84e+06 | 5 prof | OK (5 profiles) |
| 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 | 7.591e+07 | 3.51e+06 | 5 prof | OK (5 profiles) |
| 20260823 | 1.0 Successful | 7.989e+07 | 7.05e+06 | 14 prof | OK (14 profiles) |
| 20260822 | 1.0 Successful | 8.222e+07 | 4.93e+06 | 437 prof | OK (437 profiles) |
| 20260821 | 1.0 Successful | 7.556e+07 | 4.70e+06 | 88 prof | OK (88 profiles) |
| 20260820 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260819 | 1.0 Successful | 7.198e+07 | 4.34e+06 | 93 prof | OK (93 profiles) |
| 20260818 | 1.0 Successful | 7.705e+07 | 8.51e+06 | 165 prof | OK (165 profiles) |
| 20260817 | 1.0 Successful | 8.299e+07 | 8.05e+06 | 37 prof | OK (37 profiles) |
| 20260816 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260815 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260814 | -25.0 Cloud: cloud base out of range | — | — | 0 prof | Cloud: cloud base out of range |
| 20260813 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260812 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260811 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 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 | -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 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 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 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 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 | 1.0 Successful | 7.788e+07 | 4.60e+06 | 14 prof | OK (14 profiles) |
| 20260725 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260724 | 1.0 Successful | 8.118e+07 | 5.30e+06 | 55 prof | OK (55 profiles) |
| 20260723 | 1.0 Successful | 8.635e+07 | 7.44e+06 | 103 prof | OK (103 profiles) |
| 20260722 | 1.0 Successful | 7.948e+07 | 5.69e+06 | 11 prof | OK (11 profiles) |
| 20260721 | 1.0 Successful | 8.055e+07 | 4.82e+06 | 7 prof | OK (7 profiles) |
| 20260720 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260719 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260718 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260717 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260716 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260715 | 1.0 Successful | 7.679e+07 | 6.35e+06 | 27 prof | OK (27 profiles) |
| 20260714 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260713 | 1.0 Successful | 7.653e+07 | 5.51e+06 | 5 prof | OK (5 profiles) |
| 20260712 | 1.0 Successful | 7.825e+07 | 1.26e+07 | 101 prof | OK (101 profiles) |
| 20260711 | 1.0 Successful | 7.029e+07 | 4.25e+06 | 8 prof | OK (8 profiles) |
| 20260710 | 1.0 Successful | 7.645e+07 | 3.96e+06 | 16 prof | OK (16 profiles) |
| 20260709 | 1.0 Successful | 8.623e+07 | 7.83e+06 | 5 prof | OK (5 profiles) |
| 20260708 | 1.0 Successful | 7.765e+07 | 5.97e+06 | 39 prof | OK (39 profiles) |
| 20260707 | 1.0 Successful | 7.588e+07 | 4.46e+06 | 41 prof | OK (41 profiles) |
| 20260706 | 1.0 Successful | 7.691e+07 | 7.58e+06 | 72 prof | OK (72 profiles) |
| 20260705 | 1.0 Successful | 7.676e+07 | 6.16e+06 | 24 prof | OK (24 profiles) |
| 20260704 | 1.0 Successful | 7.372e+07 | 4.94e+06 | 46 prof | OK (46 profiles) |
| 20260703 | 1.0 Successful | 8.566e+07 | 4.57e+06 | 12 prof | OK (12 profiles) |
| 20260702 | 1.0 Successful | 7.806e+07 | 6.33e+06 | 354 prof | OK (354 profiles) |
| 20260701 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260630 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260629 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (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 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260623 | 1.0 Successful | 5.035e+07 | 4.14e+06 | 5 prof | OK (5 profiles) |
| 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 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260619 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260618 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260617 | 1.0 Successful | 7.649e+07 | 3.52e+06 | 5 prof | OK (5 profiles) |
| 20260616 | 1.0 Successful | 8.311e+07 | 6.59e+06 | 11 prof | OK (11 profiles) |
| 20260615 | 1.0 Successful | 8.329e+07 | 3.80e+06 | 7 prof | OK (7 profiles) |
| 20260614 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260613 | 1.0 Successful | 7.477e+07 | 4.80e+06 | 82 prof | OK (82 profiles) |
| 20260612 | 1.0 Successful | 8.314e+07 | 4.84e+06 | 88 prof | OK (88 profiles) |
| 20260611 | 1.0 Successful | 8.19e+07 | 5.75e+06 | 227 prof | OK (227 profiles) |
| 20260610 | 1.0 Successful | 6.82e+07 | 9.79e+06 | 185 prof | OK (185 profiles) |
| 20260609 | 1.0 Successful | 8.293e+07 | 7.08e+06 | 11 prof | OK (11 profiles) |
| 20260608 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260607 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260606 | 1.0 Successful | 7.713e+07 | 9.44e+06 | 64 prof | OK (64 profiles) |
| 20260605 | 1.0 Successful | 7.814e+07 | 9.23e+06 | 235 prof | OK (235 profiles) |
| 20260604 | 1.0 Successful | 7.317e+07 | 5.71e+06 | 205 prof | OK (205 profiles) |
| 20260603 | 1.0 Successful | 8.136e+07 | 9.27e+06 | 192 prof | OK (192 profiles) |
| 20260602 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260601 | 1.0 Successful | 7.666e+07 | 4.91e+06 | 13 prof | OK (13 profiles) |
| 20260531 | 1.0 Successful | 8.217e+07 | 5.72e+06 | 27 prof | OK (27 profiles) |
| 20260530 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260529 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260528 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260527 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260526 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (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 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 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 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260519 | -23.0 Cloud: peak not sharp below | — | — | 0 prof | Cloud: peak not sharp below (300 m) |
| 20260518 | 1.0 Successful | 7.882e+07 | 6.05e+06 | 349 prof | OK (349 profiles) |
| 20260517 | 1.0 Successful | 9.009e+07 | 6.07e+06 | 21 prof | OK (21 profiles) |
| 20260516 | 1.0 Successful | 7.531e+07 | 6.72e+06 | 62 prof | OK (62 profiles) |
| 20260515 | 1.0 Successful | 7.517e+07 | 3.57e+06 | 40 prof | OK (40 profiles) |
| 20260514 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260513 | 1.0 Successful | 8.838e+07 | 6.35e+06 | 33 prof | OK (33 profiles) |
| 20260511 | 1.0 Successful | 7.736e+07 | 6.06e+06 | 33 prof | OK (33 profiles) |
| 20260510 | 1.0 Successful | 6.968e+07 | 1.45e+06 | 6 prof | OK (6 profiles) |
| 20260509 | -22.0 Cloud: peak not sharp above | — | — | 0 prof | Cloud: peak not sharp above (300 m) |
| 20260508 | 1.0 Successful | 7.494e+07 | 2.35e+06 | 10 prof | OK (10 profiles) |
| 20260506 | 1.0 Successful | 7.815e+07 | 4.47e+06 | 133 prof | OK (133 profiles) |
| 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 | -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
