E-PROFILE · Calibration monitoring Flag reference ← summary ↑ prev station ↓ next station

0-20000-0-03391_A CHM15k Rayleigh

CONINGSBY · UK · Met Office UK Engineering Services

WMO 0-20000-0-03391 Lat/Lon 53.094, -0.173 Alt 6 m

Rayleigh 22% success · 120/537 · median 4.030e+11 · rel. unc 5%

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

calibration diagnostic

All Rayleigh calibrations (537) — click a date to load its diagnostic, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
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 1.0 Successful 3.769e+11 1.58e+10 2212–6072 m Successful (method err: 9.2%, sensitivity 2σ: 4.2%)
20260618 0.5 Partial success 3.928e+11 7.74e+09 2212–6072 m Successful (method err: 3.4%, sensitivity 2σ: 2.0%)
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 0.5 Partial success 3.853e+11 7.09e+09 2212–6072 m Successful (method err: 4.7%, sensitivity 2σ: 1.8%)
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 Successful 3.199e+11 1.64e+10 2452–5832 m Successful (method err: 2.2%, sensitivity 2σ: 5.1%)
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 0.5 Partial success 3.108e+11 1.73e+10 2943–4861 m Successful (method err: 7.4%, sensitivity 2σ: 5.6%)
20260529 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260528 -1.0 Not a clear night Not a clear night
20260527 -1.0 Not a clear night Not a clear night
20260526 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260525 1.0 Successful 3.812e+11 3.22e+10 4621–5580 m Successful (method err: 5.7%, sensitivity 2σ: 8.5%)
20260524 0.5 Partial success 3.310e+11 7.25e+09 1744–5101 m Successful (method err: 5.4%, sensitivity 2σ: 2.2%)
20260523 -1.0 Not a clear night Not a clear night
20260522 0.5 Partial success 4.060e+11 1.25e+10 1744–5580 m Successful (method err: 12.6%, sensitivity 2σ: 3.1%)
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
20260512 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260511 1.0 Successful 3.026e+11 1.37e+10 1984–4382 m Successful (method err: 3.2%, sensitivity 2σ: 4.5%)
20260510 -1.0 Not a clear night Not a clear night
20260509 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260508 -1.0 Not a clear night Not a clear night
20260507 -1.0 Not a clear night Not a clear night
20260506 -1.0 Not a clear night Not a clear night
20260505 1.0 Successful 3.401e+11 2.02e+10 2224–5101 m Successful (method err: 5.4%, sensitivity 2σ: 5.9%)
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 Not a clear night Not a clear night
20260501 1.0 Successful 3.285e+11 1.74e+10 1744–5101 m Successful (method err: 2.2%, sensitivity 2σ: 5.3%)
20260430 0.5 Partial success 3.478e+11 1.62e+10 1744–5580 m Successful (method err: 5.0%, sensitivity 2σ: 4.7%)
20260429 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 Successful 3.224e+11 1.44e+10 1744–2224 m Successful (method err: 0.3%, sensitivity 2σ: 4.5%)
20260424 1.0 Successful 3.329e+11 1.31e+10 2703–5101 m Successful (method err: 2.4%, sensitivity 2σ: 3.9%)
20260423 0.5 Partial success 3.363e+11 1.82e+10 1744–2703 m Successful (method err: 5.9%, sensitivity 2σ: 5.4%)
20260422 1.0 Successful 3.414e+11 1.22e+10 1744–4142 m Successful (method err: 3.2%, sensitivity 2σ: 3.6%)
20260421 -1.0 Not a clear night Not a clear night
20260420 1.0 Successful 3.718e+11 2.42e+10 1984–5341 m Successful (method err: 3.5%, sensitivity 2σ: 6.5%)
20260419 1.0 Successful 3.927e+11 1.91e+10 1984–5820 m Successful (method err: 1.3%, sensitivity 2σ: 4.9%)
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 3.341e+11 3.09e+10 1984–4861 m Successful (method err: 9.2%, sensitivity 2σ: 9.2%)
20260415 -1.0 Not a clear night Not a clear night
20260414 1.0 Successful 4.027e+11 2.41e+10 2943–5820 m Successful (method err: 4.2%, sensitivity 2σ: 6.0%)
20260413 0.5 Partial success 3.620e+11 1.77e+10 2703–4621 m Successful (method err: 9.7%, sensitivity 2σ: 4.9%)
20260412 -1.0 Not a clear night Not a clear night
20260411 -1.0 Not a clear night Not a clear night
20260410 -1.0 Not a clear night Not a clear night
20260408 0.5 Partial success 4.367e+11 1.37e+10 3183–5580 m Successful (method err: 9.8%, sensitivity 2σ: 3.1%)
20260407 0.5 Partial success 3.668e+11 1.08e+10 1744–5101 m Successful (method err: 5.4%, sensitivity 2σ: 3.0%)
20260406 0.5 Partial success 3.415e+11 1.58e+10 2703–5580 m Successful (method err: 5.6%, sensitivity 2σ: 4.6%)
20260405 -1.0 Not a clear night Not a clear night
20260404 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 Not a clear night Not a clear night
20260330 -1.0 Not a clear night Not a clear night
20260329 0.5 Partial success 3.869e+11 1.67e+10 2703–5580 m Successful (method err: 4.1%, sensitivity 2σ: 4.3%)
20260328 1.0 Successful 4.677e+11 3.38e+10 1984–5820 m Successful (method err: 5.1%, sensitivity 2σ: 7.2%)
20260327 -1.0 Not a clear night Not a clear night
20260326 0.5 Partial success 3.814e+11 1.77e+10 2224–5580 m Successful (method err: 0.2%, sensitivity 2σ: 4.6%)
20260325 -1.0 Not a clear night Not a clear night
20260324 -1.0 Not a clear night Not a clear night
20260323 -1.0 Not a clear night Not a clear night
20260322 1.0 Successful 4.022e+11 9.83e+09 1744–5580 m Successful (method err: 3.6%, sensitivity 2σ: 2.4%)
20260321 0.5 Partial success 4.034e+11 2.19e+10 1984–5820 m Successful (method err: 1.3%, sensitivity 2σ: 5.4%)
20260320 -1.0 Not a clear night Not a clear night
20260319 0.5 Partial success 3.969e+11 1.43e+10 4142–5580 m Successful (method err: 13.5%, sensitivity 2σ: 3.6%)
20260318 1.0 Successful 4.361e+11 2.70e+10 1744–2224 m Successful (method err: 12.6%, sensitivity 2σ: 6.2%)
20260317 -1.0 Not a clear night Not a clear night
20260316 0.5 Partial success 4.232e+11 3.12e+10 2703–6539 m Successful (method err: 11.1%, sensitivity 2σ: 7.4%)
20260315 0.5 Partial success 3.999e+11 3.29e+10 2703–5580 m Successful (method err: 8.3%, 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 5.283e+11 6.04e+10 1744–2224 m Successful (method err: 2.4%, sensitivity 2σ: 11.4%)
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 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260305 -1.0 Not a clear night Not a clear night
20260304 -1.0 Not a clear night Not a clear night
20260303 -1.0 Not a clear night Not a clear night
20260302 -1.0 Not a clear night Not a clear night
20260301 0.5 Partial success 4.859e+11 1.55e+10 1984–4861 m Successful (method err: 8.8%, sensitivity 2σ: 3.2%)
20260228 -1.0 Not a clear night Not a clear night
20260227 -1.0 Not a clear night Not a clear night
20260226 -3.0 Method disagreement Method disagreement: 59.7%
20260225 0.5 Partial success 4.160e+11 1.77e+10 2943–6300 m Successful (method err: 2.4%, sensitivity 2σ: 4.3%)
20260224 -1.0 Not a clear night Not a clear night
20260223 -1.0 Not a clear night Not a clear night
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 -1.0 Not a clear night Not a clear night
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 -1.0 Not a clear night Not a clear night
20260209 -1.0 Not a clear night Not a clear night
20260208 -1.0 Not a clear night Not a clear night
20260207 -1.0 Not a clear night Not a clear night
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 -1.0 Not a clear night Not a clear night
20260202 -1.0 Not a clear night Not a clear night
20260201 -1.0 Not a clear night Not a clear night
20260131 -1.0 Not a clear night Not a clear night
20260130 -1.0 Not a clear night Not a clear night
20260129 0.5 Partial success 3.614e+11 4.26e+10 2224–5580 m Successful (method err: 10.3%, sensitivity 2σ: 11.8%)
20260128 0.5 Partial success 4.116e+11 2.64e+10 1984–5820 m Successful (method err: 7.8%, sensitivity 2σ: 6.4%)
20260127 -1.0 Not a clear night Not a clear night
20260126 -1.0 Not a clear night Not a clear night
20260125 -1.0 Not a clear night Not a clear night
20260124 1.0 Successful 4.471e+11 4.28e+10 2703–6539 m Successful (method err: 3.7%, sensitivity 2σ: 9.6%)
20260123 -1.0 Not a clear night Not a clear night
20260122 -1.0 Not a clear night Not a clear night
20260121 0.0 No data No profiles in nighttime window
20260120 -1.0 Not a clear night Not a clear night
20260119 -1.0 Not a clear night Not a clear night
20260118 -1.0 Not a clear night Not a clear night
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 Successful 3.942e+11 1.40e+10 1744–5580 m Successful (method err: 2.7%, sensitivity 2σ: 3.5%)
20260113 0.5 Partial success 4.032e+11 3.34e+10 1984–5820 m Successful (method err: 6.1%, sensitivity 2σ: 8.3%)
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
20260108 -1.0 Not a clear night Not a clear night
20260107 -1.0 Not a clear night Not a clear night
20260106 0.5 Partial success 4.556e+11 7.99e+09 1984–5820 m Successful (method err: 3.7%, sensitivity 2σ: 1.8%)
20260105 0.5 Partial success 4.223e+11 9.27e+09 1744–5580 m Successful (method err: 8.5%, sensitivity 2σ: 2.2%)
20260104 1.0 Successful 4.207e+11 1.08e+10 2464–6300 m Successful (method err: 4.5%, sensitivity 2σ: 2.6%)
20260103 1.0 Successful 4.187e+11 1.18e+10 2224–6060 m Successful (method err: 11.4%, sensitivity 2σ: 2.8%)
20260102 0.5 Partial success 4.040e+11 1.24e+10 1984–5820 m Successful (method err: 7.0%, sensitivity 2σ: 3.1%)
20260101 0.5 Partial success 3.549e+11 1.48e+10 1744–5580 m Successful (method err: 2.9%, sensitivity 2σ: 4.2%)
20251231 1.0 Successful 3.591e+11 1.77e+10 1744–5580 m Successful (method err: 7.5%, sensitivity 2σ: 4.9%)
20251230 -1.0 Not a clear night Not a clear night
20251229 -1.0 Not a clear night Not a clear night
20251228 -1.0 Not a clear night Not a clear night
20251227 0.5 Partial success 3.933e+11 1.54e+10 1744–5580 m Successful (method err: 3.2%, sensitivity 2σ: 3.9%)
20251226 1.0 Successful 4.135e+11 2.44e+10 1744–5580 m Successful (method err: 2.9%, sensitivity 2σ: 5.9%)
20251225 -1.0 Not a clear night Not a clear night
20251224 -1.0 Not a clear night Not a clear night
20251223 -1.0 Not a clear night Not a clear night
20251222 -1.0 Not a clear night Not a clear night
20251221 -1.0 Not a clear night Not a clear night
20251220 1.0 Successful 4.076e+11 2.58e+10 1984–5820 m Successful (method err: 0.7%, sensitivity 2σ: 6.3%)
20251219 0.5 Partial success 4.157e+11 2.60e+10 1984–5820 m Successful (method err: 2.9%, sensitivity 2σ: 6.2%)
20251218 -1.0 Not a clear night Not a clear night
20251217 0.5 Partial success 4.024e+11 8.44e+09 1744–5580 m Successful (method err: 0.2%, sensitivity 2σ: 2.1%)
20251216 -1.0 Not a clear night Not a clear night
20251215 -1.0 Not a clear night Not a clear night
20251214 -1.0 Not a clear night Not a clear night
20251213 0.5 Partial success 3.751e+11 1.85e+10 1984–5820 m Successful (method err: 8.1%, sensitivity 2σ: 4.9%)
20251212 -1.0 Not a clear night Not a clear night
20251211 -1.0 Not a clear night Not a clear night
20251210 0.5 Partial success 3.843e+11 3.96e+10 2464–6300 m Successful (method err: 5.3%, sensitivity 2σ: 10.3%)
20251209 -1.0 Not a clear night Not a clear night
20251208 0.5 Partial success 3.977e+11 1.69e+10 2464–5820 m Successful (method err: 3.3%, sensitivity 2σ: 4.3%)
20251207 0.5 Partial success 3.945e+11 2.43e+10 1744–5580 m Successful (method err: 5.3%, sensitivity 2σ: 6.2%)
20251206 -1.0 Not a clear night Not a clear night
20251205 -1.0 Not a clear night Not a clear night
20251204 -3.0 Method disagreement Method disagreement: 15.2%
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 0.5 Partial success 4.153e+11 2.90e+10 2464–6300 m Successful (method err: 7.4%, sensitivity 2σ: 7.0%)
20251128 0.5 Partial success 4.682e+11 5.16e+10 1744–5580 m Successful (method err: 9.5%, sensitivity 2σ: 11.0%)
20251127 -1.0 Not a clear night Not a clear night
20251126 1.0 Successful 3.203e+11 1.35e+10 1984–4861 m Successful (method err: 7.0%, sensitivity 2σ: 4.2%)
20251125 -1.0 Not a clear night Not a clear night
20251124 1.0 Successful 3.307e+11 1.89e+10 2224–6060 m Successful (method err: 3.8%, sensitivity 2σ: 5.7%)
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 Successful 3.420e+11 1.91e+10 2224–5101 m Successful (method err: 4.4%, sensitivity 2σ: 5.6%)
20251120 1.0 Successful 3.710e+11 8.53e+09 1984–5820 m Successful (method err: 4.8%, sensitivity 2σ: 2.3%)
20251119 -1.0 Not a clear night Not a clear night
20251118 0.5 Partial success 2.570e+11 2.32e+10 2224–4621 m Successful (method err: 6.0%, sensitivity 2σ: 9.0%)
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 -1.0 Not a clear night Not a clear night
20251112 -1.0 Not a clear night Not a clear night
20251111 0.5 Partial success 3.126e+11 1.08e+10 1744–5101 m Successful (method err: 10.6%, sensitivity 2σ: 3.4%)
20251110 -1.0 Not a clear night Not a clear night
20251109 1.0 Successful 3.224e+11 2.14e+10 1984–5341 m Successful (method err: 6.0%, sensitivity 2σ: 6.6%)
20251108 -1.0 Not a clear night Not a clear night
20251107 -1.0 Not a clear night Not a clear night
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 0.5 Partial success 3.155e+11 2.02e+10 2464–5341 m Successful (method err: 14.5%, sensitivity 2σ: 6.4%)
20251102 0.5 Partial success 3.220e+11 2.00e+10 2464–5341 m Successful (method err: 11.5%, sensitivity 2σ: 6.2%)
20251101 -1.0 Not a clear night Not a clear night
20251031 -1.0 Not a clear night Not a clear night
20251030 0.5 Partial success 3.628e+11 1.70e+10 2224–6060 m Successful (method err: 5.2%, sensitivity 2σ: 4.7%)
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 Successful 3.809e+11 9.27e+09 1984–5820 m Successful (method err: 7.0%, sensitivity 2σ: 2.4%)
20251025 -1.0 Not a clear night Not a clear night
20251024 1.0 Successful 3.599e+11 1.99e+10 1744–4621 m Successful (method err: 12.2%, sensitivity 2σ: 5.5%)
20251023 -1.0 Not a clear night Not a clear night
20251022 0.5 Partial success 3.303e+11 1.52e+10 2224–4621 m Successful (method err: 6.1%, sensitivity 2σ: 4.6%)
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 0.5 Partial success 3.439e+11 1.39e+10 1744–5580 m Successful (method err: 0.7%, sensitivity 2σ: 4.0%)
20251011 -1.0 Not a clear night Not a clear night
20251010 0.5 Partial success 3.444e+11 1.42e+10 3183–6060 m Successful (method err: 2.5%, sensitivity 2σ: 4.1%)
20251009 0.5 Partial success 3.535e+11 3.22e+10 3662–6060 m Successful (method err: 4.6%, sensitivity 2σ: 9.1%)
20251008 -1.0 Not a clear night Not a clear night
20251007 -3.0 Method disagreement Method disagreement: 15.6%
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 -1.0 Not a clear night Not a clear night
20250930 -1.0 Not a clear night Not a clear night
20250929 1.0 Successful 4.285e+11 1.76e+10 2224–6060 m Successful (method err: 0.3%, sensitivity 2σ: 4.1%)
20250928 -1.0 Not a clear night Not a clear night
20250927 -1.0 Not a clear night Not a clear night
20250926 -1.0 Not a clear night Not a clear night
20250925 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250924 1.0 Successful 4.023e+11 2.86e+10 1744–3183 m Successful (method err: 5.1%, sensitivity 2σ: 7.1%)
20250923 1.0 Successful 3.539e+11 1.54e+10 2224–5580 m Successful (method err: 1.3%, sensitivity 2σ: 4.3%)
20250922 1.0 Successful 3.978e+11 2.35e+10 1984–5820 m Successful (method err: 1.7%, sensitivity 2σ: 5.9%)
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 0.5 Partial success 4.176e+11 1.21e+10 2224–6060 m Successful (method err: 2.9%, sensitivity 2σ: 2.9%)
20250913 -1.0 Not a clear night Not a clear night
20250912 0.5 Partial success 4.081e+11 1.60e+10 2224–6060 m Successful (method err: 13.1%, sensitivity 2σ: 3.9%)
20250911 1.0 Successful 4.491e+11 2.59e+10 2464–4382 m Successful (method err: 6.6%, sensitivity 2σ: 5.8%)
20250910 -1.0 Not a clear night Not a clear night
20250909 1.0 Successful 4.435e+11 1.38e+10 2703–6539 m Successful (method err: 0.9%, sensitivity 2σ: 3.1%)
20250908 0.5 Partial success 4.622e+11 1.24e+10 2703–6539 m Successful (method err: 2.0%, sensitivity 2σ: 2.7%)
20250907 0.5 Partial success 4.864e+11 2.36e+10 3662–6539 m Successful (method err: 4.8%, sensitivity 2σ: 4.8%)
20250906 -1.0 Not a clear night Not a clear night
20250905 1.0 Successful 4.244e+11 9.12e+09 2464–4382 m Successful (method err: 0.8%, sensitivity 2σ: 2.1%)
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 Successful 3.810e+11 2.77e+10 2464–6300 m Successful (method err: 14.1%, sensitivity 2σ: 7.3%)
20250831 0.5 Partial success 3.910e+11 4.10e+10 1744–5580 m Successful (method err: 8.3%, sensitivity 2σ: 10.5%)
20250830 -1.0 Not a clear night Not a clear night
20250829 -1.0 Not a clear night Not a clear night
20250828 0.5 Partial success 4.400e+11 1.85e+10 2224–6060 m Successful (method err: 0.4%, sensitivity 2σ: 4.2%)
20250827 -1.0 Not a clear night Not a clear night
20250826 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250825 0.5 Partial success 4.531e+11 4.38e+10 2464–5820 m Successful (method err: 6.9%, sensitivity 2σ: 9.7%)
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 -1.0 Not a clear night Not a clear night
20250818 -1.0 Not a clear night Not a clear night
20250817 1.0 Successful 4.591e+11 2.55e+10 3423–7259 m Successful (method err: 7.9%, sensitivity 2σ: 5.6%)
20250816 -1.0 Not a clear night Not a clear night
20250815 0.5 Partial success 4.661e+11 1.86e+10 2224–3183 m Successful (method err: 6.8%, sensitivity 2σ: 4.0%)
20250814 -1.0 Not a clear night Not a clear night
20250813 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250812 -1.0 Not a clear night Not a clear night
20250811 0.5 Partial success 4.906e+11 5.50e+10 1984–5820 m Successful (method err: 1.6%, sensitivity 2σ: 11.2%)
20250810 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250809 -3.0 Method disagreement Method disagreement: 15.4%
20250808 -1.0 Not a clear night Not a clear night
20250807 -1.0 Not a clear night Not a clear night
20250806 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250805 1.0 Successful 5.300e+11 2.98e+10 1744–5101 m Successful (method err: 7.4%, sensitivity 2σ: 5.6%)
20250804 -1.0 Not a clear night Not a clear night
20250803 0.5 Partial success 4.875e+11 1.46e+10 3662–7019 m Successful (method err: 4.0%, sensitivity 2σ: 3.0%)
20250802 -1.0 Not a clear night Not a clear night
20250801 -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 0.5 Partial success 5.986e+11 7.50e+10 2224–3183 m Successful (method err: 1.3%, sensitivity 2σ: 12.5%)
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 -1.0 Not a clear night Not a clear night
20250718 -1.0 Not a clear night Not a clear night
20250717 0.5 Partial success 5.528e+11 3.62e+10 2224–3183 m Successful (method err: 13.1%, sensitivity 2σ: 6.5%)
20250716 -1.0 Not a clear night Not a clear night
20250715 0.5 Partial success 5.218e+11 2.56e+10 2703–6539 m Successful (method err: 8.8%, sensitivity 2σ: 4.9%)
20250714 -1.0 Not a clear night Not a clear night
20250713 -1.0 Not a clear night Not a clear night
20250712 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250711 0.5 Partial success 4.740e+11 2.40e+10 2703–6060 m Successful (method err: 4.8%, sensitivity 2σ: 5.1%)
20250710 0.5 Partial success 6.608e+11 2.60e+10 1984–3423 m Successful (method err: 6.6%, sensitivity 2σ: 3.9%)
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 0.0 No data No profiles in nighttime window
20250702 -1.0 Not a clear night Not a clear night
20250701 -1.0 Not a clear night Not a clear night
20250630 -1.0 Not a clear night Not a clear night
20250629 -1.0 Not a clear night Not a clear night
20250628 -1.0 Not a clear night Not a clear night
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 -1.0 Not a clear night Not a clear night
20250621 -1.0 Not a clear night Not a clear night
20250620 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250619 -1.0 Not a clear night Not a clear night
20250618 -1.0 Not a clear night Not a clear night
20250617 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250616 -1.0 Not a clear night Not a clear night
20250615 0.5 Partial success 7.195e+11 2.88e+10 1744–2224 m Successful (method err: 3.7%, sensitivity 2σ: 4.0%)
20250614 -1.0 Not a clear night Not a clear night
20250613 -1.0 Not a clear night Not a clear night
20250612 0.5 Partial success 5.019e+11 4.49e+10 3662–5580 m Successful (method err: 4.3%, sensitivity 2σ: 8.9%)
20250611 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 -3.0 Method disagreement Method disagreement: 18.0%
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 0.5 Partial success 5.577e+11 9.50e+09 1744–5580 m Successful (method err: 7.4%, sensitivity 2σ: 1.7%)
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 -3.0 Method disagreement Method disagreement: 18.7%
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 Not a clear night Not a clear night
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 5.089e+11 2.76e+10 1744–5101 m Successful (method err: 9.5%, sensitivity 2σ: 5.4%)
20250515 -1.0 Not a clear night Not a clear night
20250514 0.5 Partial success 5.092e+11 2.18e+10 2464–5820 m Successful (method err: 1.8%, sensitivity 2σ: 4.3%)
20250513 1.0 Successful 5.448e+11 1.94e+10 2464–6300 m Successful (method err: 13.0%, sensitivity 2σ: 3.6%)
20250512 -1.0 Not a clear night Not a clear night
20250511 0.5 Partial success 6.114e+11 4.56e+10 2224–6060 m Successful (method err: 9.9%, sensitivity 2σ: 7.5%)
20250510 1.0 Successful 5.323e+11 4.87e+10 1744–5580 m Successful (method err: 7.7%, sensitivity 2σ: 9.1%)
20250509 0.5 Partial success 5.970e+11 1.92e+10 1744–4621 m Successful (method err: 6.9%, sensitivity 2σ: 3.2%)
20250508 -1.0 Not a clear night Not a clear night
20250507 0.5 Partial success 5.850e+11 2.10e+10 1744–5580 m Successful (method err: 9.0%, sensitivity 2σ: 3.6%)
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 Successful 5.557e+11 3.01e+10 1984–5820 m Successful (method err: 5.8%, sensitivity 2σ: 5.4%)
20250503 -1.0 Not a clear night Not a clear night
20250502 -1.0 Not a clear night Not a clear night
20250501 0.5 Partial success 5.348e+11 2.96e+10 3183–7019 m Successful (method err: 4.0%, sensitivity 2σ: 5.5%)
20250430 0.5 Partial success 5.559e+11 8.63e+09 1744–5580 m Successful (method err: 7.5%, sensitivity 2σ: 1.6%)
20250429 0.5 Partial success 6.414e+11 2.02e+10 2703–6539 m Successful (method err: 4.8%, sensitivity 2σ: 3.1%)
20250428 0.5 Partial success 6.397e+11 2.01e+10 4142–7499 m Successful (method err: 1.4%, sensitivity 2σ: 3.1%)
20250427 -1.0 Not a clear night Not a clear night
20250426 0.5 Partial success 5.046e+11 3.37e+10 3183–6539 m Successful (method err: 13.9%, sensitivity 2σ: 6.7%)
20250425 0.5 Partial success 4.505e+11 2.34e+10 3423–4382 m Successful (method err: 9.6%, sensitivity 2σ: 5.2%)
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 -1.0 Not a clear night Not a clear night
20250418 -1.0 Not a clear night Not a clear night
20250417 0.5 Partial success 5.782e+11 2.06e+10 1744–5580 m Successful (method err: 3.4%, sensitivity 2σ: 3.6%)
20250416 -1.0 Not a clear night Not a clear night
20250415 -1.0 Not a clear night Not a clear night
20250414 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250413 -1.0 Not a clear night Not a clear night
20250412 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250411 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250410 -1.0 Not a clear night Not a clear night
20250409 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250408 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250407 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250406 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250405 1.0 Successful 2.804e+11 2.01e+10 1744–3183 m Successful (method err: 3.4%, sensitivity 2σ: 7.2%)
20250404 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250403 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250402 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250401 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250331 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250330 -1.0 Not a clear night Not a clear night
20250329 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250328 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250327 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250326 -1.0 Not a clear night Not a clear night
20250325 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250320 -1.0 Not a clear night Not a clear night
20250319 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250318 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250317 -1.0 Not a clear night Not a clear night
20250316 -3.0 Method disagreement Method disagreement: 16.4%
20250315 1.0 Successful 2.499e+11 8.09e+09 1744–3662 m Successful (method err: 1.3%, sensitivity 2σ: 3.2%)
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 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250309 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250308 -1.0 Not a clear night Not a clear night
20250307 -1.0 Not a clear night Not a clear night
20250306 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250305 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250304 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250303 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250302 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250301 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250228 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250227 -1.0 Not a clear night Not a clear night
20250226 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250225 -1.0 Not a clear night Not a clear night
20250224 -1.0 Not a clear night Not a clear night
20250223 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250222 -1.0 Not a clear night Not a clear night
20250221 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250220 -1.0 Not a clear night Not a clear night
20250219 -1.0 Not a clear night Not a clear night
20250218 -1.0 Not a clear night Not a clear night
20250217 -1.0 Not a clear night Not a clear night
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 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250205 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250204 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250203 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250202 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250201 -1.0 Not a clear night Not a clear night
20250131 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250125 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
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 -1.0 Not a clear night Not a clear night
20250116 -1.0 Not a clear night Not a clear night
20250115 -1.0 Not a clear night Not a clear night
20250114 -1.0 Not a clear night Not a clear night
20250113 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250112 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250111 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250110 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250109 -1.0 Not a clear night Not a clear night
20250108 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250107 -1.0 Not a clear night Not a clear night
20250106 -1.0 Not a clear night Not a clear night
20250105 -1.0 Not a clear night Not a clear night
20250104 -1.0 Not a clear night Not a clear night
20250103 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250102 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20250101 -1.0 Not a clear night Not a clear night

Instrument monitoring — daily averages: laser power, window transmission, temperatures

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

Observation minus background (CAMS) diagnostic

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

Instrument sensitivity / detection limit diagnostic