| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss |
2025
December 18,
Thursday | 16 | -36.6 -34 | 682.1 26.85 909.39 909.39 | 770.1 30.32 1026.72 1026.72 | | 70 | Calm, no wind | Calm | | | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | | | | | | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -40.1 -40 | | | | | | |
10 | -45.8 -50 | 683.5 26.91 911.26 911.26 | 775.7 30.54 1034.18 1034.18 | | 67 | Calm, no wind | Calm | | | 40%. 4/10. 3 oktas | | | | -48.4 -55 | | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | Altostratus translucidus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -49.2 -57 | No precipitation No precipitation | 12 | | | Even layer of loose dry snow covering ground completely. | 22 8.7 |
04 | -48.4 -55 | 683.0 26.89 910.59 910.59 | 776.0 30.55 1034.58 1034.58 | | 72 | Calm, no wind | Calm | | | 20–30%. 2/10–3/10. 2 oktas | | | | | | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altostratus translucidus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -51.2 -60 | | | | | | |
