Weather archive in Helena (airport)
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| 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 February 21, Friday | 02 | 2.8 37 | 665.0 26.18 886.59 886.59 | 770.8 30.35 1027.65 1027.65 | 0.0 0 0 0 | 57 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -5.0 23 | ||||||||||||||||
| February 20, Thursday | 23 | 2.2 36 | 665.0 26.18 886.59 886.59 | 771.4 30.37 1028.45 1028.45 | 0.4 0.02 0.53 0.53 | 64 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | -13.3 8 | 3.3 38 | 1000-1500 3281-4921 | 16.0 9.9 | -3.9 25 | |||||||||||||||
20 | 0.6 33 | 664.6 26.17 886.06 886.06 | 771.1 30.36 1028.05 1028.05 | 0.9 0.04 1.2 1.2 | 72 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -3.9 25 | ||||||||||||||||||
17 | -1.7 29 | 663.7 26.13 884.86 884.86 | 770.8 30.35 1027.65 1027.65 | 0.7 0.03 0.93 0.93 | 69 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | -13.3 8 | -1.1 30 | 1000-1500 3281-4921 | 11.0 6.8 | -6.7 20 | ||||||||||||||||
14 | -5.0 23 | 663.0 26.1 883.93 883.93 | 770.2 30.32 1026.85 1026.85 | -0.4 -0.02 -0.53 -0.53 | 68 | Calm, no wind | Calm | no clouds no clouds no clouds | 12.0 7.5 | -10.0 14 | |||||||||||||||||||
11 | -8.9 16 | 663.4 26.12 884.46 884.46 | 771.2 30.36 1028.18 1028.18 | 0.9 0.04 1.2 1.2 | 74 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | -16.7 2 | -8.9 16 | 2000-2500 6562-8202 | 16.0 9.9 | -12.8 9 | ||||||||||||||||
08 | -11.1 12 | 662.5 26.08 883.26 883.26 | 770.5 30.33 1027.25 1027.25 | 0.4 0.02 0.53 0.53 | 84 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Mist. | 1000-1500 3281-4921 | 8.0 5.0 | -13.3 8 | |||||||||||||||||
05 | -12.8 9 | 662.1 26.07 882.73 882.73 | 770.1 30.32 1026.72 1026.72 | 0.7 0.03 0.93 0.93 | 88 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | Mist. | -13.3 8 | -11.7 11 | 1000-1500 3281-4921 | 8.0 5.0 | -14.4 6 | |||||||||||||||
02 | -11.7 11 | 661.4 26.04 881.79 881.79 | 769.4 30.29 1025.78 1025.78 | 0.0 0 0 0 | 88 | Calm, no wind | Calm | no clouds no clouds no clouds | 14.0 8.7 | -13.3 8 | |||||||||||||||||||