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 | |
| 2024 December 22, Sunday | 17 | 5.0 41 | 661.4 26.04 881.79 881.79 | 764.9 30.11 1019.78 1019.78 | 0.9 0.04 1.2 1.2 | 55 | 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 | -0.5 31 | 8.9 48 | 1500-2000 4921-6562 | 16.0 9.9 | -3.3 26 | |||||||||||||||
14 | 8.9 48 | 660.5 26 880.59 880.59 | 763.2 30.05 1017.52 1017.52 | -0.9 -0.04 -1.2 -1.2 | 37 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -5.0 23 | ||||||||||||||||||
11 | 7.2 45 | 661.4 26.04 881.79 881.79 | 765.4 30.13 1020.45 1020.45 | 1.1 0.04 1.47 1.47 | 44 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -1.0 30 | 7.2 45 | 1500-2000 4921-6562 | 16.0 9.9 | -4.4 24 | ||||||||||||||||
08 | 2.8 37 | 660.3 26 880.33 880.33 | 764.8 30.11 1019.65 1019.65 | -0.4 -0.02 -0.53 -0.53 | 62 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -3.9 25 | |||||||||||||||||||
05 | 3.3 38 | 660.7 26.01 880.86 880.86 | 764.9 30.11 1019.78 1019.78 | 0.6 0.02 0.8 0.8 | 65 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | -1.7 29 | 4.4 40 | 16.0 9.9 | -2.8 27 | |||||||||||||||||
02 | 6.7 44 | 660.1 25.99 880.06 880.06 | 763.3 30.05 1017.65 1017.65 | 0.9 0.04 1.2 1.2 | 55 | Wind blowing from the west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | |||||||||||||||||
| December 21, Saturday | 23 | -0.6 31 | 659.2 25.95 878.86 878.86 | 763.6 30.06 1018.05 1018.05 | 0.7 0.03 0.93 0.93 | 89 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | -2.8 27 | 1.1 34 | 2000-2500 6562-8202 | 16.0 9.9 | -2.2 28 | |||||||||||||||
20 | -0.6 31 | 658.5 25.93 877.93 877.93 | 763.3 30.05 1017.65 1017.65 | -0.7 -0.03 -0.93 -0.93 | 89 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
17 | 0.6 33 | 659.2 25.95 878.86 878.86 | 763.7 30.07 1018.18 1018.18 | -2.0 -0.08 -2.67 -2.67 | 78 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | -2.8 27 | 2.2 36 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.8 27 | ||||||||||||||||