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
2026 April 23, Thursday	12	-1.7 29	659.4 25.96 879.13 879.13	763.4 30.06 1017.78 1017.78	0.7 0.03 0.93 0.93	85	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	Continuous fall of snowflakes, slight at time of observation.			-2.2 28	5.0 41			300-600 984-1968			2.8 1.7	-3.9 25	4.0 0.16	6
	09	0.0 32	658.7 25.93 878.19 878.19	762.0 30 1015.92 1015.92	2.0 0.08 2.67 2.67	82	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	-2.8 27	2.0 0.08	3
	06	0.6 33	656.7 25.85 875.53 875.53	759.1 29.89 1012.05 1012.05	0.9 0.04 1.2 1.2	96	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	Continuous fall of snowflakes, slight at time of observation.			0.6 33	20.0 68			200-300 656-984			4.8 3.0	0.0 32	6.0 0.24	6
	03	3.9 39	655.8 25.82 874.33 874.33	757.0 29.8 1009.25 1009.25	0.9 0.04 1.2 1.2	89	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.							300-600 984-1968			12.0 7.5	2.2 36	2.0 0.08	3
	00	5.0 41	654.9 25.78 873.13 873.13	755.6 29.75 1007.38 1007.38	1.9 0.07 2.53 2.53	86	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.			4.4 40	17.2 63			600-1000 1968-3281			12.0 7.5	2.8 37	2.0 0.08	6
April 22, Wednesday	21	8.9 48	653.0 25.71 870.6 870.6	753.9 29.68 1005.12 1005.12	2.5 0.1 3.33 3.33	54	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft		100%. 10/10. 8 oktas								1000-1500 3281-4921			16.0 9.9	0.0 32	Trace of precipitation Trace of precipitation	3
	18	12.2 54	650.5 25.61 867.26 867.26	751.1 29.57 1001.38 1001.38	1.3 0.05 1.73 1.73	49	Wind blowing from the west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		70 – 80%. 7/10 – 8/10. 6 oktas				7.2 45	20.0 68			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	1.7 35
	15	16.7 62	649.2 25.56 865.53 865.53	748.7 29.48 998.18 998.18	0.0 0 0 0	38	Wind blowing from the west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)	17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft		50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	2.2 36
	12	18.3 65	649.2 25.56 865.53 865.53	748.0 29.45 997.25 997.25	0.2 0.01 0.27 0.27	23	Wind blowing from the south-southeast	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft		20–30%. 2/10–3/10. 2 oktas				5.6 42	20.0 68			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	-3.3 26