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	21	0.6 33	660.1 25.99 880.06 880.06	764.6 30.1 1019.38 1019.38	0.9 0.04 1.2 1.2	75	Wind blowing from the north-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								1000-1500 3281-4921			16.0 9.9	-3.3 26
	18	2.8 37	659.2 25.95 878.86 878.86	763.3 30.05 1017.65 1017.65	0.3 0.01 0.4 0.4	57	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-1.7 29	3.3 38			1000-1500 3281-4921			16.0 9.9	-5.0 23	0.3 0.01	6
	15	0.0 32	658.9 25.94 878.46 878.46	762.7 30.03 1016.85 1016.85	-0.5 -0.02 -0.67 -0.67	85	Wind blowing from the west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, slight at time of observation.							300-600 984-1968			4.0 2.5	-2.2 28	Trace of precipitation Trace of precipitation	3
	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