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 July 20, Monday	06	15.0 59	663.4 26.12 884.46 884.46	763.3 30.05 1017.65 1017.65	1.1 0.04 1.47 1.47	49	Calm, no wind	Calm			no clouds no clouds no clouds				13.9 57	33.9 93						16.0 9.9	4.4 40
	03	17.8 64	662.3 26.07 882.99 882.99	762.1 30 1016.05 1016.05	0.7 0.03 0.93 0.93	38	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	3.3 38
	00	19.4 67	661.6 26.05 882.06 882.06	761.4 29.98 1015.12 1015.12	1.1 0.04 1.47 1.47	36	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				16.1 61	33.3 92						16.0 9.9	3.9 39
July 19, Sunday	21	26.7 80	660.5 26 880.59 880.59	760.3 29.93 1013.65 1013.65	0.2 0.01 0.27 0.27	23	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											16.0 9.9	3.9 39
	18	32.8 91	660.3 26 880.33 880.33	759.7 29.91 1012.85 1012.85	-0.4 -0.02 -0.53 -0.53	13	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		no clouds no clouds no clouds				16.1 61	33.9 93						16.0 9.9	1.1 34
	15	31.7 89	660.7 26.01 880.86 880.86	760.0 29.92 1013.25 1013.25	-1.2 -0.05 -1.6 -1.6	27		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	10.6 51
	12	27.2 81	661.9 26.06 882.46 882.46	761.3 29.97 1014.98 1014.98	-0.6 -0.02 -0.8 -0.8	42	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				15.0 59	27.2 81						16.0 9.9	13.3 56
	09	18.9 66	662.5 26.08 883.26 883.26	762.4 30.02 1016.45 1016.45	0.4 0.02 0.53 0.53	70	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	13.3 56
	06	17.2 63	662.1 26.07 882.73 882.73	761.8 29.99 1015.65 1015.65	0.5 0.02 0.67 0.67	70	Calm, no wind	Calm			no clouds no clouds no clouds				16.1 61	32.8 91						16.0 9.9	11.7 53