Weather archive on Mount Washington (AWS)

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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 13, Monday	08	3.4 38	604.7 23.81 806.2 806.2		-0.2 -0.01 -0.27 -0.27	100	Wind blowing from the west	Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Rain.	-6.3 21	3.4 38	Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	Less than 50 Less than 50			0.2 0.1	3.4 38	7.0 0.28	6
	05	1.6 35	604.9 23.81 806.47 806.47		-1.2 -0.05 -1.6 -1.6	100	Wind blowing from the west	Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Rain, not freezing, continuous, slight at time of observation.	Rain.	Fog or ice fog or thick haze.								less than 0.1 less than 0.06	1.6 35
	02	-0.2 32	606.1 23.86 808.07 808.07		-0.6 -0.02 -0.8 -0.8	100	Wind blowing from the west-southwest	Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Rain, freezing, slight. Depth of newly fallen snow is 1 cm. 0.4 inches.	Snow and/or other types of solid precipitation	Rain.	-12.2 10	-0.1 32						less than 0.1 less than 0.06	-0.2 32	2.0 0.08	6
April 12, Sunday	23	-5.4 22	606.7 23.89 808.87 808.87		-0.6 -0.02 -0.8 -0.8	93	Wind blowing from the south-west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas				0.8 0.5	-6.4 20
	20	-4.5 24	607.3 23.91 809.67 809.67			100	Wind blowing from the west-southwest	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 1 cm. 0.4 inches.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-12.2 10	-1.7 29						less than 0.1 less than 0.06	-4.5 24	0.8 0.03	6
	17	-4.5 24	607.3 23.91 809.67 809.67		-2.2 -0.09 -2.93 -2.93	100	Wind blowing from the west-southwest	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 1 cm. 0.4 inches.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-12.2 10	-1.7 29						less than 0.1 less than 0.06	-4.5 24	0.8 0.03	6
	14	-2.2 28	609.5 24 812.6 812.6		-0.6 -0.02 -0.8 -0.8	60	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				-12.2 10	-1.7 29	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	1500-2000 4921-6562	Altostratus translucidus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	71.0 44.1	-9.1 16
	11	-2.5 28	610.1 24.02 813.4 813.4		1.3 0.05 1.73 1.73	28	Wind blowing from the north-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus opacus or Nimbostratus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	71.0 44.1	-18.7 -2
	08	-10.0 14	608.8 23.97 811.67 811.67		1.3 0.05 1.73 1.73	66	Wind blowing from the north-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	-12.2 10		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	71.0 44.1	-15.3 4