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
2025 February 22, Saturday	01	-22.4 -8	597.9 23.54 797.13 797.13			71	Wind blowing from the west-northwest	Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour.	Fog or ice fog or thick haze.	Blizzard	-22.4 -8	-14.5 6	Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Less than 50 Less than 50	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	0.1 0.06	-26.3 -15
February 21, Friday	19	-18.2 -1	598.2 23.55 797.53 797.53		1.4 0.06 1.87 1.87	79	Wind blowing from the north-west	Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour.	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.	-19.0 -2	-14.8 5	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas		Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	0.1 0.06	-21.0 -6
	16	-15.6 4	596.8 23.5 795.67 795.67		1.0 0.04 1.33 1.33	45	Wind blowing from the north-northwest	Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas		Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-24.9 -13
	13	-16.0 3	595.8 23.46 794.33 794.33		1.3 0.05 1.73 1.73	47	Wind blowing from the north-northwest	Strong gale (22 m/s) (79 km/h) (49 miles/hour) (43 knots) (9 Bft)			60%. 6/10. 5 oktas	Clouds generally dissolving or becoming less developed.	Fog or ice fog or thick haze.	Blizzard	-19.0 -2	-14.5 6	Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas		Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-24.7 -12
	10	-14.8 5	594.5 23.41 792.6 792.6		1.2 0.05 1.6 1.6	38	Wind blowing from the north-west	Strong gale (23 m/s) (83 km/h) (51 mile/hour) (45 knots) (9 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally dissolving or becoming less developed.	Fog or ice fog or thick haze.	Blizzard			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	70 – 80%. 7/10 – 8/10. 6 oktas		Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus 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	-25.9 -15
	07	-19.0 -2	593.3 23.36 791 791		1.1 0.04 1.47 1.47	100	Wind blowing from the north-west	Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 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.	Fog, depositing rime, sky invisible. 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.	-19.0 -2	-9.9 14						0.1 0.06	-19.0 -2	0.8 0.03	6
	04	-17.9 -0	592.2 23.31 789.54 789.54		0.8 0.03 1.07 1.07	100	Wind blowing from the north-west	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (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.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.								0.1 0.06	-17.9 -0
	01	-15.9 3	591.4 23.28 788.47 788.47			100	Wind blowing from the north-west	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.	-15.9 3	-9.9 14						0.1 0.06	-15.9 3	0.5 0.02	6