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 December 5, Friday	16	-17.6 0	597.1 23.51 796.07 796.07			33	Wind blowing from the west	Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 Bft)			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0		Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	71.0 44.1	-30.0 -22
	13	-19.3 -3	597.0 23.5 795.93 795.93			35	Wind blowing from the west-southwest	Gale (19 m/s) (68 km/h) (43 mph) (37 knots) (8 Bft)			50%. 5/10. 4 oktas				-29.4 -21	-19.0 -2	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 translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-30.9 -24
	10	-19.3 -3	598.3 23.56 797.67 797.67		0.7 0.03 0.93 0.93	33	Wind blowing from the south-west	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-31.6 -25
	07	-21.2 -6	597.6 23.53 796.73 796.73		1.3 0.05 1.73 1.73	39	Wind blowing from the west-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				-29.4 -21	-11.3 12	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-31.6 -25
	04	-22.1 -8	596.3 23.48 795 795		0.8 0.03 1.07 1.07	44	Wind blowing from the north-west	Storm (26 m/s) (94 km/h) (58 miles/hour) (51 mile/hour) (10 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						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 fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-31.1 -24
	01	-23.4 -10	595.5 23.44 793.93 793.93		2.2 0.09 2.93 2.93	62	Wind blowing from the north-west	Hurricane (35 m/s) (126 km/h) (78 miles/hour) (68 knots) (12 Bft)			no clouds no clouds no clouds	Fog or ice fog.	Fog or ice fog or thick haze.	Blizzard	-29.4 -21	-11.3 12						71.0 44.1	-28.6 -19
December 4, Thursday	22	-29.0 -20	593.3 23.36 791 791			100	Wind blowing from the west-northwest	Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 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.	Fog or ice fog or thick haze.	Blizzard								0.1 0.06	-29.0 -20
	19	-25.4 -14	593.7 23.37 791.54 791.54		2.1 0.08 2.8 2.8	100	Wind blowing from the west-northwest	Hurricane (40 m/s) (144 km/h) (89 miles/hour) (78 knots) (12 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.	Heavy blowing snow generally high (above eye level). Depth of newly fallen snow is 3 cm. 1.2 inches.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-25.4 -14	-12.1 10						less than 0.1 less than 0.06	-25.4 -14	2.0 0.08	6
	16	-21.7 -7	591.6 23.29 788.74 788.74		0.5 0.02 0.67 0.67	100	Wind blowing from the west-northwest	Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 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	-21.7 -7