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 September 11, Friday	02	1.1 34	602.4 23.72 803.13 803.13		-0.3 -0.01 -0.4 -0.4	100	Wind blowing from the west-northwest	Violent storm (32 m/s) (115 km/h) (72 mph) (62 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.	Fog or ice fog, sky invisible, no appreciable change during the preceding hour.	Fog or ice fog or thick haze.	Fog or ice fog or thick haze.	1.1 34	13.0 55						less than 0.1 less than 0.06	1.1 34
September 10, Thursday	23	3.6 38	602.7 23.73 803.53 803.53		0.2 0.01 0.27 0.27	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 or ice fog, sky invisible, no appreciable change during the preceding hour.	Fog or ice fog or thick haze.	Fog or ice fog or thick haze.								less than 0.1 less than 0.06	3.6 38
	20	5.7 42	602.5 23.72 803.27 803.27			100	Wind blowing from the west-northwest	Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 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.	Fog or ice fog, sky invisible, no appreciable change during the preceding hour.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	5.7 42	9.9 50						less than 0.1 less than 0.06	5.7 42
	17	5.7 42	602.5 23.72 803.27 803.27		-0.6 -0.02 -0.8 -0.8	100	Wind blowing from the west-northwest	Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 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.	Fog or ice fog, sky invisible, no appreciable change during the preceding hour.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	5.7 42	9.9 50						less than 0.1 less than 0.06	5.7 42
	14	8.8 48	603.1 23.74 804.07 804.07			82	Wind blowing from the 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.	Shower(s).	Fog or ice fog or thick haze.	7.7 46	13.0 55	Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	50-100 164-328	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	5.8 42	Trace of precipitation Trace of precipitation	6
	12	9.2 49	603.0 23.74 803.93 803.93			100	Wind blowing from the west	Hurricane (35 m/s) (126 km/h) (78 miles/hour) (68 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 or ice fog, sky invisible, no appreciable change during the preceding hour.	Shower(s).	Fog or ice fog or thick haze.								less than 0.1 less than 0.06	9.2 49
	08	9.8 50	602.8 23.73 803.67 803.67		-0.8 -0.03 -1.07 -1.07	100	Wind blowing from the west	Violent storm (32 m/s) (115 km/h) (72 mph) (62 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.	Fog or ice fog, sky invisible, no appreciable change during the preceding hour.	Shower(s).	Fog or ice fog or thick haze.	9.2 49	12.7 55						less than 0.1 less than 0.06	9.8 50	5.0 0.2	6
	05	11.2 52	603.6 23.76 804.73 804.73			100	Wind blowing from the west	Hurricane (34 m/s) (122 km/h) (76 miles/hour) (66 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 or ice fog, sky invisible, no appreciable change during the preceding hour.	Shower(s).	Fog or ice fog or thick haze.								less than 0.1 less than 0.06	11.2 52
	02	12.7 55	603.7 23.77 804.87 804.87		-1.3 -0.05 -1.73 -1.73	100	Wind blowing from the west	Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 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 shower(s), slight.	Shower(s).	Rain.	4.3 40	12.7 55						less than 0.1 less than 0.06	12.7 55	11.0 0.43	6