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 March 1, Sunday	16	-22.3 -8	598.2 23.55 797.53 797.53			74	Wind blowing from the west-northwest	Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Clouds generally dissolving or becoming less developed.	Fog or ice fog or thick haze.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			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	100-200 328-656	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-25.7 -14
	13	-20.6 -5	597.9 23.54 797.13 797.13		0.1 0 0.13 0.13	76	Wind blowing from the west-northwest	Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft)			40%. 4/10. 3 oktas	Fog or ice fog in patches.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-20.6 -5	-8.5 17	Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas		Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-23.7 -11	0.3 0.01	6
	10	-19.0 -2	597.8 23.54 797 797		-0.2 -0.01 -0.27 -0.27	100	Wind blowing from the north-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, depositing rime, sky invisible.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.								0.1 0.06	-19.0 -2
	07	-14.3 6	598.0 23.54 797.27 797.27		-1.0 -0.04 -1.33 -1.33	100	Wind blowing from the west-northwest	Storm (26 m/s) (94 km/h) (58 miles/hour) (51 mile/hour) (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.	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-14.5 6	-5.2 23						0.1 0.06	-14.3 6	Trace of precipitation Trace of precipitation	6
	04	-12.7 9	599.0 23.58 798.6 798.6		-0.4 -0.02 -0.53 -0.53	70	Wind blowing from the west	Storm (26 m/s) (94 km/h) (58 miles/hour) (51 mile/hour) (10 Bft)			50%. 5/10. 4 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas		Altostratus opacus or Nimbostratus.	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	-17.0 1
	01	-8.5 17	599.4 23.6 799.13 799.13		-0.7 -0.03 -0.93 -0.93	44	Wind blowing from the west	Strong gale (22 m/s) (79 km/h) (49 miles/hour) (43 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	-9.7 15	-5.2 23	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altostratus opacus 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	-18.7 -2
February 28, Saturday	22	-7.4 19	600.1 23.63 800.07 800.07		-1.1 -0.04 -1.47 -1.47	100	Wind blowing from the west-northwest	Strong gale (23 m/s) (83 km/h) (51 mile/hour) (45 knots) (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.	Fog, depositing rime, sky invisible.	Fog or ice fog or thick haze.	Blizzard								less than 0.1 less than 0.06	-7.4 19
	19	-6.7 20	601.2 23.67 801.53 801.53		0.6 0.02 0.8 0.8	96	Wind blowing from the west	Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 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 become thinner during the preceding hour).	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-9.4 15	-5.2 23	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.	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.	0.4 0.3	-7.2 19	0.3 0.01	6
	16	-5.9 21	600.6 23.65 800.73 800.73		0.4 0.02 0.53 0.53	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.	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.								less than 0.1 less than 0.06	-5.9 21