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 16, Monday	01	-9.4 15	604.6 23.8 806.07 806.07		-0.9 -0.04 -1.2 -1.2	79	Wind blowing from the south	Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft)			100%. 10/10. 8 oktas	Fog or ice fog in patches.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-16.4 2	-9.0 16	Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas				71.0 44.1	-12.4 10
March 15, Sunday	22	-11.1 12	605.5 23.84 807.27 807.27		-0.8 -0.03 -1.07 -1.07	66	Wind blowing from the south	Strong gale (22 m/s) (79 km/h) (49 miles/hour) (43 knots) (9 Bft)			100%. 10/10. 8 oktas	Fog or ice fog in patches.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas				71.0 44.1	-16.3 3
	19	-12.1 10	606.3 23.87 808.33 808.33		0.4 0.02 0.53 0.53	79	Wind blowing from the south	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			100%. 10/10. 8 oktas	Clouds generally forming or developing.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-16.4 2	-9.0 16	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas				71.0 44.1	-15.0 5	Trace of precipitation Trace of precipitation	6
	16	-10.5 13	605.9 23.85 807.8 807.8		-0.8 -0.03 -1.07 -1.07	96	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas	Fog or ice fog in patches.	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.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas		Altostratus opacus or Nimbostratus.		71.0 44.1	-11.0 12
	13	-9.7 15	606.7 23.89 808.87 808.87		-0.3 -0.01 -0.4 -0.4	44	Wind blowing from the south-southwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-16.4 2	-9.0 16	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas		Altostratus opacus or Nimbostratus.		71.0 44.1	-19.9 -4
	10	-10.4 13	607.0 23.9 809.27 809.27		1.2 0.05 1.6 1.6	32	Wind blowing from the west-northwest	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			100%. 10/10. 8 oktas	Precipitation within sight, not reaching the ground or the surface of the sea.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 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		Altostratus opacus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-24.2 -12
	09	-14.4 6	605.8 23.85 807.67 807.67			40	Wind blowing from the north-west	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)			60%. 6/10. 5 oktas	Clouds generally forming or developing. 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.	-16.4 2		Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas		Altocumulus cumulogenitus (or cumulonimbogenitus).	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	-25.1 -13	0.3 0.01	6
	07	-14.4 6	605.8 23.85 807.67 807.67			40	Wind blowing from the north-west	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)			60%. 6/10. 5 oktas	Clouds generally forming or developing. 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.	-16.4 2		Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas		Altocumulus cumulogenitus (or cumulonimbogenitus).	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	-25.1 -13	0.3 0.01	6
	05	-16.2 3	603.1 23.74 804.07 804.07			100	Wind blowing from the west-northwest	Gale (19 m/s) (68 km/h) (43 mph) (37 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.	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	-16.2 3
	04	-16.2 3	603.1 23.74 804.07 804.07			100	Wind blowing from the west-northwest	Gale (19 m/s) (68 km/h) (43 mph) (37 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.	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	-16.2 3
	01	-15.3 4	601.7 23.69 802.2 802.2			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. 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.	-15.3 4	-8.4 17						less than 0.1 less than 0.06	-15.3 4	4.0 0.16	6