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
2024 December 21, Saturday	04	-14.8 5	592.8 23.34 790.34 790.34		-0.6 -0.02 -0.8 -0.8	100	Wind blowing from the north-northwest	Near gale (15 m/s) (54 km/h) (34 mph) (29 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.	Shower(s).	Snow and/or other types of solid precipitation								0.1 0.06	-14.8 5
2024 December 21, Saturday	01	-13.4 8	593.4 23.36 791.14 791.14		-1.9 -0.07 -2.53 -2.53	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 2 cm. 0.8 inches.	Shower(s).	Snow and/or other types of solid precipitation								0.1 0.06	-13.4 8	1.0 0.04	6
December 20, Friday	22	-12.3 10	595.3 23.44 793.67 793.67		-2.0 -0.08 -2.67 -2.67	100	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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.	Shower(s).	Snow and/or other types of solid precipitation								0.2 0.1	-12.3 10
	19	-12.1 10	597.3 23.52 796.33 796.33		-0.7 -0.03 -0.93 -0.93	84	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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. Depth of newly fallen snow is 1 cm. 0.4 inches.	Shower(s).	Fog or ice fog or thick haze.	-15.4 4	-9.5 15	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		Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-14.3 6	0.8 0.03	6
	16	-12.3 10	598.0 23.54 797.27 797.27		-0.8 -0.03 -1.07 -1.07	100	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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.	Cloud covering more than 1/2 of the sky throughout the appropriate period.								0.2 0.1	-12.3 10
	13	-12.2 10	598.8 23.57 798.33 798.33		-2.4 -0.09 -3.2 -3.2	92	Wind blowing from the west-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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.	Shower(s).	Fog or ice fog or thick haze.	-15.4 4	-12.2 10						0.1 0.06	-13.2 8	0.3 0.01	6
	10	-12.6 9	601.2 23.67 801.53 801.53		0.0 0 0 0	100	Wind blowing from the west-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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.	Cloud covering more than 1/2 of the sky throughout the appropriate period.								0.1 0.06	-12.6 9
	07	-15.0 5	601.2 23.67 801.53 801.53		-0.1 -0 -0.13 -0.13	51	Wind blowing from the west-southwest	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-15.0 5	-7.0 19	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas		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 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	-23.0 -9
	04	-13.9 7	601.3 23.67 801.67 801.67		-0.2 -0.01 -0.27 -0.27	33	Wind blowing from the west-southwest	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			100%. 10/10. 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1000-1500 3281-4921	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.	Cirrostratus covering the whole sky.	71.0 44.1	-26.7 -16