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 25, Friday	02	3.7 39	613.3 24.15 817.67 817.67		-0.9 -0.04 -1.2 -1.2	63	Wind blowing from the east-northeast	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			40%. 4/10. 3 oktas				2.2 36	6.1 43	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 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	-2.8 27
September 24, Thursday	23	3.9 39	614.2 24.18 818.87 818.87		-0.3 -0.01 -0.4 -0.4	85	Wind blowing from the east-northeast	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			40%. 4/10. 3 oktas						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 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	1.6 35
	20	4.4 40	614.5 24.19 819.27 819.27		0.0 0 0 0	67	Wind blowing from the north-east	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas				2.2 36	6.1 43	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 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	-1.2 30
	17	5.4 42	614.5 24.19 819.27 819.27			62	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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 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	-1.3 30
	14	4.5 40	615.1 24.22 820.07 820.07		-0.7 -0.03 -0.93 -0.93	72	Wind blowing from the east-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				0.7 33	5.5 42	Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-0.1 32
	11	3.9 39	615.8 24.24 821 821			54	Wind blowing from the east	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 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	-4.6 24
	05	3.9 39	615.9 24.25 821.13 821.13		0.1 0 0.13 0.13	12	Wind blowing from the east	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				0.7 33	4.8 41	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	-23.0 -9
	02	2.2 36	615.8 24.24 821 821		-0.4 -0.02 -0.53 -0.53	20	Wind blowing from the east	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			no clouds no clouds no clouds				-1.9 29	4.8 41						71.0 44.1	-18.8 -2