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 April 10, Friday	02	1.3 34	609.8 24.01 813 813		-0.5 -0.02 -0.67 -0.67	84	Wind blowing from the west	Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-6.8 20	1.5 35	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	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	-1.1 30
April 9, Thursday	23	0.5 33	610.3 24.03 813.67 813.67		0.5 0.02 0.67 0.67	78	Wind blowing from the west	Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	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 not progressively invading the sky and not entirely covering it.	71.0 44.1	-3.0 27
	20	-2.0 28	609.8 24.01 813 813			51	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-6.8 20	1.0 34	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	-10.9 12
	19	-2.0 28	609.8 24.01 813 813			51	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-6.8 20	1.0 34	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	-10.9 12
	17	-2.2 28	610.2 24.02 813.53 813.53			51	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			60%. 6/10. 5 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	2000-2500 6562-8202	Altostratus translucidus.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	-11.1 12
	14	-1.6 29	610.9 24.05 814.47 814.47		-0.6 -0.02 -0.8 -0.8	43	Wind blowing from the south-southwest	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			40%. 4/10. 3 oktas				-10.3 13	-1.0 30	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	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	-12.7 9
	12	-3.4 26	611.5 24.07 815.27 815.27			39	Wind blowing from the south-west	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas						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	-15.4 4
	11	-3.4 26	611.5 24.07 815.27 815.27		-0.5 -0.02 -0.67 -0.67	39	Wind blowing from the south-west	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas						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	-15.4 4
	08	-3.3 26	612.0 24.09 815.93 815.93		0.2 0.01 0.27 0.27	34	Wind blowing from the west-southwest	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				-9.9 14	-3.3 26	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	300-600 984-1968	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-17.0 1
	05	-5.0 23	611.8 24.09 815.67 815.67			36	Wind blowing from the west	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						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		Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-17.9 -0
	02	-6.7 20	611.3 24.07 815 815		0.4 0.02 0.53 0.53	37	Wind blowing from the west	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					-6.6 20	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	1000-1500 3281-4921	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-19.0 -2