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 October 3, Saturday	23	1.1 34	611.5 24.07 815.27 815.27			68	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											71.0 44.1	-4.3 24
	20	1.1 34	611.5 24.07 815.27 815.27		0.3 0.01 0.4 0.4	68	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											71.0 44.1	-4.3 24
	17	2.0 36	611.2 24.06 814.87 814.87		0.9 0.04 1.2 1.2	26	Wind blowing from the west-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				-2.6 27	2.4 36	Cumulus humilis or Cumulus 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	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-15.7 4
	14	1.7 35	610.3 24.03 813.67 813.67		0.4 0.02 0.53 0.53	62	Wind blowing from the north-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			20–30%. 2/10–3/10. 2 oktas	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	-2.6 27	1.7 35	Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas		No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-4.8 23
	11	1.2 34	609.9 24.01 813.13 813.13			44	Wind blowing from the north-northwest	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	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas		No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-9.7 15
	08	-2.6 27	608.3 23.95 811 811		0.7 0.03 0.93 0.93	94	Wind blowing from the north-west	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 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).	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	-2.6 27		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		No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	0.1 0.06	-3.4 26
	05	1.2 34	609.9 24.01 813.13 813.13		3.3 0.13 4.4 4.4	44	Wind blowing from the north-northwest	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	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas		No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-9.7 15
	02	0.6 33	606.6 23.88 808.73 808.73		1.1 0.04 1.47 1.47	83	Wind blowing from the north-northwest	Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	0.4 33	11.5 53	Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas		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	-2.0 28