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
2023 March 29, Wednesday	20	-8.3 17	598.5 23.56 797.93 797.93		-0.4 -0.02 -0.53 -0.53	76	Wind blowing from the south-southwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				-13.0 9	-6.2 21	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	300-600 984-1968	Altostratus opacus 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	-11.9 11
	17	-8.7 16	596.9 23.5 795.8 795.8		-3.3 -0.13 -4.4 -4.4	86	Wind blowing from the south-southwest	Near gale (15 m/s) (54 km/h) (34 mph) (29 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	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.			Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	100-200 328-656	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.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-10.6 13
	14	-7.3 19	600.2 23.63 800.2 800.2		-0.7 -0.03 -0.93 -0.93	57	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 oktas				-13.5 8	-6.8 20	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	300-600 984-1968	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	-14.4 6
	11	-10.1 14	600.9 23.66 801.13 801.13			50	Wind blowing from the north-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			20–30%. 2/10–3/10. 2 oktas						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	300-600 984-1968	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	-18.6 -1
	07	-12.0 10	600.4 23.64 800.47 800.47			51	Wind blowing from the north-west	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			40%. 4/10. 3 oktas				-13.5 8		Cumulus humilis or Cumulus fractus other than of bad weather, or both.	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	-20.1 -4
	05	-12.4 10	599.4 23.6 799.13 799.13		-0.3 -0.01 -0.4 -0.4	51	Wind blowing from the north-west	Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft)			40%. 4/10. 3 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	50%. 5/10. 4 oktas		Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-20.6 -5
	02	-12.8 9	599.7 23.61 799.53 799.53			72	Wind blowing from the north-west	Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft)			60%. 6/10. 5 oktas	Fog or ice fog. 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.	-13.5 8	-8.3 17	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	70 – 80%. 7/10 – 8/10. 6 oktas		Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-16.9 2	0.3 0.01	6