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 | |
| 2025 April 5, Saturday | 14 | -6.0 21 | 603.8 23.77 805 805 | -5.0 -0.2 -6.67 -6.67 | 100 | Wind blowing from the south | 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. | Rain, freezing, slight. | Rain. | Fog or ice fog or thick haze. | 0.1 0.06 | -6.0 21 | ||||||||||||||||
11 | -0.5 31 | 608.8 23.97 811.67 811.67 | -0.3 -0.01 -0.4 -0.4 | 24 | Wind blowing from the south | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 100%. 10/10. 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 other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Altostratus opacus or Nimbostratus. | 71.0 44.1 | -18.7 -2 | ||||||||||||||
08 | 0.4 33 | 609.1 23.98 812.07 812.07 | 0.0 0 0 0 | 31 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Precipitation within sight, not reaching the ground or the surface of the sea. | 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. | -5.4 22 | 0.4 33 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | Altostratus opacus or Nimbostratus. | 71.0 44.1 | -15.0 5 | |||||||||||
05 | 3.3 38 | 609.1 23.98 812.07 812.07 | 0.0 0 0 0 | 15 | variable wind direction | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altostratus translucidus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -20.9 -6 | |||||||||||||||
02 | -0.9 30 | 609.1 23.98 812.07 812.07 | 0.8 0.03 1.07 1.07 | 29 | Wind blowing from the north-northeast | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | 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. | -6.7 20 | 0.2 32 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altostratus translucidus. | Cirrostratus covering the whole sky. | 71.0 44.1 | -16.8 2 | ||||||||||
| April 4, Friday | 23 | -2.6 27 | 608.3 23.95 811 811 | 59 | Wind blowing from the north-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altostratus translucidus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -9.6 15 | ||||||||||||
21 | -2.6 27 | 608.3 23.95 811 811 | 59 | Wind blowing from the north-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altostratus translucidus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -9.6 15 | |||||||||||||
20 | -5.4 22 | 608.2 23.94 810.87 810.87 | 2.5 0.1 3.33 3.33 | 88 | Wind blowing from the north-west | Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Fog or ice fog in patches. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | -6.7 20 | -5.3 22 | 71.0 44.1 | -7.1 19 | |||||||||||||||
17 | -5.6 22 | 605.7 23.85 807.53 807.53 | 1.5 0.06 2 2 | 100 | Wind blowing from the west-northwest | Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 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. | Fog or ice fog or thick haze. | 0.1 0.06 | -5.6 22 | |||||||||||||||||
14 | -5.7 22 | 604.2 23.79 805.53 805.53 | 0.6 0.02 0.8 0.8 | 100 | Wind blowing from the west-northwest | Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 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. | -6.7 20 | -1.0 30 | 0.1 0.06 | -5.7 22 | |||||||||||||||