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 December 11, Thursday | 16 | -20.7 -5 | 582.0 22.91 775.94 775.94 | 0.1 0 0.13 0.13 | 100 | Wind blowing from the west | Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 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. | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | less than 0.1 less than 0.06 | -20.7 -5 | ||||||||||||||||
13 | -18.3 -1 | 581.9 22.91 775.8 775.8 | -1.0 -0.04 -1.33 -1.33 | 100 | Wind blowing from the west | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 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. | Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 1 cm. 0.4 inches. | Shower(s). | Snow and/or other types of solid precipitation | -18.3 -1 | -8.7 16 | less than 0.1 less than 0.06 | -18.3 -1 | 1.0 0.04 | 6 | |||||||||||||
10 | -16.3 3 | 582.9 22.95 777.14 777.14 | 0.2 0.01 0.27 0.27 | 100 | Wind blowing from the west | Violent storm (32 m/s) (115 km/h) (72 mph) (62 knots) (11 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. | Continuous fall of snowflakes, slight at time of observation. | Shower(s). | Snow and/or other types of solid precipitation | less than 0.1 less than 0.06 | -16.3 3 | |||||||||||||||||
07 | -14.9 5 | 582.7 22.94 776.87 776.87 | -0.1 -0 -0.13 -0.13 | 100 | Wind blowing from the west | Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 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. | Snow shower(s), slight. Depth of newly fallen snow is 2 cm. 0.8 inches. | Shower(s). | Snow and/or other types of solid precipitation | -14.9 5 | -7.7 18 | less than 0.1 less than 0.06 | -14.9 5 | 2.0 0.08 | 6 | |||||||||||||
04 | -9.6 15 | 582.8 22.94 777 777 | 100 | Wind blowing from the west | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 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. | Snow shower(s), slight. | Shower(s). | Snow and/or other types of solid precipitation | less than 0.1 less than 0.06 | -9.6 15 | ||||||||||||||||||
01 | -9.6 15 | 582.8 22.94 777 777 | -0.9 -0.04 -1.2 -1.2 | 100 | Wind blowing from the west | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 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. | Snow shower(s), slight. | Shower(s). | Snow and/or other types of solid precipitation | less than 0.1 less than 0.06 | -9.6 15 | |||||||||||||||||
| December 10, Wednesday | 22 | -9.0 16 | 583.7 22.98 778.2 778.2 | -1.9 -0.07 -2.53 -2.53 | 100 | Wind blowing from the west-southwest | 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. | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | less than 0.1 less than 0.06 | -9.0 16 | ||||||||||||||||
19 | -8.3 17 | 585.6 23.06 780.74 780.74 | -0.3 -0.01 -0.4 -0.4 | 100 | Wind blowing from the west-southwest | Strong gale (23 m/s) (83 km/h) (51 mile/hour) (45 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. | Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 4 cm. 1.6 inches. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | -16.4 2 | -7.7 18 | less than 0.1 less than 0.06 | -8.3 17 | 4.0 0.16 | 6 | |||||||||||||
16 | -10.1 14 | 585.9 23.07 781.14 781.14 | -2.2 -0.09 -2.93 -2.93 | 100 | Wind blowing from the south-southwest | Gale (19 m/s) (68 km/h) (43 mph) (37 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. | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | less than 0.1 less than 0.06 | -10.1 14 | |||||||||||||||||