AVALANCHE LOG AND SUMMIT WEATHER

Thank you Mount Washington Observatory for providing daily weather data from the summit of Mount Washington.

DateMax TempMin TempTotal (SWE)24H Snow & IceWind AvgWind Fastest MileFastest Mile DirAvalanche Activity
12/19/2020 F15 F 0.00 in in17.0 MPH29 MPH 250 (WSW)
12/18/2015 F8 FTrace in25.0 MPH37 MPH 40 (NE)
12/17/2012 F1 F 0.19 in in26.8 MPH47 MPH 80 (E)
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12/16/2014 F-8 FTrace in24.0 MPH72 MPH 310 (NW)
12/15/205 F-16 F 0.01 in in71.0 MPH111 MPH 290 (WNW)
12/14/2023 F5 F 0.03 in in38.6 MPH102 MPH 290 (WNW)
12/13/2034 F14 F 0.09 in in51.0 MPH78 MPH 270 (W)
12/12/2032 F24 F 0.05 in in31.0 MPH58 MPH 170 (S)
12/11/2028 F18 F 0.0 in in44.1 MPH69 MPH 270 (W)
12/10/2018 F10 F 0.24 in in52.7 MPH86 MPH 290 (WNW)
12/09/2015 F10 F 0.01 in in24.9 MPH50 MPH 320 (NW)
12/08/2019 F12 FTrace in20.6 MPH46 MPH 320 (NW)
12/07/2025 F1 FTrace in24.6 MPH82 MPH 310 (NW)
12/06/2011 F-1 F 1.46 in in70.1 MPH104 MPH 280 (W)