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
12/14/2023 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)
12/05/2020 F11 F 1.79 in in36.8 MPH93 MPH 350 (N)
12/04/2021 F17 F 0.15 in in43.8 MPH73 MPH 260 (W)
12/03/2022 F6 F 0.06 in in54.3 MPH100 MPH 290 (WNW)
12/02/2019 F7 F 0.14 in in33.3 MPH4 MPH 280 (W)
12/01/2043 F19 F 0.25 in in43.5 MPH89 MPH 160 (SSE)