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
01/02/2123 F12 F 0.37 in 3 in48.4 MPH101 MPH 320 (NW)
01/01/2122 F4 F 0.04 in 0.4 in33.8 MPH57 MPH 310 (NW)
12/31/2025 F4 F 0.38 in 3.4 in60.4 MPH95 MPH 280 (W)
12/30/2023 F0 F 0.15 in 0.9 in50.8 MPH93 MPH 250 (WSW)
12/29/2013 F-11 F 0.29 in 2.4 in71.5 MPH108 MPH 300 (WNW)
12/28/2021 F13 F 0.06 in 1.0 in49.6 MPH83 MPH 260 (W)
12/27/2018 F1 F 0.06 in 0.9 in45.6 MPH84 MPH 290 (WNW)
12/26/2021 F2 F 0.07 in 1.1 in49.3 MPH89 MPH 280 (W)
12/25/2042 F21 F 1.39 in .5 in57 MPH109 MPH 170 (S)
12/24/2035 F17 F .26 in .1 in55.3 MPH109 MPH 170 (S)
12/23/2027 F-2 F .04 in .6 in49.6 MPH92 MPH 290 (WNW)
12/22/2015 F5 F .27 in 3.1 in51.9 MPH101 MPH 280 (W)
12/21/2021 F13 F .01 in .2 in18.6 MPH51 MPH 260 (W)
12/20/2021 F12 F 0.02 in in30.9 MPH59 MPH 220 (SW)