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
12/21/1844 F33 F 1.98 in 0 in59.3 MPH105 MPH

160 (SSE)

12/20/1838 F22 F 0 in 0 in31.4 MPH60 MPH

300 (WNW)

12/19/1822 F3 F 0 in 0 in67 MPH100 MPH

320 (NW)

12/18/1811 F-9 F 0.09 in 1.4 in74.8 MPH117 MPH

330 (NNW)

12/17/1827 F-2 F 0.30 in 2.8 in40.5 MPH106 MPH

300 (WNW)

12/16/1832 F17 F 0 in 0 in31.7 MPH57 MPH

120 (ESE)

12/15/1829 F15 F 0 in 0 in48 MPH86 MPH

280 (W)

12/14/1825 F16 F 0.18 in 1.3 in42.9 MPH76 MPH

270 (W)

12/13/1817 F11 F 0 in 0 in15 MPH46 MPH

260 (W)

12/12/1812 F-6 F 0.14 in 2.4 in41.3 MPH83 MPH

320 (NW)

12/11/1813 F2 FTrace Trace 26.5 MPH44 MPH

240 (WSW)

12/10/1813 F-2 F 0.05 in 0.4 in48.5 MPH85 MPH

300 (WNW)

12/09/188 F-6 F 0.10 in 0.7 in54.5 MPH84 MPH

290 (WNW)

12/08/18-4 F-12 F 0.01 in 0.1 in46.6 MPH79 MPH

290 (WNW)

12/07/189 F-11 F 0.28 in 2.6 in51 MPH72 MPH

300 (WNW)

12/06/189 F3 F 0.13 in 1.3 in43.3 MPH70 MPH

280 (W)

12/05/189 F-3 FTrace Trace 19.4 MPH67 MPH

320 (NW)

12/04/186 F-5 F 0.08 in 1.6 in60.5 MPH97 MPH

320 (NW)

12/03/1831 F4 F 0.42 in 3.3 in55.2 MPH101 MPH

290 (WNW)

12/02/1836 F19 F 0.62 in 1.5 in38.4 MPH69 MPH

190 (S)

11/30/1825 F18 F 0 in 0 in4.3 MPH15 MPH

300 (WNW)

11/29/1823 F10 F 0.13 in 1.9 in40.5 MPH85 MPH

340 (NNW)

11/28/1816 F11 F 0.20 in 2.5 in29.4 MPH58 MPH

330 (NNW)

11/27/1818 F12 F 0.78 in 6.8 in43 MPH96 MPH

90 (E)

11/24/1831 F21 F 0 in 0 in31.3 MPH64 MPH

280 (W)

11/21/1810 F-20 F 0.57 in 4.5 in58.7 MPH97 MPH

300 (WNW)

11/17/1816 F6 F 0.15 in 2.1 in63.5 MPH100 MPH

280 (W)

11/14/18-4 F-12 F 0.10 in 1 in67.4 MPH113 MPH

290 (WNW)