Most Precipitation in a 2-Day Period in Mt. Washington History

This is a list of the largest precipitation totals ever recorded over 2 consecutive days in Mt. Washington, New Hampshire history from 1948–2024.
Note: Does not include overlapping periods.
Change num days:
  • Years marked with a gold background have more than 5% incomplete data
Rank Precipitation Date
1 12.1 inches Oct 20–21, 1996
2 12.0 inches Oct 15–16, 2005
3 10.9 inches Feb 10–11, 1970
4 10.8 inches Jun 13–14, 1998
5 10.0 inches Oct 20–21, 1995
6 9.4 inches Sep 16–17, 1999
7 8.2 inches Feb 20–21, 1981
8 8.2 inches Oct 23–24, 1959
9 8.0 inches Jun 29–30, 1973
10 7.9 inches Jul 29–30, 1969
11 7.4 inches Mar 27–28, 1992
12 7.2 inches Dec 14–15, 1968
13 7.1 inches Feb 9–10, 1969
14 7.1 inches Aug 18–19, 1991
15 7.0 inches Nov 7–8, 1963
16 6.8 inches Jan 26–27, 1986
17 6.8 inches Aug 28–29, 2011
18 6.7 inches Nov 12–13, 1968
19 6.5 inches Mar 21–22, 1999
20 6.4 inches Oct 29–30, 2017
Weather Station Details
Years Station Coordinates
1948–2024 Mt. Washington location