Most Precipitation in a 7-Day Period in Mt. Washington History

This is a list of the largest precipitation totals ever recorded over 7 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 17.5 inches Oct 14–20, 2005
2 15.7 inches Jun 12–18, 1998
3 13.1 inches Oct 20–26, 1996
4 12.9 inches Feb 20–26, 1981
5 12.9 inches Feb 9–15, 1970
6 12.9 inches Oct 24–30, 2017
7 12.3 inches May 28 – Jun 3, 1984
8 11.6 inches Jul 27 – Aug 2, 1969
9 11.3 inches Nov 8–14, 1968
10 10.7 inches Oct 21–27, 1995
11 10.6 inches Jun 27 – Jul 3, 1973
12 10.5 inches Sep 15–21, 1999
13 10.4 inches Mar 16–22, 1974
14 10.3 inches Nov 2–8, 1969
15 10.1 inches Nov 1–7, 1988
16 9.6 inches Jul 13–19, 1996
17 9.4 inches Nov 2–8, 1963
18 9.3 inches Feb 26 – Mar 4, 1969
19 8.9 inches Oct 20–26, 1959
20 8.9 inches Aug 7–13, 1990
Weather Station Details
Years Station Coordinates
1948–2024 Mt. Washington location