Most Precipitation in a 2-Day Period in Guam History
This is a list of the largest precipitation totals ever recorded over 2 consecutive days in
Guam history from 1945–2024.
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 |
24.2 inches |
May 21–22, 1976 |
| 2 |
22.0 inches |
May 24–25, 2023 |
| 3 |
21.5 inches |
Jun 27–28, 2004 |
| 4 |
21.0 inches |
Dec 16–17, 1997 |
| 5 |
20.5 inches |
Dec 8–9, 2002 |
| 6 |
20.2 inches |
Oct 15–16, 1953 |
| 7 |
18.4 inches |
Sep 19–20, 2013 |
| 8 |
14.4 inches |
Aug 28–29, 1992 |
| 9 |
13.6 inches |
Aug 15–16, 2015 |
| 10 |
13.4 inches |
Jul 5–6, 2015 |
| 11 |
12.5 inches |
Sep 6–7, 1950 |
| 12 |
12.5 inches |
Dec 20–21, 1990 |
| 13 |
12.4 inches |
Jul 30–31, 2014 |
| 14 |
11.6 inches |
Jul 4–5, 2002 |
| 15 |
10.5 inches |
Apr 28–29, 1963 |
| 16 |
10.4 inches |
Feb 25–26, 1980 |
| 17 |
9.6 inches |
Sep 10–11, 2018 |
| 18 |
9.3 inches |
Aug 22–23, 2004 |
| 19 |
9.2 inches |
Oct 3–4, 1986 |
| 20 |
9.1 inches |
Jul 4–5, 1986 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1945–2024 |
Guam International Airport |
location |