Most Precipitation in a 2-Day Period in Casper History
This is a list of the largest precipitation totals ever recorded over 2 consecutive days in
Casper, Wyoming history from 1900–2024.
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 |
3.5 inches |
Apr 20–21, 1933 |
| 2 |
3.2 inches |
May 17–18, 1978 |
| 3 |
3.0 inches |
Apr 19–20, 1974 |
| 4 |
3.0 inches |
Sep 28–29, 1923 |
| 5 |
2.6 inches |
Jul 25–26, 1901 |
| 6 |
2.5 inches |
Oct 5–6, 1962 |
| 7 |
2.3 inches |
Jun 14–15, 1982 |
| 8 |
2.3 inches |
May 29–30, 1971 |
| 9 |
2.3 inches |
Oct 16–17, 1998 |
| 10 |
2.3 inches |
Jul 11–12, 1937 |
| 11 |
2.3 inches |
May 15–16, 1991 |
| 12 |
2.3 inches |
Jun 15–16, 2003 |
| 13 |
2.3 inches |
May 5–6, 2007 |
| 14 |
2.2 inches |
May 17–18, 2000 |
| 15 |
2.2 inches |
Aug 2–3, 2007 |
| 16 |
2.2 inches |
May 10–11, 1922 |
| 17 |
2.2 inches |
Jul 5–6, 1926 |
| 18 |
2.2 inches |
Jun 19–20, 1986 |
| 19 |
2.1 inches |
Oct 3–4, 2013 |
| 20 |
2.1 inches |
Apr 5–6, 1922 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1949–2024 |
Casper-Natrona County International Airport |
location |
| 1900–1948 |
Casper 2 E |
location |