Climatological Rankings
Look up monthly U.S., Statewide, Divisional
, and Regional
Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts
Idaho Precipitation Rankings, September 1958
Driest
≤1⁄10
≤1⁄3
Normal
≥1⁄3
≥1⁄10
Wettest
More information on Climatological Rankings
| Period | Amount | 20th Century Average |
Departure | Rank (out of 119 years) |
Record | Wettest/Driest Since |
|---|---|---|---|---|---|---|
| Sep 1958 1-month period |
0.91" (23.11 mm) |
1.05" (26.67 mm) |
-0.14" (-3.56 mm) |
55th Driest | 1987 | Driest since: 1957 |
| 63rd Wettest | 1959, 1940 | Wettest since: 1955 | ||||
| Ties: 1913
| ||||||


