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
Northwest Precipitation Rankings, September 1987
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 1987 1-month period |
0.22" (5.59 mm) |
1.21" (30.73 mm) |
-0.99" (-25.14 mm) |
6th Driest | 1975 | Driest since: 1975 |
| 112th Wettest | 1959 | Wettest since: 1986 | ||||
| Ties: 1943
| ||||||


