NOAA's National Centers for Environmental Information
Divisional Rankings
Oregon, Climate Division 1
December 1959 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 1959 1-Month | -2.17 | -0.20 | -1.97 | 18th Driest | Driest since: | 2013 |
| 113th Wettest | Wettest since: | 2015 | ||||
| Ties: 1898 | ||||||
| Nov– 2-Month | -2.40 | -0.04 | -2.36 | 4th Driest | Driest since: | 2013 |
| 127th Wettest | Wettest since: | 1973 | ||||
| Oct– 3-Month | -1.82 | -0.11 | -1.71 | 6th Driest | Driest since: | 2013 |
| 125th Wettest | Wettest since: | 2016 | ||||
| Sep– 4-Month | -0.33 | -0.05 | -0.28 | 51st Driest | Driest since: | 1976 |
| 80th Wettest | Wettest since: | 1973 | ||||
| Ties: 1954 | ||||||
| Aug– 5-Month | -0.38 | -0.07 | -0.31 | 52nd Driest | Driest since: | 1936 |
| 79th Wettest | Wettest since: | 1968 | ||||
| Ties: 1919 | ||||||
| Jul– 6-Month | -0.22 | -0.07 | -0.15 | 64th Driest | Driest since: | 2018 |
| 67th Wettest | Wettest since: | 1920 | ||||
| Jun– 7-Month | -0.10 | -0.06 | -0.04 | 73rd Driest | Driest since: | 2018 |
| 58th Wettest | Wettest since: | 1920 | ||||
| Ties: 1945 | ||||||
| May– 8-Month | -0.07 | -0.05 | -0.02 | 71st Driest | Driest since: | 2018 |
| 60th Wettest | Wettest since: | 1968 | ||||
| Apr– 9-Month | -0.30 | -0.03 | -0.27 | 53rd Driest | Driest since: | 1938 |
| 78th Wettest | Wettest since: | 1937 | ||||
| Mar– 10-Month | -0.31 | -0.05 | -0.26 | 53rd Driest | Driest since: | 1992 |
| 78th Wettest | Wettest since: | 1920, 1937 | ||||
| Feb– 11-Month | -0.25 | -0.04 | -0.21 | 57th Driest | Driest since: | 2018 |
| 74th Wettest | Wettest since: | 1983 | ||||
| Ties: 1895 | ||||||
| Jan– 12-Month | -0.05 | -0.04 | -0.01 | 70th Driest | Driest since: | 1992 |
| 61st Wettest | Wettest since: | 1983 | ||||
| Jul 1958– 18-Month | -0.27 | -0.04 | -0.23 | 48th Driest | Driest since: | 1992 |
| 82nd Wettest | Wettest since: | 1983, 1996 | ||||
| Jan 1958– 24-Month | -0.13 | -0.04 | -0.09 | 61st Driest | Driest since: | 1930 |
| 69th Wettest | Wettest since: | 1984 | ||||
| Jan 1957– 36-Month | -0.14 | -0.03 | -0.11 | 55th Driest | Driest since: | 1930 |
| 74th Wettest | Wettest since: | 1997 | ||||
| Jan 1956– 48-Month | -0.10 | -0.04 | -0.06 | 61st Driest | Driest since: | 1926 |
| 67th Wettest | Wettest since: | 1998 | ||||
| Jan 1955– 60-Month | 0.05 | -0.04 | 0.09 | 83rd Driest | Driest since: | 1926, 1932 |
| 44th Wettest | Wettest since: | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
