NOAA's National Centers for Environmental Information
Divisional Rankings
Oregon, Climate Division 1
December 1929 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 1929 1-Month | 2.79 | -0.20 | 2.99 | 124th Driest | Driest since: | 2013 |
| 7th Wettest | Wettest to Date | 2015 | ||||
| Nov– 2-Month | 0.29 | -0.04 | 0.33 | 78th Driest | Driest since: | 2013 |
| 53rd Wettest | Wettest since: | 1973 | ||||
| Oct– 3-Month | -0.70 | -0.11 | -0.59 | 36th Driest | Driest since: | 2013 |
| 95th Wettest | Wettest since: | 2016 | ||||
| Sep– 4-Month | -1.11 | -0.05 | -1.06 | 15th Driest | Driest since: | 1976 |
| 116th Wettest | Wettest since: | 1973 | ||||
| Aug– 5-Month | -1.10 | -0.07 | -1.03 | 12th Driest | Driest since: | 1936 |
| 119th Wettest | Wettest since: | 1968 | ||||
| Jul– 6-Month | -1.00 | -0.07 | -0.93 | 12th Driest | Driest since: | 2018 |
| 119th Wettest | Wettest since: | 1920 | ||||
| Jun– 7-Month | -0.65 | -0.06 | -0.59 | 32nd Driest | Driest since: | 2018 |
| 99th Wettest | Wettest since: | 1920 | ||||
| May– 8-Month | -0.80 | -0.05 | -0.75 | 20th Driest | Driest since: | 2018 |
| 111th Wettest | Wettest since: | 1968 | ||||
| Apr– 9-Month | -0.45 | -0.03 | -0.42 | 38th Driest | Driest since: | 1938 |
| 93rd Wettest | Wettest since: | 1937 | ||||
| Mar– 10-Month | -0.64 | -0.05 | -0.59 | 29th Driest | Driest since: | 1992 |
| 102nd Wettest | Wettest since: | 1920, 1937 | ||||
| Feb– 11-Month | -0.93 | -0.04 | -0.89 | 11th Driest | Driest since: | 2018 |
| 120th Wettest | Wettest since: | 1983 | ||||
| Jan– 12-Month | -0.97 | -0.04 | -0.93 | 7th Driest | Driest since: | 1992 |
| 124th Wettest | Wettest since: | 1983 | ||||
| Jul 1928– 18-Month | -1.02 | -0.04 | -0.98 | 5th Driest | Driest to Date | 1992 |
| 125th Wettest | Wettest since: | 1983, 1996 | ||||
| Jan 1928– 24-Month | -0.85 | -0.04 | -0.81 | 7th Driest | Driest since: | 1930 |
| 123rd Wettest | Wettest since: | 1984 | ||||
| Jan 1927– 36-Month | -0.51 | -0.03 | -0.48 | 20th Driest | Driest since: | 1930 |
| 109th Wettest | Wettest since: | 1997 | ||||
| Jan 1926– 48-Month | -0.52 | -0.04 | -0.48 | 14th Driest | Driest since: | 1926 |
| 114th Wettest | Wettest since: | 1998 | ||||
| Jan 1925– 60-Month | -0.55 | -0.04 | -0.51 | 10th Driest | Driest since: | 1926, 1932 |
| 117th 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 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
