NOAA's National Centers for Environmental Information
Divisional Rankings
Oregon, Climate Division 1
January 1928 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| January 1928 1-Month | -0.91 | -0.01 | -0.90 | 48th Driest | Driest since: | 1985 |
| 84th Wettest | Wettest since: | 1953 | ||||
| Dec 1927– 2-Month | -1.53 | -0.10 | -1.43 | 21st Driest | Driest since: | 1977 |
| 110th Wettest | Wettest since: | 1956 | ||||
| Nov 1927– 3-Month | -0.76 | -0.03 | -0.73 | 35th Driest | Driest since: | 1977 |
| 96th Wettest | Wettest since: | 1974 | ||||
| Oct 1927– 4-Month | -0.81 | -0.07 | -0.74 | 31st Driest | Driest since: | 2014 |
| 100th Wettest | Wettest since: | 1956 | ||||
| Sep 1927– 5-Month | 0.13 | -0.03 | 0.16 | 81st Driest | Driest since: | 1977 |
| 50th Wettest | Wettest since: | 1974 | ||||
| Aug 1927– 6-Month | -0.07 | -0.05 | -0.02 | 78th Driest | Driest since: | 2001 |
| 53rd Wettest | Wettest since: | 1969 | ||||
| Jul 1927– 7-Month | -0.15 | -0.05 | -0.10 | 67th Driest | Driest since: | 2019 |
| 64th Wettest | Wettest since: | 1921 | ||||
| Jun 1927– 8-Month | -0.17 | -0.04 | -0.13 | 70th Driest | Driest since: | 2019 |
| 61st Wettest | Wettest since: | 1921 | ||||
| May 1927– 9-Month | -0.07 | -0.03 | -0.04 | 73rd Driest | Driest since: | 2019 |
| 58th Wettest | Wettest since: | 1969 | ||||
| Apr 1927– 10-Month | -0.14 | -0.01 | -0.13 | 70th Driest | Driest since: | 1939 |
| 61st Wettest | Wettest since: | 1921 | ||||
| Ties: 1927 | ||||||
| Mar 1927– 11-Month | -0.28 | -0.04 | -0.24 | 51st Driest | Driest since: | 1993 |
| 80th Wettest | Wettest since: | 1921 | ||||
| Feb 1927– 12-Month | 0.00 | -0.03 | 0.03 | 77th Driest | Driest since: | 2019 |
| 54th Wettest | Wettest since: | 1903 | ||||
| Aug 1926– 18-Month | 0.25 | -0.03 | 0.28 | 94th Driest | Driest since: | 1993 |
| 36th Wettest | Wettest since: | 1997 | ||||
| Feb 1926– 24-Month | -0.16 | -0.03 | -0.13 | 56th Driest | Driest since: | 1931 |
| 74th Wettest | Wettest since: | 1998 | ||||
| Feb 1925– 36-Month | -0.39 | -0.03 | -0.36 | 27th Driest | Driest since: | 1926, 1931 |
| 102nd Wettest | Wettest since: | 1998 | ||||
| Feb 1924– 48-Month | -0.53 | -0.03 | -0.50 | 12th Driest | Driest since: | 1927, 2022 |
| 116th Wettest | Wettest since: | 1999 | ||||
| Feb 1923– 60-Month | -0.63 | -0.04 | -0.59 | 3rd Driest | Driest to Date | 2023 |
| 124th Wettest | Wettest since: | 2000 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
