NOAA's National Centers for Environmental Information
Divisional Rankings
Oregon, Climate Division 1
January 2019 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| January 2019 1-Month | -1.52 | -0.01 | -1.51 | 34th Driest | Driest since: | 1985 |
| 98th Wettest | Wettest since: | 1953 | ||||
| Ties: 1908 | ||||||
| Dec 2018– 2-Month | -1.14 | -0.10 | -1.04 | 32nd Driest | Driest since: | 1977 |
| 99th Wettest | Wettest since: | 1956 | ||||
| Ties: 1984 | ||||||
| Nov 2018– 3-Month | -1.07 | -0.03 | -1.04 | 22nd Driest | Driest since: | 1977 |
| 109th Wettest | Wettest since: | 1974 | ||||
| Oct 2018– 4-Month | -1.10 | -0.07 | -1.03 | 15th Driest | Driest since: | 2014 |
| 116th Wettest | Wettest since: | 1956 | ||||
| Ties: 1920 | ||||||
| Sep 2018– 5-Month | -1.18 | -0.03 | -1.15 | 11th Driest | Driest since: | 1977 |
| 120th Wettest | Wettest since: | 1974 | ||||
| Aug 2018– 6-Month | -1.38 | -0.05 | -1.33 | 3rd Driest | Driest since: | 2001 |
| 128th Wettest | Wettest since: | 1969 | ||||
| Jul 2018– 7-Month | -1.64 | -0.05 | -1.59 | 1st Driest | Driest to Date | 2019 |
| 130th Wettest | Wettest since: | 1921 | ||||
| Jun 2018– 8-Month | -1.70 | -0.04 | -1.66 | 1st Driest | Driest to Date | 2019 |
| 130th Wettest | Wettest since: | 1921 | ||||
| May 2018– 9-Month | -1.88 | -0.03 | -1.85 | 1st Driest | Driest to Date | 2019 |
| 130th Wettest | Wettest since: | 1969 | ||||
| Apr 2018– 10-Month | -1.44 | -0.01 | -1.43 | 2nd Driest | Driest since: | 1939 |
| 129th Wettest | Wettest since: | 1921 | ||||
| Mar 2018– 11-Month | -1.32 | -0.04 | -1.28 | 2nd Driest | Driest since: | 1993 |
| 129th Wettest | Wettest since: | 1921 | ||||
| Feb 2018– 12-Month | -1.40 | -0.03 | -1.37 | 1st Driest | Driest to Date | 2019 |
| 130th Wettest | Wettest since: | 1903 | ||||
| Aug 2017– 18-Month | -1.13 | -0.03 | -1.10 | 2nd Driest | Driest since: | 1993 |
| 128th Wettest | Wettest since: | 1997 | ||||
| Feb 2017– 24-Month | -0.38 | -0.03 | -0.35 | 36th Driest | Driest since: | 1931 |
| 94th Wettest | Wettest since: | 1998 | ||||
| Ties: 1929, 1992 | ||||||
| Feb 2016– 36-Month | -0.29 | -0.03 | -0.26 | 41st Driest | Driest since: | 1926, 1931 |
| 88th Wettest | Wettest since: | 1998 | ||||
| Ties: 2002, 2006 | ||||||
| Feb 2015– 48-Month | -0.43 | -0.03 | -0.40 | 24th Driest | Driest since: | 1927, 2022 |
| 104th Wettest | Wettest since: | 1999 | ||||
| Feb 2014– 60-Month | -0.36 | -0.04 | -0.32 | 30th Driest | Driest since: | 2023 |
| 97th Wettest | Wettest since: | 2000 | ||||
| Ties: 1991 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
