NOAA's National Centers for Environmental Information
Divisional Rankings
Michigan, Climate Division 2
January 1991 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| January 1991 1-Month | -1.47 | 0.03 | -1.50 | 17th Driest | Driest since: | 1931 |
| 115th Wettest | Wettest since: | 1897 | ||||
| Dec 1990– 2-Month | -1.09 | -0.12 | -0.97 | 19th Driest | Driest since: | 1931 |
| 112th Wettest | Wettest since: | 2016 | ||||
| Nov 1990– 3-Month | -1.12 | -0.14 | -0.98 | 19th Driest | Driest since: | 1931 |
| 112th Wettest | Wettest since: | 1897 | ||||
| Oct 1990– 4-Month | -0.46 | -0.09 | -0.37 | 40th Driest | Driest since: | 1931 |
| 91st Wettest | Wettest since: | 1897 | ||||
| Sep 1990– 5-Month | -0.18 | -0.10 | -0.08 | 59th Driest | Driest since: | 1931 |
| 72nd Wettest | Wettest since: | 1897 | ||||
| Ties: 1907 | ||||||
| Aug 1990– 6-Month | -0.42 | -0.12 | -0.30 | 50th Driest | Driest since: | 1931 |
| 81st Wettest | Wettest since: | 1897 | ||||
| Jul 1990– 7-Month | -0.45 | -0.05 | -0.40 | 49th Driest | Driest since: | 1931 |
| 82nd Wettest | Wettest since: | 1897 | ||||
| Jun 1990– 8-Month | -0.13 | -0.07 | -0.06 | 58th Driest | Driest since: | 1977 |
| 73rd Wettest | Wettest since: | 1897 | ||||
| May 1990– 9-Month | 0.14 | -0.06 | 0.20 | 76th Driest | Driest since: | 1931 |
| 55th Wettest | Wettest since: | 1897 | ||||
| Apr 1990– 10-Month | -0.10 | -0.06 | -0.04 | 60th Driest | Driest since: | 1977 |
| 71st Wettest | Wettest since: | 1897 | ||||
| Mar 1990– 11-Month | -0.10 | -0.06 | -0.04 | 57th Driest | Driest since: | 1931 |
| 74th Wettest | Wettest since: | 1897 | ||||
| Feb 1990– 12-Month | -0.16 | -0.06 | -0.10 | 57th Driest | Driest since: | 1931 |
| 74th Wettest | Wettest since: | 2020 | ||||
| Aug 1989– 18-Month | -0.62 | -0.08 | -0.54 | 21st Driest | Driest since: | 1949 |
| 109th Wettest | Wettest since: | 2020 | ||||
| Feb 1989– 24-Month | -0.68 | -0.06 | -0.62 | 14th Driest | Driest since: | 1999 |
| 116th Wettest | Wettest since: | 2021 | ||||
| Ties: 1938 | ||||||
| Feb 1988– 36-Month | -0.38 | -0.06 | -0.32 | 31st Driest | Driest since: | 2008 |
| 98th Wettest | Wettest since: | 2020 | ||||
| Feb 1987– 48-Month | -0.40 | -0.05 | -0.35 | 24th Driest | Driest since: | 2001 |
| 104th Wettest | Wettest since: | 2021 | ||||
| Feb 1986– 60-Month | -0.48 | -0.05 | -0.43 | 11th Driest | Driest since: | 1911 |
| 116th Wettest | Wettest since: | 2021 | ||||
| Ties: 1915, 1926 | ||||||
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
