NOAA's National Centers for Environmental Information
Divisional Rankings
Michigan, Climate Division 2
December 1991 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 1991 1-Month | -0.13 | -0.27 | 0.14 | 64th Driest | Driest since: | 1930 |
| 67th Wettest | Wettest since: | 2015 | ||||
| Nov– 2-Month | 0.74 | -0.25 | 0.99 | 99th Driest | Driest since: | 1930 |
| 32nd Wettest | Wettest since: | 1977 | ||||
| Ties: 1972 | ||||||
| Oct– 3-Month | 0.98 | -0.15 | 1.13 | 98th Driest | Driest since: | 1947 |
| 33rd Wettest | Wettest since: | 2014 | ||||
| Sep– 4-Month | 0.86 | -0.16 | 1.02 | 95th Driest | Driest since: | 1908 |
| 36th Wettest | Wettest since: | 2019 | ||||
| Aug– 5-Month | -0.14 | -0.18 | 0.04 | 67th Driest | Driest since: | 1930 |
| 64th Wettest | Wettest since: | 1896 | ||||
| Jul– 6-Month | 0.18 | -0.10 | 0.28 | 75th Driest | Driest since: | 1930 |
| 56th Wettest | Wettest since: | 1896 | ||||
| Jun– 7-Month | -0.29 | -0.12 | -0.17 | 52nd Driest | Driest since: | 1976 |
| 79th Wettest | Wettest since: | 1896 | ||||
| Ties: 1943 | ||||||
| May– 8-Month | -0.21 | -0.10 | -0.11 | 54th Driest | Driest since: | 1976 |
| 77th Wettest | Wettest since: | 1896 | ||||
| Apr– 9-Month | -0.19 | -0.09 | -0.10 | 51st Driest | Driest since: | 1976 |
| 80th Wettest | Wettest since: | 2019 | ||||
| Ties: 1917, 1934 | ||||||
| Mar– 10-Month | 0.01 | -0.09 | 0.10 | 64th Driest | Driest since: | 1895 |
| 67th Wettest | Wettest since: | 2019 | ||||
| Feb– 11-Month | -0.16 | -0.09 | -0.07 | 55th Driest | Driest since: | 1895 |
| 76th Wettest | Wettest since: | 2019 | ||||
| Ties: 1967 | ||||||
| Jan– 12-Month | -0.27 | -0.08 | -0.19 | 46th Driest | Driest since: | 1930 |
| 85th Wettest | Wettest since: | 2019 | ||||
| Jul 1990– 18-Month | -0.27 | -0.08 | -0.19 | 44th Driest | Driest since: | 1948 |
| 86th Wettest | Wettest since: | 2019 | ||||
| Jan 1990– 24-Month | -0.15 | -0.07 | -0.08 | 53rd Driest | Driest since: | 2006 |
| 77th Wettest | Wettest since: | 2020 | ||||
| Ties: 1943 | ||||||
| Jan 1989– 36-Month | -0.50 | -0.07 | -0.43 | 18th Driest | Driest since: | 2007 |
| 111th Wettest | Wettest since: | 2019 | ||||
| Jan 1988– 48-Month | -0.33 | -0.06 | -0.27 | 30th Driest | Driest since: | 2000 |
| 98th Wettest | Wettest since: | 2020 | ||||
| Jan 1987– 60-Month | -0.38 | -0.06 | -0.32 | 20th Driest | Driest since: | 1910 |
| 107th Wettest | Wettest since: | 2020 | ||||
| Ties: 1908 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
