NOAA's National Centers for Environmental Information
Divisional Rankings
Massachusetts, Climate Division 1
December 2021 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 2021 1-Month | -0.15 | -0.08 | -0.07 | 63rd Driest | Driest since: | 1943 |
| 68th Wettest | Wettest since: | 1973 | ||||
| Nov– 2-Month | -0.86 | -0.12 | -0.74 | 41st Driest | Driest since: | 1928 |
| 90th Wettest | Wettest since: | 1927 | ||||
| Oct– 3-Month | 0.44 | -0.07 | 0.51 | 89th Driest | Driest since: | 1928 |
| 42nd Wettest | Wettest since: | 2005 | ||||
| Sep– 4-Month | 1.05 | -0.06 | 1.11 | 108th Driest | Driest since: | 1964 |
| 23rd Wettest | Wettest since: | 1907 | ||||
| Aug– 5-Month | 1.13 | -0.01 | 1.14 | 111th Driest | Driest since: | 1964 |
| 20th Wettest | Wettest since: | 1955 | ||||
| Jul– 6-Month | 2.34 | -0.01 | 2.35 | 128th Driest | Driest since: | 1964 |
| 3rd Wettest | Wettest since: | 1975 | ||||
| Jun– 7-Month | 1.76 | -0.02 | 1.78 | 122nd Driest | Driest since: | 1964 |
| 9th Wettest | Wettest since: | 1975 | ||||
| May– 8-Month | 1.67 | -0.04 | 1.71 | 126th Driest | Driest since: | 1964 |
| 5th Wettest | Wettest since: | 1975 | ||||
| Apr– 9-Month | 1.50 | -0.04 | 1.54 | 126th Driest | Driest since: | 1964 |
| 5th Wettest | Wettest since: | 1996 | ||||
| Mar– 10-Month | 1.18 | -0.03 | 1.21 | 123rd Driest | Driest since: | 1964 |
| 8th Wettest | Wettest since: | 2011 | ||||
| Feb– 11-Month | 0.98 | -0.03 | 1.01 | 119th Driest | Driest since: | 1964 |
| 12th Wettest | Wettest since: | 2008 | ||||
| Ties: 1951 | ||||||
| Jan– 12-Month | 0.79 | -0.03 | 0.82 | 112th Driest | Driest since: | 1964 |
| 19th Wettest | Wettest since: | 1996 | ||||
| Ties: 1938, 2000 | ||||||
| Jul 2020– 18-Month | 0.32 | -0.03 | 0.35 | 88th Driest | Driest since: | 1965 |
| 42nd Wettest | Wettest since: | 1996 | ||||
| Ties: 1943 | ||||||
| Jan 2020– 24-Month | 0.01 | -0.03 | 0.04 | 70th Driest | Driest since: | 1965 |
| 60th Wettest | Wettest since: | 1973 | ||||
| Ties: 1915, 1939 | ||||||
| Jan 2019– 36-Month | 0.08 | -0.03 | 0.11 | 74th Driest | Driest since: | 1965 |
| 55th Wettest | Wettest since: | 1977 | ||||
| Jan 2018– 48-Month | 0.38 | -0.03 | 0.41 | 115th Driest | Driest since: | 1965 |
| 13th Wettest | Wettest since: | 1975 | ||||
| Ties: 1979 | ||||||
| Jan 2017– 60-Month | 0.24 | -0.03 | 0.27 | 104th Driest | Driest since: | 1966 |
| 23rd Wettest | Wettest since: | 1976 | ||||
| Ties: 1902, 1940 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
