NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 4
November 2022 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| November 2022 1-Month | -0.67 | -0.21 | -0.46 | 58th Driest | Driest since: | 1930 |
| 73rd Wettest | Wettest since: | 2018 | ||||
| Oct– 2-Month | -0.41 | -0.12 | -0.29 | 58th Driest | Driest since: | 1930 |
| 73rd Wettest | Wettest since: | 1932 | ||||
| Sep– 3-Month | -0.18 | -0.02 | -0.16 | 58th Driest | Driest since: | 1930 |
| 73rd Wettest | Wettest since: | 2018 | ||||
| Ties: 1897 | ||||||
| Aug– 4-Month | -0.41 | 0.03 | -0.44 | 47th Driest | Driest since: | 1930 |
| 84th Wettest | Wettest since: | 2018 | ||||
| Ties: 2000 | ||||||
| Jul– 5-Month | -0.38 | 0.07 | -0.45 | 46th Driest | Driest since: | 1930 |
| 85th Wettest | Wettest since: | 2018 | ||||
| Ties: 1954 | ||||||
| Jun– 6-Month | -0.51 | 0.09 | -0.60 | 41st Driest | Driest since: | 1930 |
| 90th Wettest | Wettest since: | 2018 | ||||
| May– 7-Month | -0.20 | 0.04 | -0.24 | 52nd Driest | Driest since: | 1930 |
| 79th Wettest | Wettest since: | 2018 | ||||
| Apr– 8-Month | -0.17 | 0.04 | -0.21 | 56th Driest | Driest since: | 1930 |
| 75th Wettest | Wettest since: | 2018 | ||||
| Mar– 9-Month | -0.39 | 0.03 | -0.42 | 40th Driest | Driest since: | 1930 |
| 91st Wettest | Wettest since: | 2018 | ||||
| Ties: 1908, 1921, 1944 | ||||||
| Feb– 10-Month | -0.33 | 0.04 | -0.37 | 49th Driest | Driest since: | 1930 |
| 82nd Wettest | Wettest since: | 2018 | ||||
| Jan– 11-Month | -0.33 | 0.06 | -0.39 | 44th Driest | Driest since: | 1930 |
| 87th Wettest | Wettest since: | 2018 | ||||
| Ties: 1925, 1939 | ||||||
| Dec 2021– 12-Month | -0.51 | 0.05 | -0.56 | 29th Driest | Driest since: | 1930 |
| 101st Wettest | Wettest since: | 2018 | ||||
| Ties: 1981, 2020 | ||||||
| Jun 2021– 18-Month | -0.06 | 0.06 | -0.12 | 54th Driest | Driest since: | 1931 |
| 76th Wettest | Wettest since: | 2019 | ||||
| Ties: 1921 | ||||||
| Dec 2020– 24-Month | -0.12 | 0.05 | -0.17 | 47th Driest | Driest since: | 1931 |
| 82nd Wettest | Wettest since: | 2019 | ||||
| Ties: 1900, 2021 | ||||||
| Dec 2019– 36-Month | -0.25 | 0.05 | -0.30 | 27th Driest | Driest since: | 1966 |
| 101st Wettest | Wettest since: | 2019 | ||||
| Dec 2018– 48-Month | 0.01 | 0.05 | -0.04 | 51st Driest | Driest since: | 1966 |
| 76th Wettest | Wettest since: | 1996 | ||||
| Ties: 1946, 1949 | ||||||
| Dec 2017– 60-Month | 0.44 | 0.06 | 0.38 | 111th Driest | Driest since: | 1966 |
| 15th Wettest | Wettest since: | 1975 | ||||
| Ties: 1905 | ||||||
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
