NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 6
December 2024 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 2024 1-Month | 0.46 | -0.08 | 0.54 | 79th Driest | Driest since: | 1930 |
| 52nd Wettest | Wettest since: | 1901 | ||||
| Ties: 1938 | ||||||
| Nov– 2-Month | -0.20 | -0.15 | -0.05 | 60th Driest | Driest since: | 1930 |
| 71st Wettest | Wettest since: | 1972 | ||||
| Oct– 3-Month | -0.84 | -0.09 | -0.75 | 29th Driest | Driest since: | 1930 |
| 102nd Wettest | Wettest since: | 1996 | ||||
| Sep– 4-Month | -1.10 | -0.04 | -1.06 | 22nd Driest | Driest since: | 1964 |
| 109th Wettest | Wettest since: | 2011 | ||||
| Aug– 5-Month | 0.18 | -0.01 | 0.19 | 67th Driest | Driest since: | 1964 |
| 64th Wettest | Wettest since: | 2018 | ||||
| Ties: 1968 | ||||||
| Jul– 6-Month | 0.17 | 0.01 | 0.16 | 66th Driest | Driest since: | 1964 |
| 65th Wettest | Wettest since: | 2018 | ||||
| Jun– 7-Month | -0.02 | 0.03 | -0.05 | 55th Driest | Driest since: | 1964 |
| 76th Wettest | Wettest since: | 2018 | ||||
| Ties: 1981 | ||||||
| May– 8-Month | 0.00 | 0.01 | -0.01 | 59th Driest | Driest since: | 1964 |
| 72nd Wettest | Wettest since: | 2018 | ||||
| Ties: 1928 | ||||||
| Apr– 9-Month | 0.19 | 0.03 | 0.16 | 64th Driest | Driest since: | 1964 |
| 67th Wettest | Wettest since: | 2018 | ||||
| Ties: 1978, 1987 | ||||||
| Mar– 10-Month | 0.18 | 0.02 | 0.16 | 68th Driest | Driest since: | 1964 |
| 63rd Wettest | Wettest since: | 2011 | ||||
| Feb– 11-Month | 0.09 | 0.01 | 0.08 | 66th Driest | Driest since: | 1964 |
| 65th Wettest | Wettest since: | 2011 | ||||
| Jan– 12-Month | 0.43 | 0.03 | 0.40 | 91st Driest | Driest since: | 1991 |
| 40th Wettest | Wettest since: | 2011, 2018 | ||||
| Ties: 1947, 1974 | ||||||
| Jul 2023– 18-Month | 0.96 | 0.02 | 0.94 | 120th Driest | Driest since: | 1965 |
| 10th Wettest | Wettest since: | 2019 | ||||
| Jan 2023– 24-Month | 0.58 | 0.03 | 0.55 | 106th Driest | Driest since: | 1964 |
| 24th Wettest | Wettest since: | 2019 | ||||
| Ties: 1915, 2022 | ||||||
| Jan 2022– 36-Month | 0.47 | 0.03 | 0.44 | 102nd Driest | Driest since: | 1965 |
| 27th Wettest | Wettest since: | 2019 | ||||
| Jan 2021– 48-Month | 0.58 | 0.03 | 0.55 | 106th Driest | Driest since: | 1966 |
| 22nd Wettest | Wettest since: | 2006 | ||||
| Jan 2020– 60-Month | 0.41 | 0.03 | 0.38 | 96th Driest | Driest since: | 1966 |
| 31st Wettest | Wettest since: | 2021 | ||||
| Ties: 1919 | ||||||
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
