NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 2
December 2024 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 2024 1-Month | -0.84 | 0.09 | -0.93 | 41st Driest | Driest since: | 1955 |
| 90th Wettest | Wettest since: | 1996 | ||||
| Nov– 2-Month | -1.70 | -0.09 | -1.61 | 18th Driest | Driest since: | 1931 |
| 113th Wettest | Wettest since: | 1972 | ||||
| Oct– 3-Month | -2.63 | -0.02 | -2.61 | 2nd Driest | Driest since: | 1930 |
| 129th Wettest | Wettest since: | 1996 | ||||
| Sep– 4-Month | -2.63 | 0.00 | -2.63 | 1st Driest | Driest to Date | 2024 |
| 130th Wettest | Wettest since: | 2018 | ||||
| Aug– 5-Month | -2.01 | 0.02 | -2.03 | 4th Driest | Driest since: | 1930 |
| 127th Wettest | Wettest since: | 2011 | ||||
| Ties: 1931 | ||||||
| Jul– 6-Month | -1.91 | 0.01 | -1.92 | 4th Driest | Driest since: | 1930 |
| 127th Wettest | Wettest since: | 2018 | ||||
| Jun– 7-Month | -2.01 | 0.02 | -2.03 | 2nd Driest | Driest since: | 1930 |
| 129th Wettest | Wettest since: | 2018 | ||||
| May– 8-Month | -1.80 | -0.02 | -1.78 | 5th Driest | Driest since: | 1964 |
| 126th Wettest | Wettest since: | 2018 | ||||
| Apr– 9-Month | -1.50 | -0.01 | -1.49 | 6th Driest | Driest since: | 1930 |
| 125th Wettest | Wettest since: | 2018 | ||||
| Mar– 10-Month | -1.23 | 0.00 | -1.23 | 8th Driest | Driest since: | 1930 |
| 123rd Wettest | Wettest since: | 2011 | ||||
| Feb– 11-Month | -1.17 | 0.02 | -1.19 | 8th Driest | Driest since: | 1930 |
| 123rd Wettest | Wettest since: | 2018 | ||||
| Jan– 12-Month | -0.74 | 0.03 | -0.77 | 14th Driest | Driest since: | 1930 |
| 117th Wettest | Wettest since: | 2018 | ||||
| Ties: 1900, 1957 | ||||||
| Jul 2023– 18-Month | -0.03 | 0.02 | -0.05 | 54th Driest | Driest since: | 1965 |
| 76th Wettest | Wettest since: | 2019 | ||||
| Jan 2023– 24-Month | -0.18 | 0.03 | -0.21 | 41st Driest | Driest since: | 1931 |
| 89th Wettest | Wettest since: | 2019 | ||||
| Jan 2022– 36-Month | -0.14 | 0.03 | -0.17 | 36th Driest | Driest since: | 1965 |
| 93rd Wettest | Wettest since: | 2020 | ||||
| Ties: 1897, 2015 | ||||||
| Jan 2021– 48-Month | -0.08 | 0.03 | -0.11 | 39th Driest | Driest since: | 1966 |
| 89th Wettest | Wettest since: | 2021 | ||||
| Ties: 1898, 1917, 1960, 1981 | ||||||
| Jan 2020– 60-Month | -0.01 | 0.03 | -0.04 | 48th Driest | Driest since: | 1966 |
| 79th Wettest | Wettest since: | 1976, 1979, 2021 | ||||
| Ties: 1942, 1962 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
