NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 2
November 1909 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| November 1909 1-Month | -2.82 | -0.28 | -2.54 | 6th Driest | Driest since: | 1931 |
| 125th Wettest | Wettest since: | 2018 | ||||
| Oct– 2-Month | -2.25 | -0.07 | -2.18 | 8th Driest | Driest to Date | 2024 |
| 123rd Wettest | Wettest since: | 1932 | ||||
| Sep– 3-Month | -1.85 | -0.03 | -1.82 | 12th Driest | Driest since: | 2024 |
| 119th Wettest | Wettest since: | 2011 | ||||
| Aug– 4-Month | -2.14 | 0.00 | -2.14 | 4th Driest | Driest to Date | 1930 |
| 127th Wettest | Wettest since: | 2011 | ||||
| Jul– 5-Month | -2.14 | -0.01 | -2.13 | 3rd Driest | Driest to Date | 1964 |
| 128th Wettest | Wettest since: | 2018 | ||||
| Jun– 6-Month | -1.75 | 0.01 | -1.76 | 6th Driest | Driest to Date | 1930 |
| 125th Wettest | Wettest since: | 2018 | ||||
| May– 7-Month | -1.59 | -0.04 | -1.55 | 8th Driest | Driest to Date | 1964 |
| 123rd Wettest | Wettest since: | 2018 | ||||
| Apr– 8-Month | -1.06 | -0.02 | -1.04 | 16th Driest | Driest since: | 1930 |
| 115th Wettest | Wettest since: | 2018 | ||||
| Mar– 9-Month | -0.92 | -0.01 | -0.91 | 18th Driest | Driest since: | 1930 |
| 113th Wettest | Wettest since: | 2011 | ||||
| Feb– 10-Month | -0.42 | 0.01 | -0.43 | 30th Driest | Driest since: | 1941 |
| 101st Wettest | Wettest since: | 2018 | ||||
| Jan– 11-Month | -0.39 | 0.03 | -0.42 | 30th Driest | Driest since: | 1930 |
| 101st Wettest | Wettest since: | 2018 | ||||
| Dec 1908– 12-Month | -0.48 | 0.03 | -0.51 | 24th Driest | Driest since: | 1930 |
| 106th Wettest | Wettest since: | 2018 | ||||
| Jun 1908– 18-Month | -0.82 | 0.02 | -0.84 | 9th Driest | Driest to Date | 1965 |
| 121st Wettest | Wettest since: | 2019 | ||||
| Dec 1907– 24-Month | -0.28 | 0.03 | -0.31 | 31st Driest | Driest since: | 1931 |
| 98th Wettest | Wettest since: | 2019 | ||||
| Dec 1906– 36-Month | 0.06 | 0.03 | 0.03 | 62nd Driest | Driest since: | 1965 |
| 66th Wettest | Wettest since: | 2019 | ||||
| Dec 1905– 48-Month | 0.15 | 0.03 | 0.12 | 75th Driest | Driest since: | 1966 |
| 52nd Wettest | Wettest since: | 2021 | ||||
| Dec 1904– 60-Month | 0.13 | 0.03 | 0.10 | 76th Driest | Driest since: | 1966 |
| 50th Wettest | Wettest since: | 1979 |
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
