NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 4
January 1948 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| January 1948 1-Month | 1.11 | 0.23 | 0.88 | 99th Driest | Driest since: | 1981 |
| 33rd Wettest | Wettest since: | 1979 | ||||
| Dec 1947– 2-Month | -0.38 | 0.12 | -0.50 | 50th Driest | Driest since: | 2002 |
| 81st Wettest | Wettest since: | 1978 | ||||
| Nov 1947– 3-Month | 0.33 | 0.01 | 0.32 | 81st Driest | Driest since: | 2002 |
| 50th Wettest | Wettest since: | 2019 | ||||
| Oct 1947– 4-Month | -0.42 | 0.00 | -0.42 | 43rd Driest | Driest since: | 2002 |
| 88th Wettest | Wettest since: | 2019 | ||||
| Sep 1947– 5-Month | -0.65 | 0.03 | -0.68 | 31st Driest | Driest since: | 1931 |
| 100th Wettest | Wettest since: | 2019 | ||||
| Aug 1947– 6-Month | -0.56 | 0.06 | -0.62 | 29th Driest | Driest since: | 1931 |
| 102nd Wettest | Wettest since: | 2019 | ||||
| Jul 1947– 7-Month | -0.17 | 0.08 | -0.25 | 44th Driest | Driest since: | 1931 |
| 87th Wettest | Wettest since: | 2019 | ||||
| Jun 1947– 8-Month | -0.07 | 0.09 | -0.16 | 49th Driest | Driest since: | 1931 |
| 82nd Wettest | Wettest since: | 2019 | ||||
| May 1947– 9-Month | 0.24 | 0.05 | 0.19 | 72nd Driest | Driest since: | 1931 |
| 59th Wettest | Wettest since: | 2019 | ||||
| Apr 1947– 10-Month | 0.12 | 0.04 | 0.08 | 67th Driest | Driest since: | 1931 |
| 64th Wettest | Wettest since: | 2019 | ||||
| Mar 1947– 11-Month | -0.04 | 0.04 | -0.08 | 53rd Driest | Driest since: | 1931 |
| 78th Wettest | Wettest since: | 2019 | ||||
| Feb 1947– 12-Month | -0.12 | 0.05 | -0.17 | 51st Driest | Driest since: | 1931 |
| 80th Wettest | Wettest since: | 2019 | ||||
| Aug 1946– 18-Month | -0.05 | 0.05 | -0.10 | 53rd Driest | Driest since: | 1932 |
| 77th Wettest | Wettest since: | 2019 | ||||
| Feb 1946– 24-Month | -0.01 | 0.05 | -0.06 | 57th Driest | Driest since: | 1932 |
| 73rd Wettest | Wettest since: | 2020 | ||||
| Feb 1945– 36-Month | 0.18 | 0.05 | 0.13 | 79th Driest | Driest since: | 1967 |
| 50th Wettest | Wettest since: | 2020 | ||||
| Ties: 1916, 1937 | ||||||
| Feb 1944– 48-Month | 0.07 | 0.06 | 0.01 | 65th Driest | Driest since: | 1967 |
| 63rd Wettest | Wettest since: | 1997 | ||||
| Feb 1943– 60-Month | -0.05 | 0.05 | -0.10 | 44th Driest | Driest since: | 1967 |
| 83rd Wettest | Wettest since: | 1997 | ||||
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
