NOAA's National Centers for Environmental Information
Divisional Rankings
Pennsylvania, Climate Division 6
December 2016 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 2016 1-Month | 0.72 | -0.08 | 0.80 | 87th Driest | Driest since: | 1930 |
| 44th Wettest | Wettest since: | 1901 | ||||
| Nov– 2-Month | -0.81 | -0.15 | -0.66 | 35th Driest | Driest since: | 1930 |
| 96th Wettest | Wettest since: | 1972 | ||||
| Oct– 3-Month | 0.49 | -0.09 | 0.58 | 82nd Driest | Driest since: | 1930 |
| 49th Wettest | Wettest since: | 1996 | ||||
| Ties: 1981 | ||||||
| Sep– 4-Month | -0.17 | -0.04 | -0.13 | 53rd Driest | Driest since: | 1964 |
| 78th Wettest | Wettest since: | 2011 | ||||
| Aug– 5-Month | -0.10 | -0.01 | -0.09 | 50th Driest | Driest since: | 1964 |
| 81st Wettest | Wettest since: | 2018 | ||||
| Jul– 6-Month | -0.34 | 0.01 | -0.35 | 41st Driest | Driest since: | 1964 |
| 90th Wettest | Wettest since: | 2018 | ||||
| Ties: 1951 | ||||||
| Jun– 7-Month | -0.52 | 0.03 | -0.55 | 32nd Driest | Driest since: | 1964 |
| 99th Wettest | Wettest since: | 2018 | ||||
| Ties: 1999 | ||||||
| May– 8-Month | -0.62 | 0.01 | -0.63 | 30th Driest | Driest since: | 1964 |
| 101st Wettest | Wettest since: | 2018 | ||||
| Apr– 9-Month | -0.63 | 0.03 | -0.66 | 28th Driest | Driest since: | 1964 |
| 103rd Wettest | Wettest since: | 2018 | ||||
| Mar– 10-Month | -0.87 | 0.02 | -0.89 | 18th Driest | Driest since: | 1964 |
| 113th Wettest | Wettest since: | 2011 | ||||
| Feb– 11-Month | -0.52 | 0.01 | -0.53 | 27th Driest | Driest since: | 1964 |
| 104th Wettest | Wettest since: | 2011 | ||||
| Ties: 1913 | ||||||
| Jan– 12-Month | -0.55 | 0.03 | -0.58 | 21st Driest | Driest since: | 1991 |
| 110th Wettest | Wettest since: | 2011, 2018 | ||||
| Ties: 1910, 1921 | ||||||
| Jul 2015– 18-Month | -0.49 | 0.02 | -0.51 | 23rd Driest | Driest since: | 1965 |
| 107th Wettest | Wettest since: | 2019 | ||||
| Ties: 1939 | ||||||
| Jan 2015– 24-Month | -0.41 | 0.03 | -0.44 | 25th Driest | Driest since: | 1964 |
| 105th Wettest | Wettest since: | 2019 | ||||
| Jan 2014– 36-Month | -0.30 | 0.03 | -0.33 | 20th Driest | Driest since: | 1965 |
| 109th Wettest | Wettest since: | 2019 | ||||
| Jan 2013– 48-Month | -0.22 | 0.03 | -0.25 | 28th Driest | Driest since: | 1966 |
| 100th Wettest | Wettest since: | 2006 | ||||
| Jan 2012– 60-Month | -0.15 | 0.03 | -0.18 | 34th Driest | Driest since: | 1966 |
| 93rd Wettest | Wettest since: | 2021 | ||||
| Ties: 1900 | ||||||
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
