Climate at a Glance
Statewide Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2022. For more information, please see Climatological Rankings.
Pennsylvania
Precipitation Rankings, April 2021
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
April 2021 1-Month |
2.79" (70.87mm) | 3.64" (92.46mm) |
-0.85" (-21.59mm) | 35th Driest | Driest since: 2016 | 1946 |
| 94th Wettest | Wettest since: 2020 | 2011 | ||||
| Ties: 2001 | ||||||
|
Mar–Apr 2021 2-Month |
5.60" (142.24mm) | 7.14" (181.36mm) |
-1.54" (-39.12mm) | 26th Driest | Driest since: 2016 | 1915 |
| 103rd Wettest | Wettest since: 2020 | 2011 | ||||
|
Feb–Apr 2021 3-Month |
8.62" (218.95mm) | 9.73" (247.14mm) |
-1.11" (-28.19mm) | 43rd Driest | Driest since: 2016 | 1941 |
| 86th Wettest | Wettest since: 2020 | 2011 | ||||
|
Jan–Apr 2021 4-Month |
10.42" (264.67mm) | 12.78" (324.61mm) |
-2.36" (-59.94mm) | 17th Driest | Driest since: 2013 | 1941 |
| 112th Wettest | Wettest since: 2020 | 2011 | ||||
|
Dec 2020–Apr 2021 5-Month |
14.86" (377.44mm) | 15.88" (403.35mm) |
-1.02" (-25.91mm) | 45th Driest | Driest since: 2015 | 1941 |
| 83rd Wettest | Wettest since: 2020 | 2011 | ||||
| Ties: 1976 | ||||||
|
Nov 2020–Apr 2021 6-Month |
17.83" (452.88mm) | 19.09" (484.89mm) |
-1.26" (-32.01mm) | 48th Driest | Driest since: 2016 | 1931 |
| 80th Wettest | Wettest since: 2020 | 1952 | ||||
|
Oct 2020–Apr 2021 7-Month |
21.46" (545.08mm) | 22.27" (565.66mm) |
-0.81" (-20.58mm) | 49th Driest | Driest since: 2016 | 1925 |
| 79th Wettest | Wettest since: 2020 | 2011 | ||||
|
Sep 2020–Apr 2021 8-Month |
23.92" (607.57mm) | 25.83" (656.08mm) |
-1.91" (-48.51mm) | 35th Driest | Driest since: 2015 | 1931 |
| 93rd Wettest | Wettest since: 2020 | 2019 | ||||
|
Aug 2020–Apr 2021 9-Month |
28.29" (718.57mm) | 29.69" (754.13mm) |
-1.40" (-35.56mm) | 49th Driest | Driest since: 2016 | 1931 |
| 79th Wettest | Wettest since: 2020 | 2019 | ||||
|
Jul 2020–Apr 2021 10-Month |
31.86" (809.24mm) | 33.89" (860.81mm) |
-2.03" (-51.57mm) | 40th Driest | Driest since: 2015 | 1931 |
| 88th Wettest | Wettest since: 2020 | 2019 | ||||
|
Jun 2020–Apr 2021 11-Month |
35.03" (889.76mm) | 38.05" (966.47mm) |
-3.02" (-76.71mm) | 27th Driest | Driest since: 2002 | 1931 |
| 101st Wettest | Wettest since: 2020 | 2019 | ||||
| Ties: 1964 | ||||||
|
May 2020–Apr 2021 12-Month |
38.50" (977.90mm) | 41.95" (1,065.53mm) |
-3.45" (-87.63mm) | 24th Driest | Driest since: 2002 | 1931 |
| 104th Wettest | Wettest since: 2020 | 2019 | ||||
|
Nov 2019–Apr 2021 18-Month |
59.83" (1,519.68mm) | 61.03" (1,550.16mm) |
-1.20" (-30.48mm) | 52nd Driest | Driest since: 2017 | 1931 |
| 75th Wettest | Wettest since: 2020 | 2019 | ||||
|
May 2019–Apr 2021 24-Month |
89.24" (2,266.70mm) | 83.91" (2,131.31mm) |
5.33" (135.39mm) | 96th Driest | Driest since: 2017 | 1966 |
| 31st Wettest | Wettest since: 2020 | 2020 | ||||
|
May 2018–Apr 2021 36-Month |
152.53" (3,874.26mm) | 125.93" (3,198.62mm) |
26.60" (675.64mm) | 122nd Driest | Driest since: 2018 | 1967 |
| 4th Wettest | Wettest since: 2020 | 2020 | ||||
|
May 2017–Apr 2021 48-Month |
200.79" (5,100.07mm) | 167.93" (4,265.42mm) |
32.86" (834.65mm) | 121st Driest | Driest since: 2019 | 1966 |
| 4th Wettest | Wettest since: 2020 | 2020 | ||||
|
May 2016–Apr 2021 60-Month |
243.19" (6,177.03mm) | 209.83" (5,329.68mm) |
33.36" (847.35mm) | 119th Driest | Driest since: 2019 | 1967 |
| 5th Wettest | Wettest since: 2020 | 2022 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 22, 2022 from https://www.ncdc.noaa.gov/cag/