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
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  • Record Driest
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  • Record Wettest
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/