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 December 2021. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1981
1-Month
3.33"
(84.58mm)
3.93"
(99.82mm)
-0.60"
(-15.24mm)
46th Driest Driest since: 1980 1964
82nd Wettest Wettest since: 1979 1989
Ties: 1966, 1992
Apr–May 1981
2-Month
7.91"
(200.91mm)
7.57"
(192.28mm)
0.34"
(8.63mm)
75th Driest Driest since: 1980 1926
53rd Wettest Wettest since: 1979 2011
Mar–May 1981
3-Month
9.33"
(236.98mm)
11.06"
(280.92mm)
-1.73"
(-43.94mm)
29th Driest Driest since: 1976 1926
99th Wettest Wettest since: 1980 2011
Feb–May 1981
4-Month
14.57"
(370.08mm)
13.66"
(346.96mm)
0.91"
(23.12mm)
82nd Driest Driest since: 1980 1941
46th Wettest Wettest since: 1973 2011
Jan–May 1981
5-Month
15.29"
(388.37mm)
16.71"
(424.43mm)
-1.42"
(-36.06mm)
44th Driest Driest since: 1980 1941
84th Wettest Wettest since: 1979 2011
Dec 1980–May 1981
6-Month
16.60"
(421.64mm)
19.81"
(503.17mm)
-3.21"
(-81.53mm)
12th Driest Driest since: 1977 1941
115th Wettest Wettest since: 1980 2011
Nov 1980–May 1981
7-Month
19.49"
(495.05mm)
23.02"
(584.71mm)
-3.53"
(-89.66mm)
15th Driest Driest since: 1977 1934
112th Wettest Wettest since: 1980 1952
Oct 1980–May 1981
8-Month
22.83"
(579.88mm)
26.19"
(665.23mm)
-3.36"
(-85.35mm)
22nd Driest Driest since: 1969 1925
105th Wettest Wettest since: 1980 2011
Sep 1980–May 1981
9-Month
25.00"
(635.00mm)
29.75"
(755.65mm)
-4.75"
(-120.65mm)
12th Driest Driest since: 1965 1941
115th Wettest Wettest since: 1980 2019
Aug 1980–May 1981
10-Month
28.55"
(725.17mm)
33.62"
(853.95mm)
-5.07"
(-128.78mm)
13th Driest Driest since: 1969 1931
114th Wettest Wettest since: 1980 2019
Jul 1980–May 1981
11-Month
33.07"
(839.98mm)
37.82"
(960.63mm)
-4.75"
(-120.65mm)
16th Driest Driest since: 1969 1931
111th Wettest Wettest since: 1980 2019
Jun 1980–May 1981
12-Month
37.15"
(943.61mm)
41.97"
(1,066.04mm)
-4.82"
(-122.43mm)
21st Driest Driest since: 1969 1931
106th Wettest Wettest since: 1980 2019
Dec 1979–May 1981
18-Month
54.31"
(1,379.47mm)
61.76"
(1,568.70mm)
-7.45"
(-189.23mm)
12th Driest Driest since: 1969 1931
114th Wettest Wettest since: 1980 2019
Jun 1979–May 1981
24-Month
79.69"
(2,024.13mm)
83.91"
(2,131.31mm)
-4.22"
(-107.18mm)
29th Driest Driest since: 1970 1931
97th Wettest Wettest since: 1980 2019
Ties: 1901
Jun 1978–May 1981
36-Month
125.40"
(3,185.16mm)
125.93"
(3,198.62mm)
-0.53"
(-13.46mm)
50th Driest Driest since: 1971 1965
75th Wettest Wettest since: 1980 2020
Jun 1977–May 1981
48-Month
175.99"
(4,470.15mm)
167.92"
(4,265.17mm)
8.07"
(204.98mm)
91st Driest Driest since: 1972 1966
33rd Wettest Wettest since: 1980 2020
Ties: 1906
Jun 1976–May 1981
60-Month
216.80"
(5,506.72mm)
209.84"
(5,329.94mm)
6.96"
(176.78mm)
83rd Driest Driest since: 1972 1967
40th Wettest Wettest since: 1980 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 17, 2022 from https://www.ncdc.noaa.gov/cag/