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 October 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 1931

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1931
1-Month
5.49"
(139.45mm)
3.93"
(99.82mm)
1.56"
(39.63mm)
104th Driest Driest since: 1930 1964
22nd Wettest Wettest since: 1924 1989
Apr–May 1931
2-Month
9.08"
(230.63mm)
7.57"
(192.28mm)
1.51"
(38.35mm)
98th Driest Driest since: 1930 1926
28th Wettest Wettest since: 1929 2011
Ties: 1937
Mar–May 1931
3-Month
11.94"
(303.28mm)
11.06"
(280.92mm)
0.88"
(22.36mm)
82nd Driest Driest since: 1930 1926
44th Wettest Wettest since: 1929 2011
Feb–May 1931
4-Month
13.95"
(354.33mm)
13.66"
(346.96mm)
0.29"
(7.37mm)
66th Driest Driest since: 1930 1941
60th Wettest Wettest since: 1929 2011
Jan–May 1931
5-Month
15.46"
(392.68mm)
16.71"
(424.43mm)
-1.25"
(-31.75mm)
48th Driest Driest since: 1930 1941
78th Wettest Wettest since: 1929 2011
Dec 1930–May 1931
6-Month
17.83"
(452.88mm)
19.81"
(503.17mm)
-1.98"
(-50.29mm)
29th Driest Driest since: 1930 1941
96th Wettest Wettest since: 1929 2011
Ties: 1962
Nov 1930–May 1931
7-Month
19.22"
(488.19mm)
23.02"
(584.71mm)
-3.80"
(-96.52mm)
11th Driest Driest since: 1926 1934
114th Wettest Wettest since: 1930 1952
Oct 1930–May 1931
8-Month
20.20"
(513.08mm)
26.19"
(665.23mm)
-5.99"
(-152.15mm)
4th Driest Driest since: 1925 1925
121st Wettest Wettest since: 1930 2011
Sep 1930–May 1931
9-Month
22.61"
(574.29mm)
29.75"
(755.65mm)
-7.14"
(-181.36mm)
2nd Driest Driest to Date 1941
123rd Wettest Wettest since: 1930 2019
Aug 1930–May 1931
10-Month
23.98"
(609.09mm)
33.62"
(853.95mm)
-9.64"
(-244.86mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Jul 1930–May 1931
11-Month
26.16"
(664.46mm)
37.82"
(960.63mm)
-11.66"
(-296.17mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Jun 1930–May 1931
12-Month
30.46"
(773.68mm)
41.97"
(1,066.04mm)
-11.51"
(-292.36mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Dec 1929–May 1931
18-Month
47.16"
(1,197.86mm)
61.76"
(1,568.70mm)
-14.60"
(-370.84mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 2019
Jun 1929–May 1931
24-Month
68.95"
(1,751.33mm)
83.91"
(2,131.31mm)
-14.96"
(-379.98mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 2019
Jun 1928–May 1931
36-Month
114.99"
(2,920.75mm)
125.93"
(3,198.62mm)
-10.94"
(-277.87mm)
12th Driest Driest since: 1911 1965
111th Wettest Wettest since: 1930 2019
Jun 1927–May 1931
48-Month
161.24"
(4,095.50mm)
167.92"
(4,265.17mm)
-6.68"
(-169.67mm)
23rd Driest Driest since: 1926 1966
99th Wettest Wettest since: 1930 2019
Jun 1926–May 1931
60-Month
209.15"
(5,312.41mm)
209.84"
(5,329.94mm)
-0.69"
(-17.53mm)
46th Driest Driest since: 1927 1967
75th Wettest Wettest since: 1930 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/