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 1918

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 1918
1-Month
5.20"
(132.08mm)
3.93"
(99.82mm)
1.27"
(32.26mm)
99th Driest Driest since: 1917 1964
27th Wettest Wettest since: 1908 1989
Apr–May 1918
2-Month
9.60"
(243.84mm)
7.57"
(192.28mm)
2.03"
(51.56mm)
105th Driest Driest since: 1917 1926
21st Wettest Wettest since: 1908 2011
Ties: 2002
Mar–May 1918
3-Month
12.31"
(312.67mm)
11.06"
(280.92mm)
1.25"
(31.75mm)
88th Driest Driest since: 1917 1926
38th Wettest Wettest since: 1913 2011
Feb–May 1918
4-Month
14.80"
(375.92mm)
13.66"
(346.96mm)
1.14"
(28.96mm)
86th Driest Driest since: 1917 1941
40th Wettest Wettest since: 1913 2011
Jan–May 1918
5-Month
18.38"
(466.85mm)
16.71"
(424.43mm)
1.67"
(42.42mm)
94th Driest Driest since: 1917 1941
32nd Wettest Wettest since: 1913 2011
Ties: 1993
Dec 1917–May 1918
6-Month
20.16"
(512.06mm)
19.81"
(503.17mm)
0.35"
(8.89mm)
72nd Driest Driest since: 1917 1941
53rd Wettest Wettest since: 1916 2011
Ties: 2000
Nov 1917–May 1918
7-Month
20.81"
(528.57mm)
23.02"
(584.71mm)
-2.21"
(-56.14mm)
33rd Driest Driest since: 1917 1934
92nd Wettest Wettest since: 1916 1952
Oct 1917–May 1918
8-Month
27.34"
(694.44mm)
26.19"
(665.23mm)
1.15"
(29.21mm)
76th Driest Driest since: 1917 1925
49th Wettest Wettest since: 1914 2011
Sep 1917–May 1918
9-Month
29.70"
(754.38mm)
29.75"
(755.65mm)
-0.05"
(-1.27mm)
65th Driest Driest since: 1917 1941
60th Wettest Wettest since: 1914 2019
Aug 1917–May 1918
10-Month
34.61"
(879.09mm)
33.62"
(853.95mm)
0.99"
(25.14mm)
75th Driest Driest since: 1917 1931
50th Wettest Wettest since: 1916 2019
Jul 1917–May 1918
11-Month
38.91"
(988.31mm)
37.82"
(960.63mm)
1.09"
(27.68mm)
71st Driest Driest since: 1917 1931
54th Wettest Wettest since: 1916 2019
Jun 1917–May 1918
12-Month
44.60"
(1,132.84mm)
41.97"
(1,066.04mm)
2.63"
(66.80mm)
86th Driest Driest since: 1917 1931
39th Wettest Wettest since: 1916 2019
Dec 1916–May 1918
18-Month
61.91"
(1,572.51mm)
61.76"
(1,568.70mm)
0.15"
(3.81mm)
65th Driest Driest since: 1917 1931
59th Wettest Wettest since: 1916 2019
Jun 1916–May 1918
24-Month
83.78"
(2,128.01mm)
83.91"
(2,131.31mm)
-0.13"
(-3.30mm)
53rd Driest Driest since: 1916 1931
71st Wettest Wettest since: 1917 2019
Jun 1915–May 1918
36-Month
128.72"
(3,269.49mm)
125.93"
(3,198.62mm)
2.79"
(70.87mm)
71st Driest Driest since: 1917 1965
52nd Wettest Wettest since: 1914 2019
Jun 1914–May 1918
48-Month
166.40"
(4,226.56mm)
167.92"
(4,265.17mm)
-1.52"
(-38.61mm)
43rd Driest Driest since: 1917 1966
79th Wettest Wettest since: 1916 2019
Jun 1913–May 1918
60-Month
207.19"
(5,262.63mm)
209.84"
(5,329.94mm)
-2.65"
(-67.31mm)
37th Driest Driest since: 1913 1967
84th Wettest Wettest since: 1917 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 18, 2019 from https://www.ncdc.noaa.gov/cag/