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 1951

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 1951
1-Month
2.59"
(65.79mm)
3.93"
(99.82mm)
-1.34"
(-34.03mm)
24th Driest Driest since: 1941 1964
102nd Wettest Wettest since: 1950 1989
Apr–May 1951
2-Month
6.37"
(161.80mm)
7.57"
(192.28mm)
-1.20"
(-30.48mm)
39th Driest Driest since: 1941 1926
87th Wettest Wettest since: 1950 2011
Ties: 1906
Mar–May 1951
3-Month
10.98"
(278.89mm)
11.06"
(280.92mm)
-0.08"
(-2.03mm)
65th Driest Driest since: 1949 1926
61st Wettest Wettest since: 1950 2011
Feb–May 1951
4-Month
14.60"
(370.84mm)
13.66"
(346.96mm)
0.94"
(23.88mm)
82nd Driest Driest since: 1949 1941
44th Wettest Wettest since: 1950 2011
Jan–May 1951
5-Month
18.25"
(463.55mm)
16.71"
(424.43mm)
1.54"
(39.12mm)
92nd Driest Driest since: 1949 1941
34th Wettest Wettest since: 1950 2011
Dec 1950–May 1951
6-Month
21.83"
(554.48mm)
19.81"
(503.17mm)
2.02"
(51.31mm)
94th Driest Driest since: 1949 1941
31st Wettest Wettest since: 1950 2011
Nov 1950–May 1951
7-Month
28.51"
(724.15mm)
23.02"
(584.71mm)
5.49"
(139.44mm)
115th Driest Driest since: 1950 1934
10th Wettest Wettest since: 1908 1952
Oct 1950–May 1951
8-Month
31.49"
(799.85mm)
26.19"
(665.23mm)
5.30"
(134.62mm)
114th Driest Driest since: 1950 1925
11th Wettest Wettest since: 1933 2011
Sep 1950–May 1951
9-Month
35.27"
(895.86mm)
29.75"
(755.65mm)
5.52"
(140.21mm)
112th Driest Driest since: 1950 1941
13th Wettest Wettest since: 1908 2019
Aug 1950–May 1951
10-Month
38.69"
(982.73mm)
33.62"
(853.95mm)
5.07"
(128.78mm)
107th Driest Driest since: 1950 1931
18th Wettest Wettest since: 1943 2019
Jul 1950–May 1951
11-Month
43.49"
(1,104.65mm)
37.82"
(960.63mm)
5.67"
(144.02mm)
110th Driest Driest since: 1950 1931
15th Wettest Wettest since: 1943 2019
Jun 1950–May 1951
12-Month
47.24"
(1,199.90mm)
41.97"
(1,066.04mm)
5.27"
(133.86mm)
105th Driest Driest since: 1950 1931
20th Wettest Wettest since: 1943 2019
Dec 1949–May 1951
18-Month
69.92"
(1,775.97mm)
61.76"
(1,568.70mm)
8.16"
(207.27mm)
112th Driest Driest since: 1950 1931
12th Wettest Wettest since: 1908 2019
Jun 1949–May 1951
24-Month
87.87"
(2,231.90mm)
83.91"
(2,131.31mm)
3.96"
(100.59mm)
82nd Driest Driest since: 1950 1931
42nd Wettest Wettest since: 1947 2019
Jun 1948–May 1951
36-Month
130.57"
(3,316.48mm)
125.93"
(3,198.62mm)
4.64"
(117.86mm)
82nd Driest Driest since: 1950 1965
41st Wettest Wettest since: 1948 2019
Jun 1947–May 1951
48-Month
173.85"
(4,415.79mm)
167.92"
(4,265.17mm)
5.93"
(150.62mm)
82nd Driest Driest since: 1950 1966
40th Wettest Wettest since: 1949 2019
Jun 1946–May 1951
60-Month
216.21"
(5,491.73mm)
209.84"
(5,329.94mm)
6.37"
(161.79mm)
79th Driest Driest since: 1950 1967
42nd Wettest Wettest since: 1949 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/