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


Pennsylvania

Precipitation Rankings, May 1912

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1912
1-Month
3.32"
(84.33mm)
3.93"
(99.82mm)
-0.61"
(-15.49mm)
44th Driest Driest since: 1911 1964
84th Wettest Wettest since: 1908 1989
Ties: 2006
Apr–May 1912
2-Month
7.71"
(195.83mm)
7.57"
(192.28mm)
0.14"
(3.55mm)
71st Driest Driest since: 1911 1926
57th Wettest Wettest since: 1910 2011
Mar–May 1912
3-Month
12.67"
(321.82mm)
11.06"
(280.92mm)
1.61"
(40.90mm)
99th Driest Driest since: 1911 1926
29th Wettest Wettest since: 1908 2011
Ties: 1980
Feb–May 1912
4-Month
14.97"
(380.24mm)
13.66"
(346.96mm)
1.31"
(33.28mm)
91st Driest Driest since: 1911 1941
37th Wettest Wettest since: 1909 2011
Jan–May 1912
5-Month
16.89"
(429.01mm)
16.71"
(424.43mm)
0.18"
(4.58mm)
66th Driest Driest since: 1911 1941
62nd Wettest Wettest since: 1910 2011
Dec 1911–May 1912
6-Month
20.33"
(516.38mm)
19.81"
(503.17mm)
0.52"
(13.21mm)
75th Driest Driest since: 1911 1941
52nd Wettest Wettest since: 1910 2011
Nov 1911–May 1912
7-Month
23.14"
(587.76mm)
23.02"
(584.71mm)
0.12"
(3.05mm)
67th Driest Driest since: 1911 1934
60th Wettest Wettest since: 1909 1952
Oct 1911–May 1912
8-Month
27.90"
(708.66mm)
26.19"
(665.23mm)
1.71"
(43.43mm)
84th Driest Driest since: 1911 1925
43rd Wettest Wettest since: 1908 2011
Sep 1911–May 1912
9-Month
33.14"
(841.76mm)
29.75"
(755.65mm)
3.39"
(86.11mm)
101st Driest Driest since: 1911 1941
26th Wettest Wettest since: 1908 2019
Aug 1911–May 1912
10-Month
40.45"
(1,027.43mm)
33.62"
(853.95mm)
6.83"
(173.48mm)
116th Driest Driest since: 1911 1931
11th Wettest Wettest since: 1908 2019
Jul 1911–May 1912
11-Month
43.19"
(1,097.03mm)
37.82"
(960.63mm)
5.37"
(136.40mm)
110th Driest Driest since: 1911 1931
17th Wettest Wettest since: 1908 2019
Jun 1911–May 1912
12-Month
47.92"
(1,217.17mm)
41.97"
(1,066.04mm)
5.95"
(151.13mm)
113th Driest Driest since: 1911 1931
14th Wettest Wettest since: 1908 2019
Dec 1910–May 1912
18-Month
64.80"
(1,645.92mm)
61.76"
(1,568.70mm)
3.04"
(77.22mm)
88th Driest Driest since: 1911 1931
38th Wettest Wettest since: 1908 2019
Jun 1910–May 1912
24-Month
83.10"
(2,110.74mm)
83.91"
(2,131.31mm)
-0.81"
(-20.57mm)
49th Driest Driest since: 1911 1931
77th Wettest Wettest since: 1909 2019
Jun 1909–May 1912
36-Month
119.41"
(3,033.01mm)
125.93"
(3,198.62mm)
-6.52"
(-165.61mm)
21st Driest Driest since: 1911 1965
104th Wettest Wettest since: 1910 2020
Jun 1908–May 1912
48-Month
156.11"
(3,965.19mm)
167.92"
(4,265.17mm)
-11.81"
(-299.98mm)
13th Driest Driest to Date 1966
111th Wettest Wettest since: 1911 2020
Jun 1907–May 1912
60-Month
207.27"
(5,264.66mm)
209.84"
(5,329.94mm)
-2.57"
(-65.28mm)
38th Driest Driest since: 1911 1967
85th Wettest Wettest since: 1910 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 26, 2021 from https://www.ncdc.noaa.gov/cag/