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 1903

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 1903
1-Month
1.77"
(44.96mm)
3.93"
(99.82mm)
-2.16"
(-54.86mm)
6th Driest Driest to Date 1964
120th Wettest Wettest since: 1902 1989
Apr–May 1903
2-Month
5.23"
(132.84mm)
7.57"
(192.28mm)
-2.34"
(-59.44mm)
10th Driest Driest since: 1900 1926
116th Wettest Wettest since: 1902 2011
Mar–May 1903
3-Month
9.69"
(246.13mm)
11.06"
(280.92mm)
-1.37"
(-34.79mm)
39th Driest Driest since: 1902 1926
87th Wettest Wettest since: 1901 2011
Feb–May 1903
4-Month
14.09"
(357.89mm)
13.66"
(346.96mm)
0.43"
(10.93mm)
71st Driest Driest since: 1902 1941
55th Wettest Wettest since: 1901 2011
Jan–May 1903
5-Month
17.58"
(446.53mm)
16.71"
(424.43mm)
0.87"
(22.10mm)
81st Driest Driest since: 1902 1941
45th Wettest Wettest since: 1901 2011
Dec 1902–May 1903
6-Month
22.93"
(582.42mm)
19.81"
(503.17mm)
3.12"
(79.25mm)
107th Driest Driest since: 1902 1941
18th Wettest Wettest to Date 2011
Nov 1902–May 1903
7-Month
24.56"
(623.82mm)
23.02"
(584.71mm)
1.54"
(39.11mm)
85th Driest Driest since: 1902 1934
40th Wettest Wettest since: 1901 1952
Oct 1902–May 1903
8-Month
28.75"
(730.25mm)
26.19"
(665.23mm)
2.56"
(65.02mm)
98th Driest Driest since: 1902 1925
27th Wettest Wettest since: 1899 2011
Sep 1902–May 1903
9-Month
33.05"
(839.47mm)
29.75"
(755.65mm)
3.30"
(83.82mm)
98th Driest Driest since: 1902 1941
27th Wettest Wettest to Date 2019
Ties: 1979
Aug 1902–May 1903
10-Month
35.54"
(902.72mm)
33.62"
(853.95mm)
1.92"
(48.77mm)
81st Driest Driest since: 1901 1931
44th Wettest Wettest since: 1902 2019
Jul 1902–May 1903
11-Month
41.96"
(1,065.78mm)
37.82"
(960.63mm)
4.14"
(105.15mm)
100th Driest Driest since: 1902 1931
25th Wettest Wettest to Date 2019
Jun 1902–May 1903
12-Month
47.95"
(1,217.93mm)
41.97"
(1,066.04mm)
5.98"
(151.89mm)
112th Driest Driest since: 1902 1931
13th Wettest Wettest to Date 2019
Dec 1901–May 1903
18-Month
69.67"
(1,769.62mm)
61.76"
(1,568.70mm)
7.91"
(200.92mm)
109th Driest Driest since: 1902 1931
15th Wettest Wettest to Date 2019
Jun 1901–May 1903
24-Month
91.82"
(2,332.23mm)
83.91"
(2,131.31mm)
7.91"
(200.92mm)
101st Driest Driest since: 1902 1931
23rd Wettest Wettest to Date 2019
Jun 1900–May 1903
36-Month
133.64"
(3,394.46mm)
125.93"
(3,198.62mm)
7.71"
(195.84mm)
93rd Driest Driest since: 1902 1965
30th Wettest Wettest to Date 2019
Jun 1899–May 1903
48-Month
171.51"
(4,356.35mm)
167.92"
(4,265.17mm)
3.59"
(91.18mm)
72nd Driest Driest since: 1902 1966
50th Wettest Wettest to Date 2019
Jun 1898–May 1903
60-Month
215.59"
(5,475.99mm)
209.84"
(5,329.94mm)
5.75"
(146.05mm)
77th Driest Driest since: 1902 1967
44th Wettest Wettest to Date 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/