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


Pennsylvania

Precipitation Rankings, May 2011

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 2011
1-Month
5.70"
(144.78mm)
3.93"
(99.82mm)
1.77"
(44.96mm)
108th Driest Driest since: 2010 1964
20th Wettest Wettest since: 1990 1989
Apr–May 2011
2-Month
13.76"
(349.50mm)
7.57"
(192.28mm)
6.19"
(157.22mm)
127th Driest Driest since: 2010 1926
1st Wettest Wettest to Date 2011
Mar–May 2011
3-Month
19.55"
(496.57mm)
11.06"
(280.92mm)
8.49"
(215.65mm)
127th Driest Driest since: 2010 1926
1st Wettest Wettest to Date 2011
Feb–May 2011
4-Month
23.28"
(591.31mm)
13.66"
(346.96mm)
9.62"
(244.35mm)
127th Driest Driest since: 2010 1941
1st Wettest Wettest to Date 2011
Jan–May 2011
5-Month
25.18"
(639.57mm)
16.71"
(424.43mm)
8.47"
(215.14mm)
127th Driest Driest since: 2010 1941
1st Wettest Wettest to Date 2011
Dec 2010–May 2011
6-Month
28.62"
(726.95mm)
19.81"
(503.17mm)
8.81"
(223.78mm)
126th Driest Driest since: 2010 1941
1st Wettest Wettest to Date 2011
Nov 2010–May 2011
7-Month
31.91"
(810.51mm)
23.02"
(584.71mm)
8.89"
(225.80mm)
124th Driest Driest since: 2010 1934
3rd Wettest Wettest since: 1952 1952
Oct 2010–May 2011
8-Month
37.06"
(941.32mm)
26.19"
(665.23mm)
10.87"
(276.09mm)
126th Driest Driest since: 2010 1925
1st Wettest Wettest to Date 2011
Sep 2010–May 2011
9-Month
40.47"
(1,027.94mm)
29.75"
(755.65mm)
10.72"
(272.29mm)
125th Driest Driest since: 2010 1941
2nd Wettest Wettest to Date 2019
Aug 2010–May 2011
10-Month
43.58"
(1,106.93mm)
33.62"
(853.95mm)
9.96"
(252.98mm)
123rd Driest Driest since: 2010 1931
4th Wettest Wettest since: 2004 2019
Jul 2010–May 2011
11-Month
48.22"
(1,224.79mm)
37.82"
(960.63mm)
10.40"
(264.16mm)
124th Driest Driest since: 2010 1931
3rd Wettest Wettest since: 2004 2019
Jun 2010–May 2011
12-Month
51.85"
(1,316.99mm)
41.97"
(1,066.04mm)
9.88"
(250.95mm)
122nd Driest Driest since: 2010 1931
5th Wettest Wettest since: 2005 2019
Dec 2009–May 2011
18-Month
71.88"
(1,825.75mm)
61.76"
(1,568.70mm)
10.12"
(257.05mm)
117th Driest Driest since: 2010 1931
9th Wettest Wettest since: 2005 2019
Jun 2009–May 2011
24-Month
95.90"
(2,435.86mm)
83.91"
(2,131.31mm)
11.99"
(304.55mm)
116th Driest Driest since: 2010 1931
10th Wettest Wettest since: 2008 2019
Ties: 1952
Jun 2008–May 2011
36-Month
136.15"
(3,458.21mm)
125.93"
(3,198.62mm)
10.22"
(259.59mm)
98th Driest Driest since: 2010 1965
27th Wettest Wettest since: 2009 2020
Jun 2007–May 2011
48-Month
183.89"
(4,670.81mm)
167.92"
(4,265.17mm)
15.97"
(405.64mm)
109th Driest Driest since: 2010 1966
15th Wettest Wettest since: 2008 2020
Jun 2006–May 2011
60-Month
233.45"
(5,929.63mm)
209.84"
(5,329.94mm)
23.61"
(599.69mm)
115th Driest Driest since: 2010 1967
8th Wettest Wettest since: 2008 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on August 3, 2021 from https://www.ncdc.noaa.gov/cag/