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 2010

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2010
1-Month
4.02"
(102.11mm)
3.93"
(99.82mm)
0.09"
(2.29mm)
70th Driest Driest since: 2007 1964
56th Wettest Wettest since: 2009 1989
Apr–May 2010
2-Month
6.33"
(160.78mm)
7.57"
(192.28mm)
-1.24"
(-31.50mm)
36th Driest Driest since: 2007 1926
90th Wettest Wettest since: 2009 2011
Ties: 1995
Mar–May 2010
3-Month
9.90"
(251.46mm)
11.06"
(280.92mm)
-1.16"
(-29.46mm)
41st Driest Driest since: 2006 1926
85th Wettest Wettest since: 2009 2011
Feb–May 2010
4-Month
12.56"
(319.02mm)
13.66"
(346.96mm)
-1.10"
(-27.94mm)
48th Driest Driest since: 2009 1941
78th Wettest Wettest since: 2008 2011
Jan–May 2010
5-Month
15.64"
(397.26mm)
16.71"
(424.43mm)
-1.07"
(-27.17mm)
49th Driest Driest since: 2009 1941
77th Wettest Wettest since: 2008 2011
Dec 2009–May 2010
6-Month
20.03"
(508.76mm)
19.81"
(503.17mm)
0.22"
(5.59mm)
68th Driest Driest since: 2009 1941
57th Wettest Wettest since: 2008 2011
Ties: 1914, 1991
Nov 2009–May 2010
7-Month
21.64"
(549.66mm)
23.02"
(584.71mm)
-1.38"
(-35.05mm)
48th Driest Driest since: 2006 1934
77th Wettest Wettest since: 2009 1952
Oct 2009–May 2010
8-Month
26.41"
(670.81mm)
26.19"
(665.23mm)
0.22"
(5.58mm)
66th Driest Driest since: 2009 1925
59th Wettest Wettest since: 2008 2011
Sep 2009–May 2010
9-Month
29.19"
(741.43mm)
29.75"
(755.65mm)
-0.56"
(-14.22mm)
57th Driest Driest since: 2009 1941
68th Wettest Wettest since: 2008 2019
Aug 2009–May 2010
10-Month
34.17"
(867.92mm)
33.62"
(853.95mm)
0.55"
(13.97mm)
69th Driest Driest since: 2009 1931
56th Wettest Wettest since: 2008 2019
Jul 2009–May 2010
11-Month
39.14"
(994.16mm)
37.82"
(960.63mm)
1.32"
(33.53mm)
73rd Driest Driest since: 2009 1931
52nd Wettest Wettest since: 2008 2019
Jun 2009–May 2010
12-Month
44.05"
(1,118.87mm)
41.97"
(1,066.04mm)
2.08"
(52.83mm)
77th Driest Driest since: 2009 1931
48th Wettest Wettest since: 2008 2019
Dec 2008–May 2010
18-Month
63.98"
(1,625.09mm)
61.76"
(1,568.70mm)
2.22"
(56.39mm)
79th Driest Driest since: 2006 1931
45th Wettest Wettest since: 2009 2019
Jun 2008–May 2010
24-Month
84.30"
(2,141.22mm)
83.91"
(2,131.31mm)
0.39"
(9.91mm)
58th Driest Driest since: 2003 1931
66th Wettest Wettest since: 2009 2019
Jun 2007–May 2010
36-Month
132.04"
(3,353.82mm)
125.93"
(3,198.62mm)
6.11"
(155.20mm)
88th Driest Driest since: 2003 1965
35th Wettest Wettest since: 2009 2019
Jun 2006–May 2010
48-Month
181.60"
(4,612.64mm)
167.92"
(4,265.17mm)
13.68"
(347.47mm)
103rd Driest Driest since: 2009 1966
19th Wettest Wettest since: 2008 2019
Jun 2005–May 2010
60-Month
221.52"
(5,626.61mm)
209.84"
(5,329.94mm)
11.68"
(296.67mm)
97th Driest Driest since: 2004 1967
24th Wettest Wettest since: 2009 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/