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 2001

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 2001
1-Month
3.08"
(78.23mm)
3.93"
(99.82mm)
-0.85"
(-21.59mm)
33rd Driest Driest since: 1999 1964
93rd Wettest Wettest since: 2000 1989
Apr–May 2001
2-Month
5.87"
(149.10mm)
7.57"
(192.28mm)
-1.70"
(-43.18mm)
28th Driest Driest since: 1997 1926
98th Wettest Wettest since: 2000 2011
Mar–May 2001
3-Month
9.91"
(251.71mm)
11.06"
(280.92mm)
-1.15"
(-29.21mm)
42nd Driest Driest since: 1995 1926
84th Wettest Wettest since: 2000 2011
Feb–May 2001
4-Month
11.46"
(291.08mm)
13.66"
(346.96mm)
-2.20"
(-55.88mm)
22nd Driest Driest since: 1995 1941
104th Wettest Wettest since: 2000 2011
Ties: 1930
Jan–May 2001
5-Month
13.34"
(338.84mm)
16.71"
(424.43mm)
-3.37"
(-85.59mm)
7th Driest Driest since: 1995 1941
119th Wettest Wettest since: 2000 2011
Ties: 2013
Dec 2000–May 2001
6-Month
16.28"
(413.51mm)
19.81"
(503.17mm)
-3.53"
(-89.66mm)
8th Driest Driest since: 1995 1941
117th Wettest Wettest since: 2000 2011
Ties: 1977
Nov 2000–May 2001
7-Month
18.40"
(467.36mm)
23.02"
(584.71mm)
-4.62"
(-117.35mm)
9th Driest Driest since: 1977 1934
116th Wettest Wettest since: 2000 1952
Oct 2000–May 2001
8-Month
20.77"
(527.56mm)
26.19"
(665.23mm)
-5.42"
(-137.67mm)
5th Driest Driest since: 1941 1925
120th Wettest Wettest since: 2000 2011
Sep 2000–May 2001
9-Month
24.71"
(627.63mm)
29.75"
(755.65mm)
-5.04"
(-128.02mm)
10th Driest Driest since: 1965 1941
115th Wettest Wettest since: 2000 2019
Aug 2000–May 2001
10-Month
28.36"
(720.34mm)
33.62"
(853.95mm)
-5.26"
(-133.61mm)
11th Driest Driest since: 1969 1931
114th Wettest Wettest since: 2000 2019
Jul 2000–May 2001
11-Month
31.70"
(805.18mm)
37.82"
(960.63mm)
-6.12"
(-155.45mm)
10th Driest Driest since: 1999 1931
115th Wettest Wettest since: 2000 2019
Jun 2000–May 2001
12-Month
37.00"
(939.80mm)
41.97"
(1,066.04mm)
-4.97"
(-126.24mm)
19th Driest Driest since: 1999 1931
106th Wettest Wettest since: 2000 2019
Dec 1999–May 2001
18-Month
57.16"
(1,451.86mm)
61.76"
(1,568.70mm)
-4.60"
(-116.84mm)
20th Driest Driest since: 1992 1931
104th Wettest Wettest since: 2000 2019
Jun 1999–May 2001
24-Month
78.12"
(1,984.25mm)
83.91"
(2,131.31mm)
-5.79"
(-147.06mm)
22nd Driest Driest since: 2000 1931
102nd Wettest Wettest since: 1999 2019
Jun 1998–May 2001
36-Month
114.65"
(2,912.11mm)
125.93"
(3,198.62mm)
-11.28"
(-286.51mm)
11th Driest Driest since: 1969 1965
112th Wettest Wettest since: 2000 2019
Jun 1997–May 2001
48-Month
160.72"
(4,082.29mm)
167.92"
(4,265.17mm)
-7.20"
(-182.88mm)
21st Driest Driest since: 1970 1966
101st Wettest Wettest since: 2000 2019
Jun 1996–May 2001
60-Month
210.53"
(5,347.46mm)
209.84"
(5,329.94mm)
0.69"
(17.52mm)
52nd Driest Driest since: 1993 1967
69th Wettest Wettest since: 2000 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/