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 January 1895. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 2018

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
May 2018
1-Month
5.39"
(136.91mm)
3.93"
(99.82mm)
1.46"
(37.09mm)
102ⁿᵈ Driest Driest since: 2016 1964
23ʳᵈ Wettest Wettest since: 2017 1989
Apr–May 2018
2-Month
9.56"
(242.82mm)
7.57"
(192.28mm)
1.99"
(50.54mm)
103ʳᵈ Driest Driest since: 2016 1926
22ⁿᵈ Wettest Wettest since: 2017 2011
Mar–May 2018
3-Month
12.68"
(322.07mm)
11.06"
(280.92mm)
1.62"
(41.15mm)
98ᵗʰ Driest Driest since: 2016 1926
27ᵗʰ Wettest Wettest since: 2017 2011
Feb–May 2018
4-Month
18.08"
(459.23mm)
13.66"
(346.96mm)
4.42"
(112.27mm)
121ˢᵗ Driest Driest since: 2017 1941
4ᵗʰ Wettest Wettest since: 2011 2011
Jan–May 2018
5-Month
21.36"
(542.54mm)
16.71"
(424.43mm)
4.65"
(118.11mm)
119ᵗʰ Driest Driest since: 2017 1941
6ᵗʰ Wettest Wettest since: 2011 2011
Dec 2017–May 2018
6-Month
23.06"
(585.72mm)
19.81"
(503.17mm)
3.25"
(82.55mm)
109ᵗʰ Driest Driest since: 2016 1941
15ᵗʰ Wettest Wettest since: 2017 2011
Ties: 1996
Nov 2017–May 2018
7-Month
25.95"
(659.13mm)
23.02"
(584.71mm)
2.93"
(74.42mm)
103ʳᵈ Driest Driest since: 2017 1934
21ˢᵗ Wettest Wettest since: 2011 1952
Oct 2017–May 2018
8-Month
31.04"
(788.42mm)
26.19"
(665.23mm)
4.85"
(123.19mm)
108ᵗʰ Driest Driest since: 2017 1925
16ᵗʰ Wettest Wettest since: 2011 2011
Sep 2017–May 2018
9-Month
33.10"
(840.74mm)
29.75"
(755.65mm)
3.35"
(85.09mm)
99ᵗʰ Driest Driest since: 2016 1941
25ᵗʰ Wettest Wettest since: 2017 2011
Aug 2017–May 2018
10-Month
36.94"
(938.28mm)
33.62"
(853.95mm)
3.32"
(84.33mm)
93ʳᵈ Driest Driest since: 2016 1931
31ˢᵗ Wettest Wettest since: 2017 2012
Jul 2017–May 2018
11-Month
43.08"
(1,094.23mm)
37.82"
(960.63mm)
5.26"
(133.60mm)
107ᵗʰ Driest Driest since: 2017 1931
17ᵗʰ Wettest Wettest since: 2012 2004
Jun 2017–May 2018
12-Month
47.70"
(1,211.58mm)
41.97"
(1,066.04mm)
5.73"
(145.54mm)
108ᵗʰ Driest Driest since: 2017 1931
16ᵗʰ Wettest Wettest since: 2012 2004
Dec 2016–May 2018
18-Month
71.59"
(1,818.39mm)
61.76"
(1,568.70mm)
9.83"
(249.69mm)
115ᵗʰ Driest Driest since: 2017 1931
8ᵗʰ Wettest Wettest since: 2012 2012
Jun 2016–May 2018
24-Month
92.17"
(2,341.12mm)
83.91"
(2,131.31mm)
8.26"
(209.81mm)
102ⁿᵈ Driest Driest since: 2017 1931
21ˢᵗ Wettest Wettest since: 2013 2005
Jun 2015–May 2018
36-Month
136.49"
(3,466.85mm)
125.93"
(3,198.62mm)
10.56"
(268.23mm)
100ᵗʰ Driest Driest since: 2017 1965
22ⁿᵈ Wettest Wettest since: 2014 2005
Jun 2014–May 2018
48-Month
175.20"
(4,450.08mm)
167.92"
(4,265.17mm)
7.28"
(184.91mm)
85ᵗʰ Driest Driest since: 2017 1966
36ᵗʰ Wettest Wettest since: 2015 2007
Jun 2013–May 2018
60-Month
220.98"
(5,612.89mm)
209.84"
(5,329.94mm)
11.14"
(282.95mm)
95ᵗʰ Driest Driest since: 2017 1967
25ᵗʰ Wettest Wettest since: 2016 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2018, retrieved on July 20, 2018 from https://www.ncdc.noaa.gov/cag/