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 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, August 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
August 2018
1-Month
6.26"
(159.00mm)
3.87"
(98.30mm)
2.39"
(60.70mm)
116th Driest Driest since: 2017 1930
9th Wettest Wettest since: 2011 1955
Jul–Aug 2018
2-Month
13.79"
(350.27mm)
8.05"
(204.47mm)
5.74"
(145.80mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jun–Aug 2018
3-Month
19.11"
(485.39mm)
12.22"
(310.39mm)
6.89"
(175.00mm)
124th Driest Driest since: 2017 1966
1st Wettest Wettest to Date 2018
May–Aug 2018
4-Month
24.59"
(624.59mm)
16.15"
(410.21mm)
8.44"
(214.38mm)
124th Driest Driest since: 2017 1966
1st Wettest Wettest to Date 2018
Apr–Aug 2018
5-Month
28.76"
(730.50mm)
19.79"
(502.67mm)
8.97"
(227.83mm)
124th Driest Driest since: 2017 1966
1st Wettest Wettest to Date 2018
Mar–Aug 2018
6-Month
31.88"
(809.75mm)
23.29"
(591.57mm)
8.59"
(218.18mm)
123rd Driest Driest since: 2017 1966
2nd Wettest Wettest since: 2011 2011
Feb–Aug 2018
7-Month
37.28"
(946.91mm)
25.89"
(657.61mm)
11.39"
(289.30mm)
124th Driest Driest since: 2017 1995
1st Wettest Wettest to Date 2018
Jan–Aug 2018
8-Month
40.56"
(1,030.22mm)
28.94"
(735.08mm)
11.62"
(295.14mm)
124th Driest Driest since: 2017 1963
1st Wettest Wettest to Date 2018
Dec 2017–Aug 2018
9-Month
42.26"
(1,073.40mm)
32.03"
(813.56mm)
10.23"
(259.84mm)
123rd Driest Driest since: 2017 1966
1st Wettest Wettest to Date 2018
Nov 2017–Aug 2018
10-Month
45.15"
(1,146.81mm)
35.24"
(895.10mm)
9.91"
(251.71mm)
123rd Driest Driest since: 2017 1966
1st Wettest Wettest to Date 2018
Oct 2017–Aug 2018
11-Month
50.24"
(1,276.10mm)
38.42"
(975.87mm)
11.82"
(300.23mm)
123rd Driest Driest since: 2017 1925
1st Wettest Wettest to Date 2018
Sep 2017–Aug 2018
12-Month
52.30"
(1,328.42mm)
41.98"
(1,066.29mm)
10.32"
(262.13mm)
120th Driest Driest since: 2017 1965
4th Wettest Wettest since: 2011 2004
Mar 2017–Aug 2018
18-Month
81.15"
(2,061.21mm)
65.21"
(1,656.33mm)
15.94"
(404.88mm)
121st Driest Driest since: 2017 1966
3rd Wettest Wettest since: 2012 2004
Sep 2016–Aug 2018
24-Month
100.14"
(2,543.56mm)
83.89"
(2,130.81mm)
16.25"
(412.75mm)
119th Driest Driest since: 2017 1966
4th Wettest Wettest since: 2012 2004
Sep 2015–Aug 2018
36-Month
140.43"
(3,566.92mm)
125.89"
(3,197.61mm)
14.54"
(369.31mm)
114th Driest Driest since: 2017 1966
8th Wettest Wettest since: 2013 2005
Sep 2014–Aug 2018
48-Month
180.28"
(4,579.11mm)
167.87"
(4,263.90mm)
12.41"
(315.21mm)
102nd Driest Driest since: 2017 1966
19th Wettest Wettest since: 2014 2006
Sep 2013–Aug 2018
60-Month
225.13"
(5,718.30mm)
209.80"
(5,328.92mm)
15.33"
(389.38mm)
102nd Driest Driest since: 2017 1966
18th Wettest Wettest since: 2015 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2019, retrieved on July 17, 2019 from https://www.ncdc.noaa.gov/cag/