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 2020. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, October 2018

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
October 2018
1-Month
4.28"
(108.71mm)
3.17"
(80.52mm)
1.11"
(28.19mm)
89th Driest Driest since: 2015 1963
37th Wettest Wettest since: 2017 1976
Sep–Oct 2018
2-Month
13.16"
(334.26mm)
6.75"
(171.45mm)
6.41"
(162.81mm)
124th Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
Aug–Oct 2018
3-Month
19.42"
(493.27mm)
10.62"
(269.75mm)
8.80"
(223.52mm)
124th Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2011 2011
Jul–Oct 2018
4-Month
26.95"
(684.53mm)
14.81"
(376.17mm)
12.14"
(308.36mm)
125th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jun–Oct 2018
5-Month
32.27"
(819.66mm)
18.98"
(482.09mm)
13.29"
(337.57mm)
125th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
May–Oct 2018
6-Month
37.75"
(958.85mm)
22.91"
(581.91mm)
14.84"
(376.94mm)
125th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Apr–Oct 2018
7-Month
41.92"
(1,064.77mm)
26.55"
(674.37mm)
15.37"
(390.40mm)
125th Driest Driest since: 2017 1963
1st Wettest Wettest to Date 2018
Mar–Oct 2018
8-Month
45.04"
(1,144.02mm)
30.04"
(763.02mm)
15.00"
(381.00mm)
124th Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2011 2011
Feb–Oct 2018
9-Month
50.44"
(1,281.18mm)
32.64"
(829.06mm)
17.80"
(452.12mm)
124th Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
Jan–Oct 2018
10-Month
53.72"
(1,364.49mm)
35.69"
(906.53mm)
18.03"
(457.96mm)
125th Driest Driest since: 2017 1963
1st Wettest Wettest to Date 2018
Dec 2017–Oct 2018
11-Month
55.42"
(1,407.67mm)
38.79"
(985.27mm)
16.63"
(422.40mm)
123rd Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
Nov 2017–Oct 2018
12-Month
58.31"
(1,481.07mm)
42.00"
(1,066.80mm)
16.31"
(414.27mm)
123rd Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
May 2017–Oct 2018
18-Month
86.01"
(2,184.65mm)
64.86"
(1,647.44mm)
21.15"
(537.21mm)
122nd Driest Driest since: 2017 1963
3rd Wettest Wettest since: 2004 2019
Nov 2016–Oct 2018
24-Month
105.44"
(2,678.18mm)
83.94"
(2,132.08mm)
21.50"
(546.10mm)
121st Driest Driest since: 2017 1964
3rd Wettest Wettest since: 2004 2019
Nov 2015–Oct 2018
36-Month
145.49"
(3,695.45mm)
125.92"
(3,198.37mm)
19.57"
(497.08mm)
115th Driest Driest since: 2017 1965
8th Wettest Wettest since: 2013 2019
Nov 2014–Oct 2018
48-Month
187.83"
(4,770.88mm)
167.91"
(4,264.91mm)
19.92"
(505.97mm)
112th Driest Driest since: 2017 1966
10th Wettest Wettest since: 2014 2019
Nov 2013–Oct 2018
60-Month
232.27"
(5,899.66mm)
209.89"
(5,331.21mm)
22.38"
(568.45mm)
111th Driest Driest since: 2017 1966
10th Wettest Wettest since: 2015 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 25, 2020 from https://www.ncdc.noaa.gov/cag/