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 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2018
1-Month
8.88"
(225.55mm)
3.59"
(91.19mm)
5.29"
(134.36mm)
126th Driest Driest since: 2017 1943
2nd Wettest Wettest since: 2011 2011
Aug–Sep 2018
2-Month
15.14"
(384.56mm)
7.45"
(189.23mm)
7.69"
(195.33mm)
126th Driest Driest since: 2017 1943
2nd Wettest Wettest since: 2011 2011
Jul–Sep 2018
3-Month
22.67"
(575.82mm)
11.64"
(295.66mm)
11.03"
(280.16mm)
127th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jun–Sep 2018
4-Month
27.99"
(710.95mm)
15.81"
(401.57mm)
12.18"
(309.38mm)
127th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
May–Sep 2018
5-Month
33.47"
(850.14mm)
19.74"
(501.40mm)
13.73"
(348.74mm)
127th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Apr–Sep 2018
6-Month
37.64"
(956.06mm)
23.38"
(593.85mm)
14.26"
(362.21mm)
127th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Mar–Sep 2018
7-Month
40.76"
(1,035.30mm)
26.87"
(682.50mm)
13.89"
(352.80mm)
126th Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2011 2011
Feb–Sep 2018
8-Month
46.16"
(1,172.46mm)
29.47"
(748.54mm)
16.69"
(423.92mm)
126th Driest Driest since: 2017 1995
2nd Wettest Wettest since: 2011 2011
Jan–Sep 2018
9-Month
49.44"
(1,255.78mm)
32.52"
(826.01mm)
16.92"
(429.77mm)
127th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Dec 2017–Sep 2018
10-Month
51.14"
(1,298.96mm)
35.62"
(904.75mm)
15.52"
(394.21mm)
125th Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
Nov 2017–Sep 2018
11-Month
54.03"
(1,372.36mm)
38.83"
(986.28mm)
15.20"
(386.08mm)
125th Driest Driest since: 2017 1963
2nd Wettest Wettest since: 2011 2011
Oct 2017–Sep 2018
12-Month
59.12"
(1,501.65mm)
42.00"
(1,066.80mm)
17.12"
(434.85mm)
125th Driest Driest since: 2017 1925
2nd Wettest Wettest since: 2011 2011
Apr 2017–Sep 2018
18-Month
86.05"
(2,185.67mm)
65.31"
(1,658.87mm)
20.74"
(526.80mm)
124th Driest Driest since: 2017 1966
3rd Wettest Wettest since: 2004 2019
Oct 2016–Sep 2018
24-Month
105.47"
(2,678.94mm)
83.94"
(2,132.08mm)
21.53"
(546.86mm)
123rd Driest Driest since: 2017 1966
3rd Wettest Wettest since: 2004 2019
Oct 2015–Sep 2018
36-Month
144.99"
(3,682.75mm)
125.94"
(3,198.88mm)
19.05"
(483.87mm)
116th Driest Driest since: 2017 1965
9th Wettest Wettest since: 2013 2019
Oct 2014–Sep 2018
48-Month
187.28"
(4,756.91mm)
167.94"
(4,265.68mm)
19.34"
(491.23mm)
112th Driest Driest since: 2017 1966
12th Wettest Wettest since: 2014 2021
Oct 2013–Sep 2018
60-Month
231.64"
(5,883.66mm)
209.89"
(5,331.21mm)
21.75"
(552.45mm)
110th Driest Driest since: 2017 1966
13th Wettest Wettest since: 2015 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2022, retrieved on August 7, 2022 from https://www.ncei.noaa.gov/cag/