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 May 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 1901

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1901
1-Month
3.42"
(86.87mm)
3.59"
(91.19mm)
-0.17"
(-4.32mm)
67th Driest Driest since: 1900 1943
61st Wettest Wettest since: 1899 2011
Aug–Sep 1901
2-Month
10.41"
(264.41mm)
7.45"
(189.23mm)
2.96"
(75.18mm)
113th Driest Driest since: 1900 1943
15th Wettest Wettest to Date 2011
Ties: 1994
Jul–Sep 1901
3-Month
14.46"
(367.28mm)
11.64"
(295.66mm)
2.82"
(71.62mm)
106th Driest Driest since: 1900 1930
22nd Wettest Wettest to Date 2018
Jun–Sep 1901
4-Month
18.39"
(467.11mm)
15.81"
(401.57mm)
2.58"
(65.54mm)
100th Driest Driest since: 1900 1930
28th Wettest Wettest to Date 2018
May–Sep 1901
5-Month
24.11"
(612.39mm)
19.74"
(501.40mm)
4.37"
(110.99mm)
112th Driest Driest since: 1900 1930
16th Wettest Wettest to Date 2018
Apr–Sep 1901
6-Month
29.69"
(754.13mm)
23.38"
(593.85mm)
6.31"
(160.28mm)
121st Driest Driest since: 1900 1930
7th Wettest Wettest to Date 2018
Mar–Sep 1901
7-Month
33.79"
(858.27mm)
26.87"
(682.50mm)
6.92"
(175.77mm)
121st Driest Driest since: 1900 1930
7th Wettest Wettest to Date 2011
Feb–Sep 1901
8-Month
34.78"
(883.41mm)
29.47"
(748.54mm)
5.31"
(134.87mm)
114th Driest Driest since: 1900 1995
14th Wettest Wettest to Date 2011
Jan–Sep 1901
9-Month
37.09"
(942.09mm)
32.52"
(826.01mm)
4.57"
(116.08mm)
111th Driest Driest since: 1900 1930
17th Wettest Wettest to Date 2018
Dec 1900–Sep 1901
10-Month
39.29"
(997.97mm)
35.62"
(904.75mm)
3.67"
(93.22mm)
98th Driest Driest since: 1900 1963
29th Wettest Wettest to Date 2011
Nov 1900–Sep 1901
11-Month
43.84"
(1,113.54mm)
38.83"
(986.28mm)
5.01"
(127.26mm)
105th Driest Driest since: 1900 1963
22nd Wettest Wettest to Date 2011
Oct 1900–Sep 1901
12-Month
46.87"
(1,190.50mm)
42.00"
(1,066.80mm)
4.87"
(123.70mm)
100th Driest Driest since: 1900 1925
27th Wettest Wettest to Date 2011
Apr 1900–Sep 1901
18-Month
64.46"
(1,637.28mm)
65.31"
(1,658.87mm)
-0.85"
(-21.59mm)
47th Driest Driest since: 1900 1966
80th Wettest Wettest since: 1899 2019
Oct 1899–Sep 1901
24-Month
82.60"
(2,098.04mm)
83.94"
(2,132.08mm)
-1.34"
(-34.04mm)
46th Driest Driest since: 1900 1966
80th Wettest Wettest since: 1899 2019
Oct 1898–Sep 1901
36-Month
127.78"
(3,245.61mm)
125.94"
(3,198.88mm)
1.84"
(46.73mm)
66th Driest Driest since: 1900 1965
59th Wettest Wettest since: 1899 2019
Oct 1897–Sep 1901
48-Month
171.11"
(4,346.19mm)
167.94"
(4,265.68mm)
3.17"
(80.51mm)
72nd Driest Driest since: 1900 1966
52nd Wettest Wettest to Date 2021
Ties: 1908
Oct 1896–Sep 1901
60-Month
210.40"
(5,344.16mm)
209.89"
(5,331.21mm)
0.51"
(12.95mm)
56th Driest Driest since: 1900 1966
67th Wettest Wettest to Date 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 30, 2022 from https://www.ncei.noaa.gov/cag/