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 1939

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 1939
1-Month
3.30"
(83.82mm)
3.59"
(91.19mm)
-0.29"
(-7.37mm)
60th Driest Driest since: 1937 1943
68th Wettest Wettest since: 1938 2011
Ties: 1931, 1953
Aug–Sep 1939
2-Month
6.00"
(152.40mm)
7.45"
(189.23mm)
-1.45"
(-36.83mm)
32nd Driest Driest since: 1932 1943
96th Wettest Wettest since: 1938 2011
Jul–Sep 1939
3-Month
9.34"
(237.24mm)
11.64"
(295.66mm)
-2.30"
(-58.42mm)
24th Driest Driest since: 1932 1930
104th Wettest Wettest since: 1938 2018
Jun–Sep 1939
4-Month
13.73"
(348.74mm)
15.81"
(401.57mm)
-2.08"
(-52.83mm)
29th Driest Driest since: 1932 1930
99th Wettest Wettest since: 1938 2018
May–Sep 1939
5-Month
15.33"
(389.38mm)
19.74"
(501.40mm)
-4.41"
(-112.02mm)
13th Driest Driest since: 1932 1930
115th Wettest Wettest since: 1938 2018
Apr–Sep 1939
6-Month
18.84"
(478.54mm)
23.38"
(593.85mm)
-4.54"
(-115.31mm)
11th Driest Driest since: 1932 1930
117th Wettest Wettest since: 1938 2018
Mar–Sep 1939
7-Month
22.55"
(572.77mm)
26.87"
(682.50mm)
-4.32"
(-109.73mm)
16th Driest Driest since: 1932 1930
112th Wettest Wettest since: 1938 2011
Ties: 1910
Feb–Sep 1939
8-Month
26.95"
(684.53mm)
29.47"
(748.54mm)
-2.52"
(-64.01mm)
28th Driest Driest since: 1932 1995
100th Wettest Wettest since: 1938 2011
Jan–Sep 1939
9-Month
30.12"
(765.05mm)
32.52"
(826.01mm)
-2.40"
(-60.96mm)
30th Driest Driest since: 1932 1930
98th Wettest Wettest since: 1938 2018
Dec 1938–Sep 1939
10-Month
32.70"
(830.58mm)
35.62"
(904.75mm)
-2.92"
(-74.17mm)
24th Driest Driest since: 1932 1963
103rd Wettest Wettest since: 1938 2011
Nov 1938–Sep 1939
11-Month
35.88"
(911.35mm)
38.83"
(986.28mm)
-2.95"
(-74.93mm)
32nd Driest Driest since: 1934 1963
95th Wettest Wettest since: 1938 2011
Oct 1938–Sep 1939
12-Month
37.62"
(955.55mm)
42.00"
(1,066.80mm)
-4.38"
(-111.25mm)
23rd Driest Driest since: 1934 1925
104th Wettest Wettest since: 1938 2011
Apr 1938–Sep 1939
18-Month
61.65"
(1,565.91mm)
65.31"
(1,658.87mm)
-3.66"
(-92.96mm)
28th Driest Driest since: 1932 1966
99th Wettest Wettest since: 1938 2019
Oct 1937–Sep 1939
24-Month
81.33"
(2,065.78mm)
83.94"
(2,132.08mm)
-2.61"
(-66.30mm)
38th Driest Driest since: 1936 1966
88th Wettest Wettest since: 1938 2019
Oct 1936–Sep 1939
36-Month
128.47"
(3,263.14mm)
125.94"
(3,198.88mm)
2.53"
(64.26mm)
73rd Driest Driest since: 1937 1965
52nd Wettest Wettest since: 1938 2019
Oct 1935–Sep 1939
48-Month
170.40"
(4,328.16mm)
167.94"
(4,265.68mm)
2.46"
(62.48mm)
67th Driest Driest since: 1937 1966
57th Wettest Wettest since: 1938 2021
Oct 1934–Sep 1939
60-Month
209.39"
(5,318.51mm)
209.89"
(5,331.21mm)
-0.50"
(-12.70mm)
52nd Driest Driest since: 1938 1966
71st Wettest Wettest since: 1937 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 29, 2022 from https://www.ncei.noaa.gov/cag/