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


Delaware

Precipitation Rankings, September 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1939
1-Month
2.59"
(65.79mm)
3.60"
(91.44mm)
-1.01"
(-25.65mm)
44th Driest Driest since: 1937 1941
84th Wettest Wettest since: 1938 1935
Aug–Sep 1939
2-Month
10.43"
(264.92mm)
8.19"
(208.03mm)
2.24"
(56.89mm)
102nd Driest Driest since: 1937 2005
26th Wettest Wettest since: 1938 1928
Jul–Sep 1939
3-Month
13.67"
(347.22mm)
12.51"
(317.75mm)
1.16"
(29.47mm)
84th Driest Driest since: 1937 1968
44th Wettest Wettest since: 1938 1938
Jun–Sep 1939
4-Month
17.03"
(432.56mm)
16.14"
(409.96mm)
0.89"
(22.60mm)
72nd Driest Driest since: 1932 1968
56th Wettest Wettest since: 1938 1938
May–Sep 1939
5-Month
17.76"
(451.10mm)
19.70"
(500.38mm)
-1.94"
(-49.28mm)
45th Driest Driest since: 1932 1964
83rd Wettest Wettest since: 1938 1989
Apr–Sep 1939
6-Month
23.52"
(597.41mm)
23.18"
(588.77mm)
0.34"
(8.64mm)
73rd Driest Driest since: 1936 1986
55th Wettest Wettest since: 1938 1989
Mar–Sep 1939
7-Month
28.75"
(730.25mm)
27.16"
(689.86mm)
1.59"
(40.39mm)
83rd Driest Driest since: 1936 1986
45th Wettest Wettest since: 1938 1989
Feb–Sep 1939
8-Month
34.24"
(869.70mm)
30.20"
(767.08mm)
4.04"
(102.62mm)
97th Driest Driest since: 1937 1930
31st Wettest Wettest since: 1938 1989
Jan–Sep 1939
9-Month
38.00"
(965.20mm)
33.69"
(855.73mm)
4.31"
(109.47mm)
100th Driest Driest since: 1932 1930
28th Wettest Wettest since: 1938 1989
Dec 1938–Sep 1939
10-Month
40.79"
(1,036.07mm)
37.15"
(943.61mm)
3.64"
(92.46mm)
90th Driest Driest since: 1932 1986
37th Wettest Wettest since: 1938 1958
Nov 1938–Sep 1939
11-Month
44.05"
(1,118.87mm)
40.22"
(1,021.59mm)
3.83"
(97.28mm)
88th Driest Driest since: 1932 1930
39th Wettest Wettest since: 1938 1958
Oct 1938–Sep 1939
12-Month
46.57"
(1,182.88mm)
43.37"
(1,101.60mm)
3.20"
(81.28mm)
82nd Driest Driest since: 1932 1986
45th Wettest Wettest since: 1938 2003
Apr 1938–Sep 1939
18-Month
78.89"
(2,003.81mm)
66.48"
(1,688.59mm)
12.41"
(315.22mm)
114th Driest Driest since: 1937 1966
13th Wettest Wettest since: 1938 2010
Oct 1937–Sep 1939
24-Month
99.08"
(2,516.63mm)
86.63"
(2,200.40mm)
12.45"
(316.23mm)
113th Driest Driest since: 1937 1966
13th Wettest Wettest since: 1938 2004
Oct 1936–Sep 1939
36-Month
149.33"
(3,792.98mm)
129.92"
(3,299.97mm)
19.41"
(493.01mm)
120th Driest Driest since: 1936 1966
5th Wettest Wettest since: 1938 1935
Oct 1935–Sep 1939
48-Month
197.81"
(5,024.37mm)
173.15"
(4,398.01mm)
24.66"
(626.36mm)
119th Driest Driest since: 1937 1966
5th Wettest Wettest since: 1938 1936
Oct 1934–Sep 1939
60-Month
249.56"
(6,338.82mm)
216.34"
(5,495.04mm)
33.22"
(843.78mm)
120th Driest Driest since: 1936 1966
3rd Wettest Wettest since: 1938 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 3, 2022 from https://www.ncdc.noaa.gov/cag/