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 2021. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, July 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
July 1939
1-Month
3.24"
(82.30mm)
4.31"
(109.47mm)
-1.07"
(-27.17mm)
37th Driest Driest since: 1932 1974
90th Wettest Wettest since: 1938 1938
Jun–Jul 1939
2-Month
6.60"
(167.64mm)
7.95"
(201.93mm)
-1.35"
(-34.29mm)
43rd Driest Driest since: 1932 1949
84th Wettest Wettest since: 1938 2013
May–Jul 1939
3-Month
7.33"
(186.18mm)
11.50"
(292.10mm)
-4.17"
(-105.92mm)
10th Driest Driest since: 1911 1964
117th Wettest Wettest since: 1938 1989
Apr–Jul 1939
4-Month
13.09"
(332.49mm)
14.98"
(380.49mm)
-1.89"
(-48.00mm)
39th Driest Driest since: 1936 1986
88th Wettest Wettest since: 1938 1989
Mar–Jul 1939
5-Month
18.32"
(465.33mm)
18.96"
(481.58mm)
-0.64"
(-16.25mm)
53rd Driest Driest since: 1936 1986
74th Wettest Wettest since: 1938 1989
Feb–Jul 1939
6-Month
23.81"
(604.77mm)
22.01"
(559.05mm)
1.80"
(45.72mm)
90th Driest Driest since: 1937 1986
37th Wettest Wettest since: 1938 1989
Ties: 1970
Jan–Jul 1939
7-Month
27.57"
(700.28mm)
25.50"
(647.70mm)
2.07"
(52.58mm)
89th Driest Driest since: 1932 1977
38th Wettest Wettest since: 1938 1989
Dec 1938–Jul 1939
8-Month
30.36"
(771.14mm)
28.96"
(735.58mm)
1.40"
(35.56mm)
77th Driest Driest since: 1932 1986
49th Wettest Wettest since: 1938 1958
Nov 1938–Jul 1939
9-Month
33.62"
(853.95mm)
32.02"
(813.31mm)
1.60"
(40.64mm)
77th Driest Driest since: 1932 1977
49th Wettest Wettest since: 1938 1984
Oct 1938–Jul 1939
10-Month
36.14"
(917.96mm)
35.18"
(893.57mm)
0.96"
(24.39mm)
71st Driest Driest since: 1934 2002
55th Wettest Wettest since: 1938 2003
Sep 1938–Jul 1939
11-Month
43.99"
(1,117.35mm)
38.77"
(984.76mm)
5.22"
(132.59mm)
99th Driest Driest since: 1938 2002
27th Wettest Wettest since: 1937 2003
Aug 1938–Jul 1939
12-Month
47.01"
(1,194.05mm)
43.35"
(1,101.09mm)
3.66"
(92.96mm)
88th Driest Driest since: 1932 1985
38th Wettest Wettest since: 1938 2003
Feb 1938–Jul 1939
18-Month
74.22"
(1,885.19mm)
65.29"
(1,658.37mm)
8.93"
(226.82mm)
108th Driest Driest since: 1937 1931
18th Wettest Wettest since: 1938 1984
Aug 1937–Jul 1939
24-Month
98.24"
(2,495.30mm)
86.54"
(2,198.12mm)
11.70"
(297.18mm)
109th Driest Driest since: 1935 1931
16th Wettest Wettest since: 1938 2004
Aug 1936–Jul 1939
36-Month
148.96"
(3,783.58mm)
129.85"
(3,298.19mm)
19.11"
(485.39mm)
117th Driest Driest since: 1935 1966
7th Wettest Wettest since: 1938 2005
Aug 1935–Jul 1939
48-Month
202.72"
(5,149.09mm)
173.06"
(4,395.72mm)
29.66"
(753.37mm)
121st Driest Driest since: 1937 1966
2nd Wettest Wettest since: 1938 1938
Aug 1934–Jul 1939
60-Month
251.13"
(6,378.70mm)
216.21"
(5,491.73mm)
34.92"
(886.97mm)
120th Driest Driest since: 1937 1966
2nd Wettest Wettest since: 1938 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 22, 2021 from https://www.ncdc.noaa.gov/cag/