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 December 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, August 1939

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1939
1-Month
7.84"
(199.14mm)
4.59"
(116.59mm)
3.25"
(82.55mm)
112th Driest Driest since: 1938 2008
14th Wettest Wettest since: 1937 1967
Ties: 1915
Jul–Aug 1939
2-Month
11.08"
(281.43mm)
8.90"
(226.06mm)
2.18"
(55.37mm)
94th Driest Driest since: 1936 1966
32nd Wettest Wettest since: 1938 1919
Jun–Aug 1939
3-Month
14.44"
(366.78mm)
12.54"
(318.52mm)
1.90"
(48.26mm)
87th Driest Driest since: 1936 1966
39th Wettest Wettest since: 1938 2013
May–Aug 1939
4-Month
15.17"
(385.32mm)
16.10"
(408.94mm)
-0.93"
(-23.62mm)
53rd Driest Driest since: 1936 1964
73rd Wettest Wettest since: 1938 1919
Apr–Aug 1939
5-Month
20.93"
(531.62mm)
19.58"
(497.33mm)
1.35"
(34.29mm)
77th Driest Driest since: 1936 1957
49th Wettest Wettest since: 1938 1919
Mar–Aug 1939
6-Month
26.16"
(664.46mm)
23.55"
(598.17mm)
2.61"
(66.29mm)
89th Driest Driest since: 1936 1930
37th Wettest Wettest since: 1938 1989
Feb–Aug 1939
7-Month
31.65"
(803.91mm)
26.60"
(675.64mm)
5.05"
(128.27mm)
104th Driest Driest since: 1938 1930
22nd Wettest Wettest since: 1933 1958
Jan–Aug 1939
8-Month
35.41"
(899.41mm)
30.09"
(764.29mm)
5.32"
(135.12mm)
107th Driest Driest since: 1938 1930
19th Wettest Wettest since: 1937 1958
Dec 1938–Aug 1939
9-Month
38.20"
(970.28mm)
33.55"
(852.17mm)
4.65"
(118.11mm)
100th Driest Driest since: 1938 1930
25th Wettest Wettest since: 1937 1958
Nov 1938–Aug 1939
10-Month
41.46"
(1,053.08mm)
36.62"
(930.15mm)
4.84"
(122.93mm)
97th Driest Driest since: 1938 1977
28th Wettest Wettest since: 1937 1958
Oct 1938–Aug 1939
11-Month
43.98"
(1,117.09mm)
39.77"
(1,010.16mm)
4.21"
(106.93mm)
93rd Driest Driest since: 1936 1966
32nd Wettest Wettest since: 1938 1958
Sep 1938–Aug 1939
12-Month
51.83"
(1,316.48mm)
43.36"
(1,101.34mm)
8.47"
(215.14mm)
105th Driest Driest since: 1938 1966
20th Wettest Wettest since: 1937 1958
Mar 1938–Aug 1939
18-Month
79.19"
(2,011.43mm)
66.82"
(1,697.23mm)
12.37"
(314.20mm)
116th Driest Driest since: 1938 1966
9th Wettest Wettest since: 1936 1984
Sep 1937–Aug 1939
24-Month
98.08"
(2,491.23mm)
86.56"
(2,198.62mm)
11.52"
(292.61mm)
103rd Driest Driest since: 1935 1966
21st Wettest Wettest since: 1938 2004
Sep 1936–Aug 1939
36-Month
151.31"
(3,843.27mm)
129.84"
(3,297.94mm)
21.47"
(545.33mm)
118th Driest Driest since: 1936 1966
5th Wettest Wettest since: 1938 2005
Sep 1935–Aug 1939
48-Month
206.81"
(5,252.97mm)
173.06"
(4,395.72mm)
33.75"
(857.25mm)
121st Driest Driest since: 1938 1966
1st Wettest Wettest to Date 1939
Sep 1934–Aug 1939
60-Month
254.09"
(6,453.89mm)
216.24"
(5,492.50mm)
37.85"
(961.39mm)
119th Driest Driest since: 1938 1966
2nd Wettest Wettest since: 1937 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 26, 2020 from https://www.ncdc.noaa.gov/cag/