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


Delaware

Precipitation Rankings, May 1921

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1921
1-Month
3.64"
(92.46mm)
3.56"
(90.42mm)
0.08"
(2.04mm)
65th Driest Driest since: 1920 1964
61st Wettest Wettest since: 1919 1948
Apr–May 1921
2-Month
7.06"
(179.32mm)
7.04"
(178.82mm)
0.02"
(0.50mm)
67th Driest Driest since: 1920 1942
59th Wettest Wettest since: 1919 1948
Ties: 2007
Mar–May 1921
3-Month
9.58"
(243.33mm)
11.01"
(279.65mm)
-1.43"
(-36.32mm)
41st Driest Driest since: 1915 1986
85th Wettest Wettest since: 1920 1983
Feb–May 1921
4-Month
12.77"
(324.36mm)
14.06"
(357.12mm)
-1.29"
(-32.76mm)
40th Driest Driest since: 1915 2006
86th Wettest Wettest since: 1920 1983
Jan–May 1921
5-Month
15.16"
(385.06mm)
17.55"
(445.77mm)
-2.39"
(-60.71mm)
32nd Driest Driest since: 1914 2012
94th Wettest Wettest since: 1920 1948
Dec 1920–May 1921
6-Month
18.64"
(473.46mm)
21.01"
(533.65mm)
-2.37"
(-60.19mm)
38th Driest Driest since: 1914 1986
87th Wettest Wettest since: 1920 1984
Nov 1920–May 1921
7-Month
23.97"
(608.84mm)
24.08"
(611.63mm)
-0.11"
(-2.79mm)
66th Driest Driest since: 1918 1977
59th Wettest Wettest since: 1920 1984
Oct 1920–May 1921
8-Month
25.24"
(641.10mm)
27.23"
(691.64mm)
-1.99"
(-50.54mm)
48th Driest Driest since: 1916 2002
77th Wettest Wettest since: 1920 1984
Sep 1920–May 1921
9-Month
27.74"
(704.60mm)
30.82"
(782.83mm)
-3.08"
(-78.23mm)
42nd Driest Driest since: 1916 2002
83rd Wettest Wettest since: 1920 1984
Aug 1920–May 1921
10-Month
34.91"
(886.71mm)
35.41"
(899.41mm)
-0.50"
(-12.70mm)
66th Driest Driest since: 1919 1985
59th Wettest Wettest since: 1920 2010
Jul 1920–May 1921
11-Month
39.68"
(1,007.87mm)
39.69"
(1,008.13mm)
-0.01"
(-0.26mm)
62nd Driest Driest since: 1919 1931
63rd Wettest Wettest since: 1920 2019
Ties: 1987
Jun 1920–May 1921
12-Month
45.51"
(1,155.95mm)
43.32"
(1,100.33mm)
2.19"
(55.62mm)
76th Driest Driest since: 1919 1965
49th Wettest Wettest since: 1920 2010
Dec 1919–May 1921
18-Month
66.93"
(1,700.02mm)
64.29"
(1,632.97mm)
2.64"
(67.05mm)
79th Driest Driest since: 1919 1931
45th Wettest Wettest since: 1920 1949
Jun 1919–May 1921
24-Month
96.43"
(2,449.32mm)
86.54"
(2,198.12mm)
9.89"
(251.20mm)
103rd Driest Driest since: 1920 1931
21st Wettest Wettest since: 1908 2019
Jun 1918–May 1921
36-Month
135.45"
(3,440.43mm)
129.85"
(3,298.19mm)
5.60"
(142.24mm)
75th Driest Driest since: 1919 1967
48th Wettest Wettest since: 1920 2005
Jun 1917–May 1921
48-Month
182.34"
(4,631.44mm)
173.12"
(4,397.25mm)
9.22"
(234.19mm)
92nd Driest Driest since: 1920 1966
30th Wettest Wettest since: 1909 1939
Jun 1916–May 1921
60-Month
223.29"
(5,671.57mm)
216.25"
(5,492.75mm)
7.04"
(178.82mm)
76th Driest Driest since: 1920 1967
45th Wettest Wettest since: 1909 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/