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


Delaware

Precipitation Rankings, May 1931

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1931
1-Month
3.67"
(93.22mm)
3.56"
(90.42mm)
0.11"
(2.80mm)
67th Driest Driest since: 1930 1964
59th Wettest Wettest since: 1924 1948
Apr–May 1931
2-Month
6.57"
(166.88mm)
7.04"
(178.82mm)
-0.47"
(-11.94mm)
55th Driest Driest since: 1930 1942
71st Wettest Wettest since: 1929 1948
Ties: 1974, 2013
Mar–May 1931
3-Month
11.55"
(293.37mm)
11.01"
(279.65mm)
0.54"
(13.72mm)
81st Driest Driest since: 1930 1986
45th Wettest Wettest since: 1929 1983
Ties: 1937
Feb–May 1931
4-Month
13.06"
(331.72mm)
14.06"
(357.12mm)
-1.00"
(-25.40mm)
51st Driest Driest since: 1930 2006
75th Wettest Wettest since: 1929 1983
Jan–May 1931
5-Month
14.94"
(379.48mm)
17.55"
(445.77mm)
-2.61"
(-66.29mm)
28th Driest Driest since: 1930 2012
98th Wettest Wettest since: 1929 1948
Dec 1930–May 1931
6-Month
17.01"
(432.05mm)
21.01"
(533.65mm)
-4.00"
(-101.60mm)
25th Driest Driest since: 1930 1986
100th Wettest Wettest since: 1929 1984
Nov 1930–May 1931
7-Month
18.90"
(480.06mm)
24.08"
(611.63mm)
-5.18"
(-131.57mm)
15th Driest Driest since: 1930 1977
110th Wettest Wettest since: 1929 1984
Oct 1930–May 1931
8-Month
20.37"
(517.40mm)
27.23"
(691.64mm)
-6.86"
(-174.24mm)
9th Driest Driest since: 1925 2002
116th Wettest Wettest since: 1930 1984
Sep 1930–May 1931
9-Month
22.69"
(576.33mm)
30.82"
(782.83mm)
-8.13"
(-206.50mm)
6th Driest Driest to Date 2002
119th Wettest Wettest since: 1930 1984
Aug 1930–May 1931
10-Month
24.32"
(617.73mm)
35.41"
(899.41mm)
-11.09"
(-281.68mm)
2nd Driest Driest to Date 1985
123rd Wettest Wettest since: 1930 2010
Jul 1930–May 1931
11-Month
27.74"
(704.60mm)
39.69"
(1,008.13mm)
-11.95"
(-303.53mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Jun 1930–May 1931
12-Month
30.54"
(775.72mm)
43.32"
(1,100.33mm)
-12.78"
(-324.61mm)
2nd Driest Driest to Date 1965
123rd Wettest Wettest since: 1930 2010
Dec 1929–May 1931
18-Month
44.82"
(1,138.43mm)
64.29"
(1,632.97mm)
-19.47"
(-494.54mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 1949
Jun 1929–May 1931
24-Month
63.22"
(1,605.79mm)
86.54"
(2,198.12mm)
-23.32"
(-592.33mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 2019
Jun 1928–May 1931
36-Month
112.08"
(2,846.83mm)
129.85"
(3,298.19mm)
-17.77"
(-451.36mm)
5th Driest Driest to Date 1967
118th Wettest Wettest since: 1930 2005
Jun 1927–May 1931
48-Month
154.53"
(3,925.06mm)
173.12"
(4,397.25mm)
-18.59"
(-472.19mm)
8th Driest Driest to Date 1966
114th Wettest Wettest since: 1930 1939
Jun 1926–May 1931
60-Month
198.62"
(5,044.95mm)
216.25"
(5,492.75mm)
-17.63"
(-447.80mm)
10th Driest Driest since: 1917 1967
111th Wettest Wettest since: 1930 1939

Citing This Page

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