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 2020. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, May 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1974
1-Month
4.43"
(112.52mm)
3.56"
(90.42mm)
0.87"
(22.10mm)
90th Driest Driest since: 1973 1964
37th Wettest Wettest since: 1972 1948
Ties: 1961
Apr–May 1974
2-Month
6.57"
(166.88mm)
7.04"
(178.82mm)
-0.47"
(-11.94mm)
55th Driest Driest since: 1969 1942
72nd Wettest Wettest since: 1973 1948
Ties: 1931, 2013
Mar–May 1974
3-Month
11.05"
(280.67mm)
11.01"
(279.65mm)
0.04"
(1.02mm)
69th Driest Driest since: 1971 1986
58th Wettest Wettest since: 1973 1983
Feb–May 1974
4-Month
12.89"
(327.41mm)
14.06"
(357.12mm)
-1.17"
(-29.71mm)
44th Driest Driest since: 1969 2006
83rd Wettest Wettest since: 1973 1983
Jan–May 1974
5-Month
16.11"
(409.19mm)
17.55"
(445.77mm)
-1.44"
(-36.58mm)
46th Driest Driest since: 1970 2012
81st Wettest Wettest since: 1973 1948
Dec 1973–May 1974
6-Month
22.19"
(563.63mm)
21.01"
(533.65mm)
1.18"
(29.98mm)
80th Driest Driest since: 1972 1986
46th Wettest Wettest since: 1973 1984
Nov 1973–May 1974
7-Month
23.67"
(601.22mm)
24.08"
(611.63mm)
-0.41"
(-10.41mm)
63rd Driest Driest since: 1969 1977
63rd Wettest Wettest since: 1973 1984
Oct 1973–May 1974
8-Month
26.59"
(675.39mm)
27.23"
(691.64mm)
-0.64"
(-16.25mm)
60th Driest Driest since: 1970 2002
66th Wettest Wettest since: 1973 1984
Ties: 1935
Sep 1973–May 1974
9-Month
29.97"
(761.24mm)
30.82"
(782.83mm)
-0.85"
(-21.59mm)
61st Driest Driest since: 1969 2002
65th Wettest Wettest since: 1973 1984
Aug 1973–May 1974
10-Month
35.82"
(909.83mm)
35.41"
(899.41mm)
0.41"
(10.42mm)
70th Driest Driest since: 1971 1985
56th Wettest Wettest since: 1973 2010
Jul 1973–May 1974
11-Month
38.76"
(984.50mm)
39.69"
(1,008.13mm)
-0.93"
(-23.63mm)
57th Driest Driest since: 1971 1931
69th Wettest Wettest since: 1973 2019
Jun 1973–May 1974
12-Month
42.50"
(1,079.50mm)
43.32"
(1,100.33mm)
-0.82"
(-20.83mm)
56th Driest Driest since: 1969 1965
70th Wettest Wettest since: 1973 2010
Dec 1972–May 1974
18-Month
66.10"
(1,678.94mm)
64.29"
(1,632.97mm)
1.81"
(45.97mm)
73rd Driest Driest since: 1971 1931
52nd Wettest Wettest since: 1973 1949
Jun 1972–May 1974
24-Month
94.77"
(2,407.16mm)
86.54"
(2,198.12mm)
8.23"
(209.04mm)
95th Driest Driest since: 1972 1931
30th Wettest Wettest since: 1973 2019
Jun 1971–May 1974
36-Month
145.44"
(3,694.18mm)
129.85"
(3,298.19mm)
15.59"
(395.99mm)
113th Driest Driest since: 1972 1967
11th Wettest Wettest since: 1973 2005
Jun 1970–May 1974
48-Month
188.44"
(4,786.38mm)
173.12"
(4,397.25mm)
15.32"
(389.13mm)
107th Driest Driest since: 1972 1966
16th Wettest Wettest since: 1973 1939
Jun 1969–May 1974
60-Month
235.39"
(5,978.91mm)
216.25"
(5,492.75mm)
19.14"
(486.16mm)
112th Driest Driest since: 1973 1967
10th Wettest Wettest since: 1940 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 30, 2020 from https://www.ncdc.noaa.gov/cag/