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 August 2020. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, May 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1975
1-Month
4.31"
(109.47mm)
3.56"
(90.42mm)
0.75"
(19.05mm)
86th Driest Driest since: 1973 1964
41st Wettest Wettest since: 1974 1948
Apr–May 1975
2-Month
8.05"
(204.47mm)
7.04"
(178.82mm)
1.01"
(25.65mm)
87th Driest Driest since: 1974 1942
40th Wettest Wettest since: 1973 1948
Ties: 1971
Mar–May 1975
3-Month
13.62"
(345.95mm)
11.01"
(279.65mm)
2.61"
(66.30mm)
107th Driest Driest since: 1974 1986
20th Wettest Wettest since: 1958 1983
Feb–May 1975
4-Month
16.67"
(423.42mm)
14.06"
(357.12mm)
2.61"
(66.30mm)
105th Driest Driest since: 1974 2006
22nd Wettest Wettest since: 1961 1983
Jan–May 1975
5-Month
21.65"
(549.91mm)
17.55"
(445.77mm)
4.10"
(104.14mm)
112th Driest Driest since: 1974 2012
15th Wettest Wettest since: 1958 1948
Dec 1974–May 1975
6-Month
26.57"
(674.88mm)
21.01"
(533.65mm)
5.56"
(141.23mm)
114th Driest Driest since: 1974 1986
12th Wettest Wettest since: 1958 1984
Nov 1974–May 1975
7-Month
27.61"
(701.29mm)
24.08"
(611.63mm)
3.53"
(89.66mm)
100th Driest Driest since: 1974 1977
26th Wettest Wettest since: 1973 1984
Oct 1974–May 1975
8-Month
29.41"
(747.01mm)
27.23"
(691.64mm)
2.18"
(55.37mm)
93rd Driest Driest since: 1974 2002
33rd Wettest Wettest since: 1973 1984
Sep 1974–May 1975
9-Month
33.65"
(854.71mm)
30.82"
(782.83mm)
2.83"
(71.88mm)
91st Driest Driest since: 1974 2002
35th Wettest Wettest since: 1973 1984
Aug 1974–May 1975
10-Month
38.88"
(987.55mm)
35.40"
(899.16mm)
3.48"
(88.39mm)
88th Driest Driest since: 1974 1985
38th Wettest Wettest since: 1973 2010
Jul 1974–May 1975
11-Month
40.01"
(1,016.25mm)
39.69"
(1,008.13mm)
0.32"
(8.12mm)
66th Driest Driest since: 1974 1931
60th Wettest Wettest since: 1973 2019
Jun 1974–May 1975
12-Month
44.27"
(1,124.46mm)
43.32"
(1,100.33mm)
0.95"
(24.13mm)
65th Driest Driest since: 1974 1965
61st Wettest Wettest since: 1973 2010
Dec 1973–May 1975
18-Month
66.46"
(1,688.08mm)
64.29"
(1,632.97mm)
2.17"
(55.11mm)
76th Driest Driest since: 1974 1931
49th Wettest Wettest since: 1973 1949
Jun 1973–May 1975
24-Month
86.77"
(2,203.96mm)
86.54"
(2,198.12mm)
0.23"
(5.84mm)
60th Driest Driest since: 1970 1931
65th Wettest Wettest since: 1974 2019
Jun 1972–May 1975
36-Month
139.04"
(3,531.62mm)
129.85"
(3,298.19mm)
9.19"
(233.43mm)
94th Driest Driest since: 1971 1967
30th Wettest Wettest since: 1974 2005
Jun 1971–May 1975
48-Month
189.71"
(4,818.63mm)
173.12"
(4,397.25mm)
16.59"
(421.38mm)
109th Driest Driest since: 1974 1966
14th Wettest Wettest since: 1973 1939
Jun 1970–May 1975
60-Month
232.71"
(5,910.83mm)
216.25"
(5,492.75mm)
16.46"
(418.08mm)
104th Driest Driest since: 1973 1967
18th Wettest Wettest since: 1974 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 21, 2020 from https://www.ncdc.noaa.gov/cag/