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 1966

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1966
1-Month
4.15"
(105.41mm)
3.56"
(90.42mm)
0.59"
(14.99mm)
79th Driest Driest since: 1965 1964
47th Wettest Wettest since: 1961 1948
Apr–May 1966
2-Month
8.10"
(205.74mm)
7.04"
(178.82mm)
1.06"
(26.92mm)
88th Driest Driest since: 1965 1942
38th Wettest Wettest since: 1961 1948
Mar–May 1966
3-Month
9.62"
(244.35mm)
11.01"
(279.65mm)
-1.39"
(-35.30mm)
43rd Driest Driest since: 1965 1986
83rd Wettest Wettest since: 1963 1983
Ties: 1963
Feb–May 1966
4-Month
13.27"
(337.06mm)
14.06"
(357.12mm)
-0.79"
(-20.06mm)
55th Driest Driest since: 1965 2006
71st Wettest Wettest since: 1961 1983
Ties: 1928
Jan–May 1966
5-Month
16.59"
(421.39mm)
17.55"
(445.77mm)
-0.96"
(-24.38mm)
53rd Driest Driest since: 1965 2012
73rd Wettest Wettest since: 1964 1948
Dec 1965–May 1966
6-Month
17.51"
(444.75mm)
21.01"
(533.65mm)
-3.50"
(-88.90mm)
31st Driest Driest since: 1965 1986
94th Wettest Wettest since: 1964 1984
Nov 1965–May 1966
7-Month
18.34"
(465.84mm)
24.08"
(611.63mm)
-5.74"
(-145.79mm)
12th Driest Driest since: 1965 1977
113th Wettest Wettest since: 1964 1984
Oct 1965–May 1966
8-Month
19.62"
(498.35mm)
27.23"
(691.64mm)
-7.61"
(-193.29mm)
4th Driest Driest to Date 2002
121st Wettest Wettest since: 1965 1984
Sep 1965–May 1966
9-Month
22.31"
(566.67mm)
30.82"
(782.83mm)
-8.51"
(-216.16mm)
4th Driest Driest since: 1942 2002
121st Wettest Wettest since: 1965 1984
Aug 1965–May 1966
10-Month
27.49"
(698.25mm)
35.41"
(899.41mm)
-7.92"
(-201.16mm)
9th Driest Driest since: 1965 1985
116th Wettest Wettest since: 1964 2010
Jul 1965–May 1966
11-Month
31.97"
(812.04mm)
39.69"
(1,008.13mm)
-7.72"
(-196.09mm)
10th Driest Driest since: 1965 1931
115th Wettest Wettest since: 1964 2019
Jun 1965–May 1966
12-Month
34.43"
(874.52mm)
43.32"
(1,100.33mm)
-8.89"
(-225.81mm)
6th Driest Driest since: 1965 1965
119th Wettest Wettest since: 1964 2010
Dec 1964–May 1966
18-Month
49.82"
(1,265.43mm)
64.29"
(1,632.97mm)
-14.47"
(-367.54mm)
2nd Driest Driest since: 1931 1931
122nd Wettest Wettest since: 1965 1949
Jun 1964–May 1966
24-Month
64.71"
(1,643.63mm)
86.54"
(2,198.12mm)
-21.83"
(-554.49mm)
2nd Driest Driest since: 1931 1931
122nd Wettest Wettest since: 1965 2019
Jun 1963–May 1966
36-Month
104.34"
(2,650.24mm)
129.85"
(3,298.19mm)
-25.51"
(-647.95mm)
2nd Driest Driest to Date 1967
121st Wettest Wettest since: 1965 2005
Jun 1962–May 1966
48-Month
139.82"
(3,551.43mm)
173.12"
(4,397.25mm)
-33.30"
(-845.82mm)
1st Driest Driest to Date 1966
121st Wettest Wettest since: 1965 1939
Jun 1961–May 1966
60-Month
180.96"
(4,596.38mm)
216.25"
(5,492.75mm)
-35.29"
(-896.37mm)
3rd Driest Driest to Date 1967
118th Wettest Wettest since: 1965 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/