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 1947

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1947
1-Month
5.41"
(137.41mm)
3.56"
(90.42mm)
1.85"
(46.99mm)
108th Driest Driest since: 1945 1964
18th Wettest Wettest since: 1946 1948
Ties: 1971
Apr–May 1947
2-Month
9.08"
(230.63mm)
7.04"
(178.82mm)
2.04"
(51.81mm)
107th Driest Driest since: 1946 1942
19th Wettest Wettest since: 1940 1948
Mar–May 1947
3-Month
10.87"
(276.10mm)
11.01"
(279.65mm)
-0.14"
(-3.55mm)
65th Driest Driest since: 1945 1986
61st Wettest Wettest since: 1946 1983
Feb–May 1947
4-Month
12.23"
(310.64mm)
14.06"
(357.12mm)
-1.83"
(-46.48mm)
33rd Driest Driest since: 1942 2006
93rd Wettest Wettest since: 1946 1983
Jan–May 1947
5-Month
16.94"
(430.28mm)
17.55"
(445.77mm)
-0.61"
(-15.49mm)
61st Driest Driest since: 1946 2012
65th Wettest Wettest since: 1944 1948
Dec 1946–May 1947
6-Month
19.02"
(483.11mm)
21.01"
(533.65mm)
-1.99"
(-50.54mm)
41st Driest Driest since: 1942 1986
84th Wettest Wettest since: 1946 1984
Nov 1946–May 1947
7-Month
20.85"
(529.59mm)
24.08"
(611.63mm)
-3.23"
(-82.04mm)
39th Driest Driest since: 1942 1977
86th Wettest Wettest since: 1946 1984
Oct 1946–May 1947
8-Month
22.84"
(580.14mm)
27.23"
(691.64mm)
-4.39"
(-111.50mm)
23rd Driest Driest since: 1942 2002
102nd Wettest Wettest since: 1946 1984
Sep 1946–May 1947
9-Month
25.53"
(648.46mm)
30.82"
(782.83mm)
-5.29"
(-134.37mm)
16th Driest Driest since: 1942 2002
109th Wettest Wettest since: 1946 1984
Aug 1946–May 1947
10-Month
29.41"
(747.01mm)
35.40"
(899.16mm)
-5.99"
(-152.15mm)
15th Driest Driest since: 1942 1985
110th Wettest Wettest since: 1946 2010
Jul 1946–May 1947
11-Month
34.19"
(868.43mm)
39.69"
(1,008.13mm)
-5.50"
(-139.70mm)
24th Driest Driest since: 1942 1931
101st Wettest Wettest since: 1946 2019
Jun 1946–May 1947
12-Month
38.32"
(973.33mm)
43.32"
(1,100.33mm)
-5.00"
(-127.00mm)
29th Driest Driest since: 1942 1965
96th Wettest Wettest since: 1946 2010
Dec 1945–May 1947
18-Month
60.60"
(1,539.24mm)
64.29"
(1,632.97mm)
-3.69"
(-93.73mm)
43rd Driest Driest since: 1944 1931
81st Wettest Wettest since: 1946 1949
Jun 1945–May 1947
24-Month
90.23"
(2,291.84mm)
86.54"
(2,198.12mm)
3.69"
(93.72mm)
77th Driest Driest since: 1945 1931
47th Wettest Wettest since: 1946 2019
Jun 1944–May 1947
36-Month
131.66"
(3,344.16mm)
129.85"
(3,298.19mm)
1.81"
(45.97mm)
58th Driest Driest since: 1945 1967
65th Wettest Wettest since: 1946 2005
Jun 1943–May 1947
48-Month
170.39"
(4,327.91mm)
173.12"
(4,397.25mm)
-2.73"
(-69.34mm)
42nd Driest Driest since: 1945 1966
80th Wettest Wettest since: 1946 1939
Jun 1942–May 1947
60-Month
216.01"
(5,486.65mm)
216.25"
(5,492.75mm)
-0.24"
(-6.10mm)
52nd Driest Driest since: 1946 1967
69th Wettest Wettest since: 1943 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/