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


Delaware

Precipitation Rankings, May 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1977
1-Month
1.68"
(42.67mm)
3.56"
(90.42mm)
-1.88"
(-47.75mm)
17th Driest Driest since: 1965 1964
110th Wettest Wettest since: 1976 1948
Apr–May 1977
2-Month
4.37"
(111.00mm)
7.04"
(178.82mm)
-2.67"
(-67.82mm)
11th Driest Driest since: 1976 1942
116th Wettest Wettest since: 1975 1948
Mar–May 1977
3-Month
6.96"
(176.78mm)
11.01"
(279.65mm)
-4.05"
(-102.87mm)
8th Driest Driest since: 1976 1986
119th Wettest Wettest since: 1975 1983
Feb–May 1977
4-Month
8.57"
(217.68mm)
14.06"
(357.12mm)
-5.49"
(-139.44mm)
6th Driest Driest since: 1976 2006
121st Wettest Wettest since: 1975 1983
Jan–May 1977
5-Month
10.98"
(278.89mm)
17.55"
(445.77mm)
-6.57"
(-166.88mm)
3rd Driest Driest to Date 2012
124th Wettest Wettest since: 1976 1948
Dec 1976–May 1977
6-Month
13.68"
(347.47mm)
21.01"
(533.65mm)
-7.33"
(-186.18mm)
2nd Driest Driest to Date 1986
124th Wettest Wettest since: 1976 1984
Nov 1976–May 1977
7-Month
14.68"
(372.87mm)
24.08"
(611.63mm)
-9.40"
(-238.76mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1984
Oct 1976–May 1977
8-Month
22.55"
(572.77mm)
27.23"
(691.64mm)
-4.68"
(-118.87mm)
19th Driest Driest since: 1966 2002
107th Wettest Wettest since: 1976 1984
Sep 1976–May 1977
9-Month
26.02"
(660.91mm)
30.82"
(782.83mm)
-4.80"
(-121.92mm)
22nd Driest Driest since: 1969 2002
104th Wettest Wettest since: 1976 1984
Aug 1976–May 1977
10-Month
30.24"
(768.10mm)
35.40"
(899.16mm)
-5.16"
(-131.06mm)
23rd Driest Driest since: 1969 1985
103rd Wettest Wettest since: 1976 2010
Jul 1976–May 1977
11-Month
34.30"
(871.22mm)
39.69"
(1,008.13mm)
-5.39"
(-136.91mm)
26th Driest Driest since: 1969 1931
100th Wettest Wettest since: 1976 2019
Jun 1976–May 1977
12-Month
36.09"
(916.69mm)
43.32"
(1,100.33mm)
-7.23"
(-183.64mm)
15th Driest Driest since: 1969 1965
111th Wettest Wettest since: 1976 2010
Dec 1975–May 1977
18-Month
51.98"
(1,320.29mm)
64.29"
(1,632.97mm)
-12.31"
(-312.68mm)
5th Driest Driest since: 1969 1931
120th Wettest Wettest since: 1976 1949
Jun 1975–May 1977
24-Month
81.61"
(2,072.89mm)
86.54"
(2,198.12mm)
-4.93"
(-125.23mm)
37th Driest Driest since: 1970 1931
88th Wettest Wettest since: 1976 2019
Jun 1974–May 1977
36-Month
125.88"
(3,197.35mm)
129.85"
(3,298.19mm)
-3.97"
(-100.84mm)
40th Driest Driest since: 1971 1967
84th Wettest Wettest since: 1976 2005
Jun 1973–May 1977
48-Month
168.38"
(4,276.85mm)
173.12"
(4,397.25mm)
-4.74"
(-120.40mm)
33rd Driest Driest since: 1970 1966
90th Wettest Wettest since: 1976 1939
Ties: 1918
Jun 1972–May 1977
60-Month
220.65"
(5,604.51mm)
216.25"
(5,492.75mm)
4.40"
(111.76mm)
72nd Driest Driest since: 1972 1967
50th Wettest Wettest since: 1976 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 9, 2020 from https://www.ncdc.noaa.gov/cag/