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, July 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1978
1-Month
5.04"
(128.02mm)
4.31"
(109.47mm)
0.73"
(18.55mm)
85th Driest Driest since: 1977 1974
41st Wettest Wettest since: 1975 1938
Jun–Jul 1978
2-Month
7.52"
(191.01mm)
7.95"
(201.93mm)
-0.43"
(-10.92mm)
59th Driest Driest since: 1977 1949
67th Wettest Wettest since: 1975 2013
Ties: 1934
May–Jul 1978
3-Month
13.66"
(346.96mm)
11.50"
(292.10mm)
2.16"
(54.86mm)
95th Driest Driest since: 1977 1964
31st Wettest Wettest since: 1975 1989
Apr–Jul 1978
4-Month
16.17"
(410.72mm)
14.98"
(380.49mm)
1.19"
(30.23mm)
78th Driest Driest since: 1977 1986
48th Wettest Wettest since: 1975 1989
Mar–Jul 1978
5-Month
22.10"
(561.34mm)
18.96"
(481.58mm)
3.14"
(79.76mm)
103rd Driest Driest since: 1977 1986
23rd Wettest Wettest since: 1975 1989
Feb–Jul 1978
6-Month
23.19"
(589.03mm)
22.01"
(559.05mm)
1.18"
(29.98mm)
77th Driest Driest since: 1977 1986
49th Wettest Wettest since: 1975 1989
Jan–Jul 1978
7-Month
30.20"
(767.08mm)
25.50"
(647.70mm)
4.70"
(119.38mm)
106th Driest Driest since: 1977 1977
20th Wettest Wettest since: 1975 1989
Ties: 1938
Dec 1977–Jul 1978
8-Month
37.14"
(943.36mm)
28.96"
(735.58mm)
8.18"
(207.78mm)
118th Driest Driest since: 1977 1986
7th Wettest Wettest since: 1975 1958
Nov 1977–Jul 1978
9-Month
42.55"
(1,080.77mm)
32.02"
(813.31mm)
10.53"
(267.46mm)
120th Driest Driest since: 1977 1977
5th Wettest Wettest since: 1958 1984
Oct 1977–Jul 1978
10-Month
46.34"
(1,177.04mm)
35.18"
(893.57mm)
11.16"
(283.47mm)
120th Driest Driest since: 1977 2002
5th Wettest Wettest since: 1958 2003
Sep 1977–Jul 1978
11-Month
50.38"
(1,279.65mm)
38.77"
(984.76mm)
11.61"
(294.89mm)
120th Driest Driest since: 1977 2002
5th Wettest Wettest since: 1958 2003
Aug 1977–Jul 1978
12-Month
54.13"
(1,374.90mm)
43.35"
(1,101.09mm)
10.78"
(273.81mm)
116th Driest Driest since: 1977 1985
9th Wettest Wettest since: 1972 2003
Feb 1977–Jul 1978
18-Month
68.29"
(1,734.57mm)
65.29"
(1,658.37mm)
3.00"
(76.20mm)
76th Driest Driest since: 1977 1931
49th Wettest Wettest since: 1975 1984
Aug 1976–Jul 1978
24-Month
89.96"
(2,284.98mm)
86.54"
(2,198.12mm)
3.42"
(86.86mm)
77th Driest Driest since: 1977 1931
47th Wettest Wettest since: 1976 2004
Aug 1975–Jul 1978
36-Month
128.51"
(3,264.15mm)
129.85"
(3,298.19mm)
-1.34"
(-34.04mm)
48th Driest Driest since: 1977 1966
75th Wettest Wettest since: 1976 2005
Aug 1974–Jul 1978
48-Month
180.21"
(4,577.33mm)
173.06"
(4,395.72mm)
7.15"
(181.61mm)
83rd Driest Driest since: 1977 1966
39th Wettest Wettest since: 1975 1938
Aug 1973–Jul 1978
60-Month
221.42"
(5,624.07mm)
216.21"
(5,491.73mm)
5.21"
(132.34mm)
70th Driest Driest since: 1977 1966
51st Wettest Wettest since: 1976 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/