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


Delaware

Precipitation Rankings, January 1978

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
January 1978
1-Month
7.01"
(178.05mm)
3.49"
(88.65mm)
3.52"
(89.40mm)
124th Driest Driest since: 1977 1981
3rd Wettest Wettest since: 1937 1937
Ties: 1936
Dec 1977–Jan 1978
2-Month
13.95"
(354.33mm)
6.95"
(176.53mm)
7.00"
(177.80mm)
125th Driest Driest since: 1977 1981
1st Wettest Wettest to Date 1978
Nov 1977–Jan 1978
3-Month
19.36"
(491.74mm)
10.02"
(254.51mm)
9.34"
(237.23mm)
125th Driest Driest since: 1977 1981
1st Wettest Wettest to Date 1978
Oct 1977–Jan 1978
4-Month
23.15"
(588.01mm)
13.17"
(334.52mm)
9.98"
(253.49mm)
125th Driest Driest since: 1977 2002
1st Wettest Wettest to Date 1978
Sep 1977–Jan 1978
5-Month
27.19"
(690.63mm)
16.76"
(425.70mm)
10.43"
(264.93mm)
124th Driest Driest since: 1977 2002
2nd Wettest Wettest since: 1936 1936
Aug 1977–Jan 1978
6-Month
30.94"
(785.88mm)
21.35"
(542.29mm)
9.59"
(243.59mm)
122nd Driest Driest since: 1977 1931
4th Wettest Wettest since: 1936 2010
Jul 1977–Jan 1978
7-Month
33.11"
(840.99mm)
25.63"
(651.00mm)
7.48"
(189.99mm)
117th Driest Driest since: 1977 1931
9th Wettest Wettest since: 1949 2010
Jun 1977–Jan 1978
8-Month
36.53"
(927.86mm)
29.26"
(743.20mm)
7.27"
(184.66mm)
112th Driest Driest since: 1977 1931
14th Wettest Wettest since: 1976 2010
May 1977–Jan 1978
9-Month
38.21"
(970.53mm)
32.81"
(833.37mm)
5.40"
(137.16mm)
107th Driest Driest since: 1977 1931
19th Wettest Wettest since: 1976 1949
Apr 1977–Jan 1978
10-Month
40.90"
(1,038.86mm)
36.27"
(921.26mm)
4.63"
(117.60mm)
100th Driest Driest since: 1977 1931
26th Wettest Wettest since: 1976 2010
Mar 1977–Jan 1978
11-Month
43.49"
(1,104.65mm)
40.22"
(1,021.59mm)
3.27"
(83.06mm)
90th Driest Driest since: 1977 1931
36th Wettest Wettest since: 1976 2010
Feb 1977–Jan 1978
12-Month
45.10"
(1,145.54mm)
43.29"
(1,099.57mm)
1.81"
(45.97mm)
79th Driest Driest since: 1977 1931
47th Wettest Wettest since: 1976 2019
Aug 1976–Jan 1978
18-Month
66.77"
(1,695.96mm)
64.54"
(1,639.32mm)
2.23"
(56.64mm)
74th Driest Driest since: 1977 1931
51st Wettest Wettest since: 1976 2004
Feb 1976–Jan 1978
24-Month
80.65"
(2,048.51mm)
86.54"
(2,198.12mm)
-5.89"
(-149.61mm)
28th Driest Driest since: 1970 1966
97th Wettest Wettest since: 1977 1936
Feb 1975–Jan 1978
36-Month
134.81"
(3,424.17mm)
129.80"
(3,296.92mm)
5.01"
(127.25mm)
77th Driest Driest since: 1977 1967
47th Wettest Wettest since: 1976 1937
Feb 1974–Jan 1978
48-Month
175.30"
(4,452.62mm)
173.07"
(4,395.98mm)
2.23"
(56.64mm)
62nd Driest Driest since: 1977 1966
61st Wettest Wettest since: 1976 1937
Feb 1973–Jan 1978
60-Month
219.86"
(5,584.44mm)
216.19"
(5,491.23mm)
3.67"
(93.21mm)
66th Driest Driest since: 1972 1967
56th Wettest Wettest since: 1977 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2020, retrieved on December 3, 2020 from https://www.ncdc.noaa.gov/cag/