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 August 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, July 1931

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1931
1-Month
3.33"
(84.58mm)
4.31"
(109.47mm)
-0.98"
(-24.89mm)
39th Driest Driest since: 1929 1974
87th Wettest Wettest since: 1930 1938
Ties: 2015
Jun–Jul 1931
2-Month
6.99"
(177.55mm)
7.95"
(201.93mm)
-0.96"
(-24.38mm)
52nd Driest Driest since: 1930 1949
74th Wettest Wettest since: 1928 2013
May–Jul 1931
3-Month
10.66"
(270.76mm)
11.50"
(292.10mm)
-0.84"
(-21.34mm)
49th Driest Driest since: 1930 1964
77th Wettest Wettest since: 1928 1989
Apr–Jul 1931
4-Month
13.56"
(344.42mm)
14.98"
(380.49mm)
-1.42"
(-36.07mm)
45th Driest Driest since: 1930 1986
81st Wettest Wettest since: 1929 1989
Mar–Jul 1931
5-Month
18.54"
(470.92mm)
18.96"
(481.58mm)
-0.42"
(-10.66mm)
57th Driest Driest since: 1930 1986
69th Wettest Wettest since: 1928 1989
Feb–Jul 1931
6-Month
20.05"
(509.27mm)
22.01"
(559.05mm)
-1.96"
(-49.78mm)
37th Driest Driest since: 1930 1986
89th Wettest Wettest since: 1929 1989
Jan–Jul 1931
7-Month
21.93"
(557.02mm)
25.50"
(647.70mm)
-3.57"
(-90.68mm)
25th Driest Driest since: 1930 1977
101st Wettest Wettest since: 1929 1989
Dec 1930–Jul 1931
8-Month
24.00"
(609.60mm)
28.96"
(735.58mm)
-4.96"
(-125.98mm)
20th Driest Driest since: 1930 1986
105th Wettest Wettest since: 1929 1958
Nov 1930–Jul 1931
9-Month
25.89"
(657.61mm)
32.02"
(813.31mm)
-6.13"
(-155.70mm)
15th Driest Driest since: 1930 1977
110th Wettest Wettest since: 1929 1984
Oct 1930–Jul 1931
10-Month
27.36"
(694.94mm)
35.18"
(893.57mm)
-7.82"
(-198.63mm)
9th Driest Driest since: 1930 2002
116th Wettest Wettest since: 1929 2003
Sep 1930–Jul 1931
11-Month
29.68"
(753.87mm)
38.77"
(984.76mm)
-9.09"
(-230.89mm)
4th Driest Driest to Date 2002
121st Wettest Wettest since: 1930 2003
Aug 1930–Jul 1931
12-Month
31.31"
(795.27mm)
43.35"
(1,101.09mm)
-12.04"
(-305.82mm)
2nd Driest Driest to Date 1985
123rd Wettest Wettest since: 1930 2003
Feb 1930–Jul 1931
18-Month
45.82"
(1,163.83mm)
65.29"
(1,658.37mm)
-19.47"
(-494.54mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 1984
Aug 1929–Jul 1931
24-Month
64.60"
(1,640.84mm)
86.54"
(2,198.12mm)
-21.94"
(-557.28mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 2004
Aug 1928–Jul 1931
36-Month
109.72"
(2,786.89mm)
129.85"
(3,298.19mm)
-20.13"
(-511.30mm)
6th Driest Driest to Date 1966
117th Wettest Wettest since: 1930 2005
Aug 1927–Jul 1931
48-Month
152.21"
(3,866.13mm)
173.06"
(4,395.72mm)
-20.85"
(-529.59mm)
6th Driest Driest to Date 1966
116th Wettest Wettest since: 1930 1938
Aug 1926–Jul 1931
60-Month
194.93"
(4,951.22mm)
216.21"
(5,491.73mm)
-21.28"
(-540.51mm)
6th Driest Driest to Date 1966
115th Wettest Wettest since: 1930 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/