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 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, July 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1991
1-Month
5.32"
(135.13mm)
4.31"
(109.47mm)
1.01"
(25.66mm)
91st Driest Driest since: 1990 1974
35th Wettest Wettest since: 1989 1938
Jun–Jul 1991
2-Month
8.72"
(221.49mm)
7.95"
(201.93mm)
0.77"
(19.56mm)
80th Driest Driest since: 1990 1949
46th Wettest Wettest since: 1989 2013
May–Jul 1991
3-Month
10.33"
(262.38mm)
11.50"
(292.10mm)
-1.17"
(-29.72mm)
43rd Driest Driest since: 1987 1964
83rd Wettest Wettest since: 1990 1989
Apr–Jul 1991
4-Month
13.50"
(342.90mm)
14.98"
(380.49mm)
-1.48"
(-37.59mm)
43rd Driest Driest since: 1987 1986
83rd Wettest Wettest since: 1990 1989
Mar–Jul 1991
5-Month
18.97"
(481.84mm)
18.96"
(481.58mm)
0.01"
(0.26mm)
61st Driest Driest since: 1988 1986
65th Wettest Wettest since: 1990 1989
Ties: 1918
Feb–Jul 1991
6-Month
20.20"
(513.08mm)
22.01"
(559.05mm)
-1.81"
(-45.97mm)
39th Driest Driest since: 1987 1986
87th Wettest Wettest since: 1990 1989
Ties: 1918
Jan–Jul 1991
7-Month
24.92"
(632.97mm)
25.50"
(647.70mm)
-0.58"
(-14.73mm)
63rd Driest Driest since: 1988 1977
63rd Wettest Wettest since: 1990 1989
Dec 1990–Jul 1991
8-Month
29.01"
(736.85mm)
28.96"
(735.58mm)
0.05"
(1.27mm)
63rd Driest Driest since: 1990 1986
62nd Wettest Wettest since: 1989 1958
Nov 1990–Jul 1991
9-Month
30.62"
(777.75mm)
32.02"
(813.31mm)
-1.40"
(-35.56mm)
51st Driest Driest since: 1986 1977
74th Wettest Wettest since: 1990 1984
Oct 1990–Jul 1991
10-Month
33.26"
(844.80mm)
35.18"
(893.57mm)
-1.92"
(-48.77mm)
45th Driest Driest since: 1988 2002
80th Wettest Wettest since: 1990 2003
Sep 1990–Jul 1991
11-Month
35.37"
(898.40mm)
38.77"
(984.76mm)
-3.40"
(-86.36mm)
35th Driest Driest since: 1986 2002
90th Wettest Wettest since: 1990 2003
Aug 1990–Jul 1991
12-Month
40.80"
(1,036.32mm)
43.35"
(1,101.09mm)
-2.55"
(-64.77mm)
46th Driest Driest since: 1988 1985
79th Wettest Wettest since: 1990 2003
Feb 1990–Jul 1991
18-Month
64.32"
(1,633.73mm)
65.29"
(1,658.37mm)
-0.97"
(-24.64mm)
52nd Driest Driest since: 1988 1931
73rd Wettest Wettest since: 1990 1984
Aug 1989–Jul 1991
24-Month
87.23"
(2,215.64mm)
86.54"
(2,198.12mm)
0.69"
(17.52mm)
61st Driest Driest since: 1988 1931
63rd Wettest Wettest since: 1990 2004
Aug 1988–Jul 1991
36-Month
139.12"
(3,533.65mm)
129.85"
(3,298.19mm)
9.27"
(235.46mm)
96th Driest Driest since: 1990 1966
27th Wettest Wettest since: 1984 2005
Aug 1987–Jul 1991
48-Month
177.68"
(4,513.07mm)
173.06"
(4,395.72mm)
4.62"
(117.35mm)
72nd Driest Driest since: 1989 1966
50th Wettest Wettest since: 1990 1938
Aug 1986–Jul 1991
60-Month
219.66"
(5,579.36mm)
216.21"
(5,491.73mm)
3.45"
(87.63mm)
65th Driest Driest since: 1990 1966
56th Wettest Wettest since: 1984 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 19, 2019 from https://www.ncdc.noaa.gov/cag/