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 2019

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 2019
1-Month
3.69"
(93.73mm)
4.31"
(109.47mm)
-0.62"
(-15.74mm)
54th Driest Driest since: 2015 1974
72nd Wettest Wettest since: 2018 1938
Jun–Jul 2019
2-Month
8.85"
(224.79mm)
7.95"
(201.93mm)
0.90"
(22.86mm)
82nd Driest Driest since: 2014 1949
44th Wettest Wettest since: 2018 2013
May–Jul 2019
3-Month
13.34"
(338.84mm)
11.50"
(292.10mm)
1.84"
(46.74mm)
93rd Driest Driest since: 2014 1964
33rd Wettest Wettest since: 2018 1989
Apr–Jul 2019
4-Month
16.91"
(429.51mm)
14.98"
(380.49mm)
1.93"
(49.02mm)
89th Driest Driest since: 2014 1986
37th Wettest Wettest since: 2018 1989
Mar–Jul 2019
5-Month
20.53"
(521.46mm)
18.96"
(481.58mm)
1.57"
(39.88mm)
86th Driest Driest since: 2016 1986
40th Wettest Wettest since: 2018 1989
Ties: 1903
Feb–Jul 2019
6-Month
23.98"
(609.09mm)
22.01"
(559.05mm)
1.97"
(50.04mm)
90th Driest Driest since: 2016 1986
36th Wettest Wettest since: 2018 1989
Jan–Jul 2019
7-Month
27.44"
(696.98mm)
25.50"
(647.70mm)
1.94"
(49.28mm)
87th Driest Driest since: 2017 1977
39th Wettest Wettest since: 2018 1989
Dec 2018–Jul 2019
8-Month
32.26"
(819.40mm)
28.96"
(735.58mm)
3.30"
(83.82mm)
95th Driest Driest since: 2017 1986
30th Wettest Wettest since: 2018 1958
Nov 2018–Jul 2019
9-Month
39.11"
(993.39mm)
32.02"
(813.31mm)
7.09"
(180.08mm)
112th Driest Driest since: 2018 1977
13th Wettest Wettest since: 2003 1984
Oct 2018–Jul 2019
10-Month
44.15"
(1,121.41mm)
35.18"
(893.57mm)
8.97"
(227.84mm)
114th Driest Driest since: 2018 2002
11th Wettest Wettest since: 2013 2003
Sep 2018–Jul 2019
11-Month
50.76"
(1,289.30mm)
38.77"
(984.76mm)
11.99"
(304.54mm)
121st Driest Driest since: 2018 2002
4th Wettest Wettest since: 2003 2003
Aug 2018–Jul 2019
12-Month
55.29"
(1,404.37mm)
43.35"
(1,101.09mm)
11.94"
(303.28mm)
120th Driest Driest since: 2018 1985
5th Wettest Wettest since: 2010 2003
Feb 2018–Jul 2019
18-Month
84.48"
(2,145.79mm)
65.29"
(1,658.37mm)
19.19"
(487.42mm)
123rd Driest Driest since: 2018 1931
2nd Wettest Wettest since: 1984 1984
Aug 2017–Jul 2019
24-Month
104.62"
(2,657.35mm)
86.54"
(2,198.12mm)
18.08"
(459.23mm)
122nd Driest Driest since: 2018 1931
2nd Wettest Wettest since: 2004 2004
Aug 2016–Jul 2019
36-Month
151.61"
(3,850.89mm)
129.85"
(3,298.19mm)
21.76"
(552.70mm)
119th Driest Driest since: 2018 1966
4th Wettest Wettest since: 2005 2005
Aug 2015–Jul 2019
48-Month
195.15"
(4,956.81mm)
173.06"
(4,395.72mm)
22.09"
(561.09mm)
115th Driest Driest since: 2018 1966
7th Wettest Wettest since: 2006 1938
Aug 2014–Jul 2019
60-Month
242.14"
(6,150.36mm)
216.21"
(5,491.73mm)
25.93"
(658.63mm)
114th Driest Driest since: 2018 1966
7th Wettest Wettest since: 2007 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 24, 2019 from https://www.ncdc.noaa.gov/cag/