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 2018

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 2018
1-Month
5.77"
(146.56mm)
4.31"
(109.47mm)
1.46"
(37.09mm)
101st Driest Driest since: 2016 1974
25th Wettest Wettest since: 2017 1938
Ties: 1904, 1927
Jun–Jul 2018
2-Month
9.74"
(247.40mm)
7.95"
(201.93mm)
1.79"
(45.47mm)
96th Driest Driest since: 2016 1949
30th Wettest Wettest since: 2017 2013
May–Jul 2018
3-Month
16.73"
(424.94mm)
11.50"
(292.10mm)
5.23"
(132.84mm)
117th Driest Driest since: 2017 1964
9th Wettest Wettest since: 2013 1989
Apr–Jul 2018
4-Month
20.13"
(511.30mm)
14.98"
(380.49mm)
5.15"
(130.81mm)
116th Driest Driest since: 2017 1986
10th Wettest Wettest since: 2013 1989
Mar–Jul 2018
5-Month
24.22"
(615.19mm)
18.96"
(481.58mm)
5.26"
(133.61mm)
113th Driest Driest since: 2017 1986
13th Wettest Wettest since: 2013 1989
Feb–Jul 2018
6-Month
29.19"
(741.43mm)
22.01"
(559.05mm)
7.18"
(182.38mm)
119th Driest Driest since: 2017 1986
7th Wettest Wettest since: 2003 1989
Jan–Jul 2018
7-Month
32.17"
(817.12mm)
25.50"
(647.70mm)
6.67"
(169.42mm)
116th Driest Driest since: 2017 1977
10th Wettest Wettest since: 1996 1989
Dec 2017–Jul 2018
8-Month
33.22"
(843.79mm)
28.96"
(735.58mm)
4.26"
(108.21mm)
101st Driest Driest since: 2017 1986
24th Wettest Wettest since: 2013 1958
Nov 2017–Jul 2018
9-Month
35.26"
(895.60mm)
32.02"
(813.31mm)
3.24"
(82.29mm)
86th Driest Driest since: 2017 1977
39th Wettest Wettest since: 2015 1984
Oct 2017–Jul 2018
10-Month
38.85"
(986.79mm)
35.18"
(893.57mm)
3.67"
(93.22mm)
92nd Driest Driest since: 2017 2002
33rd Wettest Wettest since: 2015 2003
Ties: 1919
Sep 2017–Jul 2018
11-Month
41.42"
(1,052.07mm)
38.77"
(984.76mm)
2.65"
(67.31mm)
81st Driest Driest since: 2016 2002
44th Wettest Wettest since: 2017 2003
Aug 2017–Jul 2018
12-Month
49.33"
(1,252.98mm)
43.35"
(1,101.09mm)
5.98"
(151.89mm)
99th Driest Driest since: 2017 1985
26th Wettest Wettest since: 2013 2003
Feb 2017–Jul 2018
18-Month
73.70"
(1,871.98mm)
65.29"
(1,658.37mm)
8.41"
(213.61mm)
102nd Driest Driest since: 2017 1931
23rd Wettest Wettest since: 2014 1984
Aug 2016–Jul 2018
24-Month
96.32"
(2,446.53mm)
86.54"
(2,198.12mm)
9.78"
(248.41mm)
100th Driest Driest since: 2017 1931
24th Wettest Wettest since: 2014 2004
Aug 2015–Jul 2018
36-Month
139.86"
(3,552.44mm)
129.85"
(3,298.19mm)
10.01"
(254.25mm)
99th Driest Driest since: 2017 1966
24th Wettest Wettest since: 2015 2005
Ties: 1979
Aug 2014–Jul 2018
48-Month
186.85"
(4,745.99mm)
173.06"
(4,395.72mm)
13.79"
(350.27mm)
105th Driest Driest since: 2017 1966
17th Wettest Wettest since: 2016 1938
Aug 2013–Jul 2018
60-Month
232.45"
(5,904.23mm)
216.21"
(5,491.73mm)
16.24"
(412.50mm)
103rd Driest Driest since: 2016 1966
18th Wettest Wettest since: 2017 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/