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


Delaware

Precipitation Rankings, August 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
August 2018
1-Month
4.53"
(115.06mm)
4.59"
(116.59mm)
-0.06"
(-1.53mm)
74th Driest Driest since: 2016 2008
52nd Wettest Wettest since: 2017 1967
Jul–Aug 2018
2-Month
10.30"
(261.62mm)
8.90"
(226.06mm)
1.40"
(35.56mm)
82nd Driest Driest since: 2016 1966
44th Wettest Wettest since: 2017 1919
Jun–Aug 2018
3-Month
14.27"
(362.46mm)
12.54"
(318.52mm)
1.73"
(43.94mm)
84th Driest Driest since: 2016 1966
42nd Wettest Wettest since: 2017 2013
May–Aug 2018
4-Month
21.26"
(540.00mm)
16.10"
(408.94mm)
5.16"
(131.06mm)
111th Driest Driest since: 2016 1964
15th Wettest Wettest since: 2017 1919
Apr–Aug 2018
5-Month
24.66"
(626.36mm)
19.58"
(497.33mm)
5.08"
(129.03mm)
109th Driest Driest since: 2016 1957
17th Wettest Wettest since: 2017 1919
Mar–Aug 2018
6-Month
28.75"
(730.25mm)
23.55"
(598.17mm)
5.20"
(132.08mm)
107th Driest Driest since: 2016 1930
19th Wettest Wettest since: 2017 1989
Feb–Aug 2018
7-Month
33.72"
(856.49mm)
26.60"
(675.64mm)
7.12"
(180.85mm)
117th Driest Driest since: 2017 1930
9th Wettest Wettest since: 2013 1958
Jan–Aug 2018
8-Month
36.70"
(932.18mm)
30.09"
(764.29mm)
6.61"
(167.89mm)
111th Driest Driest since: 2017 1930
15th Wettest Wettest since: 2013 1958
Dec 2017–Aug 2018
9-Month
37.75"
(958.85mm)
33.55"
(852.17mm)
4.20"
(106.68mm)
97th Driest Driest since: 2016 1930
28th Wettest Wettest since: 2017 1958
Nov 2017–Aug 2018
10-Month
39.79"
(1,010.67mm)
36.62"
(930.15mm)
3.17"
(80.52mm)
89th Driest Driest since: 2017 1977
36th Wettest Wettest since: 2013 1958
Oct 2017–Aug 2018
11-Month
43.38"
(1,101.85mm)
39.77"
(1,010.16mm)
3.61"
(91.69mm)
87th Driest Driest since: 2017 1966
38th Wettest Wettest since: 2013 1958
Sep 2017–Aug 2018
12-Month
45.95"
(1,167.13mm)
43.36"
(1,101.34mm)
2.59"
(65.79mm)
82nd Driest Driest since: 2016 1966
43rd Wettest Wettest since: 2017 1958
Mar 2017–Aug 2018
18-Month
76.99"
(1,955.55mm)
66.82"
(1,697.23mm)
10.17"
(258.32mm)
110th Driest Driest since: 2017 1966
15th Wettest Wettest since: 2010 1984
Sep 2016–Aug 2018
24-Month
97.82"
(2,484.63mm)
86.56"
(2,198.62mm)
11.26"
(286.01mm)
101st Driest Driest since: 2017 1966
23rd Wettest Wettest since: 2014 2004
Sep 2015–Aug 2018
36-Month
141.58"
(3,596.13mm)
129.84"
(3,297.94mm)
11.74"
(298.19mm)
105th Driest Driest since: 2017 1966
18th Wettest Wettest since: 2015 2005
Sep 2014–Aug 2018
48-Month
187.01"
(4,750.05mm)
173.06"
(4,395.72mm)
13.95"
(354.33mm)
107th Driest Driest since: 2017 1966
15th Wettest Wettest since: 2016 1939
Sep 2013–Aug 2018
60-Month
230.97"
(5,866.64mm)
216.24"
(5,492.50mm)
14.73"
(374.14mm)
102nd Driest Driest since: 2016 1966
19th Wettest Wettest since: 2017 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/