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 2020. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, April 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 2018
1-Month
3.40"
(86.36mm)
3.48"
(88.39mm)
-0.08"
(-2.03mm)
69th Driest Driest since: 2017 1985
58th Wettest Wettest since: 2014 1983
Ties: 1959
Mar–Apr 2018
2-Month
7.49"
(190.25mm)
7.46"
(189.48mm)
0.03"
(0.77mm)
67th Driest Driest since: 2017 1985
60th Wettest Wettest since: 2015 1983
Feb–Apr 2018
3-Month
12.46"
(316.48mm)
10.50"
(266.70mm)
1.96"
(49.78mm)
98th Driest Driest since: 2017 2006
29th Wettest Wettest since: 2014 1983
Jan–Apr 2018
4-Month
15.44"
(392.18mm)
13.99"
(355.35mm)
1.45"
(36.83mm)
92nd Driest Driest since: 2017 1985
35th Wettest Wettest since: 2014 1994
Dec 2017–Apr 2018
5-Month
16.49"
(418.85mm)
17.46"
(443.48mm)
-0.97"
(-24.63mm)
55th Driest Driest since: 2017 1985
71st Wettest Wettest since: 2015 1994
Nov 2017–Apr 2018
6-Month
18.53"
(470.66mm)
20.52"
(521.21mm)
-1.99"
(-50.55mm)
45th Driest Driest since: 2017 1985
81st Wettest Wettest since: 2016 1952
Oct 2017–Apr 2018
7-Month
22.12"
(561.85mm)
23.67"
(601.22mm)
-1.55"
(-39.37mm)
48th Driest Driest since: 2017 1985
78th Wettest Wettest since: 2016 2010
Sep 2017–Apr 2018
8-Month
24.69"
(627.13mm)
27.27"
(692.66mm)
-2.58"
(-65.53mm)
42nd Driest Driest since: 2012 1985
84th Wettest Wettest since: 2017 1936
Aug 2017–Apr 2018
9-Month
32.60"
(828.04mm)
31.85"
(808.99mm)
0.75"
(19.05mm)
76th Driest Driest since: 2017 1985
50th Wettest Wettest since: 2015 2010
Jul 2017–Apr 2018
10-Month
40.64"
(1,032.26mm)
36.13"
(917.70mm)
4.51"
(114.56mm)
94th Driest Driest since: 2017 1985
32nd Wettest Wettest since: 2014 1939
Jun 2017–Apr 2018
11-Month
42.96"
(1,091.18mm)
39.76"
(1,009.90mm)
3.20"
(81.28mm)
84th Driest Driest since: 2017 1985
42nd Wettest Wettest since: 2014 2010
May 2017–Apr 2018
12-Month
48.64"
(1,235.46mm)
43.32"
(1,100.33mm)
5.32"
(135.13mm)
100th Driest Driest since: 2017 1931
26th Wettest Wettest since: 2014 2010
Nov 2016–Apr 2018
18-Month
63.71"
(1,618.23mm)
63.79"
(1,620.27mm)
-0.08"
(-2.04mm)
61st Driest Driest since: 2013 1931
64th Wettest Wettest since: 2017 1949
May 2016–Apr 2018
24-Month
94.72"
(2,405.89mm)
86.54"
(2,198.12mm)
8.18"
(207.77mm)
95th Driest Driest since: 2017 1966
30th Wettest Wettest since: 2015 2019
May 2015–Apr 2018
36-Month
136.97"
(3,479.04mm)
129.85"
(3,298.19mm)
7.12"
(180.85mm)
84th Driest Driest since: 2017 1967
40th Wettest Wettest since: 2016 1936
May 2014–Apr 2018
48-Month
181.01"
(4,597.65mm)
173.13"
(4,397.50mm)
7.88"
(200.15mm)
84th Driest Driest since: 2014 1966
39th Wettest Wettest since: 2017 1939
May 2013–Apr 2018
60-Month
234.74"
(5,962.40mm)
216.24"
(5,492.50mm)
18.50"
(469.90mm)
111th Driest Driest since: 2017 1967
11th Wettest Wettest since: 2014 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2020, retrieved on December 1, 2020 from https://www.ncdc.noaa.gov/cag/