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 December 2020. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, April 2017

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 2017
1-Month
2.63"
(66.80mm)
3.48"
(88.39mm)
-0.85"
(-21.59mm)
31st Driest Driest since: 2010 1985
96th Wettest Wettest since: 2016 1983
Mar–Apr 2017
2-Month
7.09"
(180.09mm)
7.46"
(189.48mm)
-0.37"
(-9.39mm)
57th Driest Driest since: 2016 1985
70th Wettest Wettest since: 2015 1983
Feb–Apr 2017
3-Month
8.33"
(211.58mm)
10.50"
(266.70mm)
-2.17"
(-55.12mm)
23rd Driest Driest since: 2016 2006
104th Wettest Wettest since: 2015 1983
Jan–Apr 2017
4-Month
11.33"
(287.78mm)
13.99"
(355.35mm)
-2.66"
(-67.57mm)
28th Driest Driest since: 2016 1985
99th Wettest Wettest since: 2015 1994
Dec 2016–Apr 2017
5-Month
14.28"
(362.71mm)
17.46"
(443.48mm)
-3.18"
(-80.77mm)
29th Driest Driest since: 2012 1985
97th Wettest Wettest since: 2016 1994
Nov 2016–Apr 2017
6-Month
15.07"
(382.78mm)
20.52"
(521.21mm)
-5.45"
(-138.43mm)
9th Driest Driest since: 2012 1985
117th Wettest Wettest since: 2016 1952
Oct 2016–Apr 2017
7-Month
17.94"
(455.68mm)
23.67"
(601.22mm)
-5.73"
(-145.54mm)
9th Driest Driest since: 2012 1985
117th Wettest Wettest since: 2016 2010
Sep 2016–Apr 2017
8-Month
27.92"
(709.17mm)
27.27"
(692.66mm)
0.65"
(16.51mm)
77th Driest Driest since: 2016 1985
49th Wettest Wettest since: 2015 1936
Aug 2016–Apr 2017
9-Month
30.95"
(786.13mm)
31.85"
(808.99mm)
-0.90"
(-22.86mm)
59th Driest Driest since: 2016 1985
67th Wettest Wettest since: 2015 2010
Jul 2016–Apr 2017
10-Month
36.48"
(926.59mm)
36.13"
(917.70mm)
0.35"
(8.89mm)
66th Driest Driest since: 2016 1985
60th Wettest Wettest since: 2015 1939
Ties: 1987
Jun 2016–Apr 2017
11-Month
40.20"
(1,021.08mm)
39.76"
(1,009.90mm)
0.44"
(11.18mm)
65th Driest Driest since: 2012 1985
61st Wettest Wettest since: 2016 2010
May 2016–Apr 2017
12-Month
46.08"
(1,170.43mm)
43.32"
(1,100.33mm)
2.76"
(70.10mm)
84th Driest Driest since: 2016 1931
42nd Wettest Wettest since: 2014 2010
Nov 2015–Apr 2017
18-Month
64.64"
(1,641.86mm)
63.79"
(1,620.27mm)
0.85"
(21.59mm)
68th Driest Driest since: 2013 1931
57th Wettest Wettest since: 2016 1949
May 2015–Apr 2017
24-Month
88.33"
(2,243.58mm)
86.54"
(2,198.12mm)
1.79"
(45.46mm)
68th Driest Driest since: 2016 1966
57th Wettest Wettest since: 2015 2019
May 2014–Apr 2017
36-Month
132.37"
(3,362.20mm)
129.85"
(3,298.19mm)
2.52"
(64.01mm)
66th Driest Driest since: 2013 1967
58th Wettest Wettest since: 2016 1936
May 2013–Apr 2017
48-Month
186.10"
(4,726.94mm)
173.13"
(4,397.50mm)
12.97"
(329.44mm)
104th Driest Driest since: 2016 1966
19th Wettest Wettest since: 2010 1939
May 2012–Apr 2017
60-Month
230.23"
(5,847.84mm)
216.24"
(5,492.50mm)
13.99"
(355.34mm)
96th Driest Driest since: 2016 1967
26th Wettest Wettest since: 2014 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 18, 2021 from https://www.ncdc.noaa.gov/cag/