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 2009

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 2009
1-Month
2.55"
(64.77mm)
4.31"
(109.47mm)
-1.76"
(-44.70mm)
23rd Driest Driest since: 2007 1974
103rd Wettest Wettest since: 2008 1938
Jun–Jul 2009
2-Month
8.15"
(207.01mm)
7.95"
(201.93mm)
0.20"
(5.08mm)
71st Driest Driest since: 2008 1949
55th Wettest Wettest since: 2006 2013
May–Jul 2009
3-Month
13.16"
(334.26mm)
11.50"
(292.10mm)
1.66"
(42.16mm)
89th Driest Driest since: 2007 1964
37th Wettest Wettest since: 2008 1989
Apr–Jul 2009
4-Month
18.46"
(468.88mm)
14.98"
(380.49mm)
3.48"
(88.39mm)
107th Driest Driest since: 2008 1986
19th Wettest Wettest since: 2006 1989
Mar–Jul 2009
5-Month
20.82"
(528.83mm)
18.96"
(481.58mm)
1.86"
(47.25mm)
90th Driest Driest since: 2008 1986
36th Wettest Wettest since: 2005 1989
Feb–Jul 2009
6-Month
21.26"
(540.00mm)
22.01"
(559.05mm)
-0.75"
(-19.05mm)
53rd Driest Driest since: 2007 1986
73rd Wettest Wettest since: 2008 1989
Jan–Jul 2009
7-Month
23.62"
(599.95mm)
25.50"
(647.70mm)
-1.88"
(-47.75mm)
40th Driest Driest since: 2007 1977
86th Wettest Wettest since: 2008 1989
Dec 2008–Jul 2009
8-Month
28.87"
(733.30mm)
28.96"
(735.58mm)
-0.09"
(-2.28mm)
61st Driest Driest since: 2007 1986
64th Wettest Wettest since: 2008 1958
Nov 2008–Jul 2009
9-Month
33.60"
(853.44mm)
32.02"
(813.31mm)
1.58"
(40.13mm)
75th Driest Driest since: 2008 1977
50th Wettest Wettest since: 2005 1984
Oct 2008–Jul 2009
10-Month
35.43"
(899.92mm)
35.18"
(893.57mm)
0.25"
(6.35mm)
66th Driest Driest since: 2002 2002
59th Wettest Wettest since: 2008 2003
Sep 2008–Jul 2009
11-Month
39.81"
(1,011.17mm)
38.77"
(984.76mm)
1.04"
(26.41mm)
72nd Driest Driest since: 2008 2002
53rd Wettest Wettest since: 2007 2003
Aug 2008–Jul 2009
12-Month
40.83"
(1,037.08mm)
43.35"
(1,101.09mm)
-2.52"
(-64.01mm)
47th Driest Driest since: 2002 1985
78th Wettest Wettest since: 2008 2003
Feb 2008–Jul 2009
18-Month
64.37"
(1,635.00mm)
65.29"
(1,658.37mm)
-0.92"
(-23.37mm)
53rd Driest Driest since: 2008 1931
72nd Wettest Wettest since: 2007 1984
Aug 2007–Jul 2009
24-Month
82.01"
(2,083.05mm)
86.54"
(2,198.12mm)
-4.53"
(-115.07mm)
35th Driest Driest since: 2002 1931
89th Wettest Wettest since: 2008 2004
Aug 2006–Jul 2009
36-Month
125.89"
(3,197.61mm)
129.85"
(3,298.19mm)
-3.96"
(-100.58mm)
39th Driest Driest since: 1993 1966
84th Wettest Wettest since: 2008 2005
Aug 2005–Jul 2009
48-Month
169.71"
(4,310.63mm)
173.06"
(4,395.72mm)
-3.35"
(-85.09mm)
45th Driest Driest since: 2002 1966
77th Wettest Wettest since: 2008 1938
Aug 2004–Jul 2009
60-Month
217.82"
(5,532.63mm)
216.21"
(5,491.73mm)
1.61"
(40.90mm)
58th Driest Driest since: 2002 1966
63rd Wettest Wettest since: 2008 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/