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 April 2022. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, September 2011

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2011
1-Month
4.17"
(105.92mm)
3.60"
(91.44mm)
0.57"
(14.48mm)
88th Driest Driest since: 2010 1941
40th Wettest Wettest since: 2009 1935
Aug–Sep 2011
2-Month
14.21"
(360.93mm)
8.19"
(208.03mm)
6.02"
(152.90mm)
123rd Driest Driest since: 2010 2005
5th Wettest Wettest since: 1999 1928
Jul–Sep 2011
3-Month
17.91"
(454.91mm)
12.51"
(317.75mm)
5.40"
(137.16mm)
113th Driest Driest since: 2010 1968
15th Wettest Wettest since: 1989 1938
Jun–Sep 2011
4-Month
19.77"
(502.16mm)
16.14"
(409.96mm)
3.63"
(92.20mm)
100th Driest Driest since: 2010 1968
28th Wettest Wettest since: 2009 1938
May–Sep 2011
5-Month
22.15"
(562.61mm)
19.70"
(500.38mm)
2.45"
(62.23mm)
91st Driest Driest since: 2010 1964
37th Wettest Wettest since: 2009 1989
Apr–Sep 2011
6-Month
25.45"
(646.43mm)
23.18"
(588.77mm)
2.27"
(57.66mm)
87th Driest Driest since: 2010 1986
41st Wettest Wettest since: 2009 1989
Mar–Sep 2011
7-Month
29.50"
(749.30mm)
27.16"
(689.86mm)
2.34"
(59.44mm)
90th Driest Driest since: 2010 1986
38th Wettest Wettest since: 2009 1989
Feb–Sep 2011
8-Month
31.86"
(809.24mm)
30.20"
(767.08mm)
1.66"
(42.16mm)
83rd Driest Driest since: 2010 1930
45th Wettest Wettest since: 2009 1989
Jan–Sep 2011
9-Month
35.04"
(890.02mm)
33.69"
(855.73mm)
1.35"
(34.29mm)
79th Driest Driest since: 2010 1930
49th Wettest Wettest since: 2009 1989
Dec 2010–Sep 2011
10-Month
37.14"
(943.36mm)
37.15"
(943.61mm)
-0.01"
(-0.25mm)
67th Driest Driest since: 2008 1986
60th Wettest Wettest since: 2010 1958
Nov 2010–Sep 2011
11-Month
39.17"
(994.92mm)
40.22"
(1,021.59mm)
-1.05"
(-26.67mm)
60th Driest Driest since: 2008 1930
67th Wettest Wettest since: 2010 1958
Oct 2010–Sep 2011
12-Month
44.81"
(1,138.17mm)
43.37"
(1,101.60mm)
1.44"
(36.57mm)
73rd Driest Driest since: 2008 1986
54th Wettest Wettest since: 2010 2003
Apr 2010–Sep 2011
18-Month
62.44"
(1,585.98mm)
66.48"
(1,688.59mm)
-4.04"
(-102.61mm)
43rd Driest Driest since: 2008 1966
84th Wettest Wettest since: 2010 2010
Oct 2009–Sep 2011
24-Month
94.51"
(2,400.55mm)
86.63"
(2,200.40mm)
7.88"
(200.15mm)
95th Driest Driest since: 2009 1966
31st Wettest Wettest since: 2010 2004
Oct 2008–Sep 2011
36-Month
143.35"
(3,641.09mm)
129.92"
(3,299.97mm)
13.43"
(341.12mm)
108th Driest Driest since: 2010 1966
17th Wettest Wettest since: 2005 1935
Oct 2007–Sep 2011
48-Month
185.06"
(4,700.52mm)
173.15"
(4,398.01mm)
11.91"
(302.51mm)
103rd Driest Driest since: 2010 1966
21st Wettest Wettest since: 2006 1936
Oct 2006–Sep 2011
60-Month
225.66"
(5,731.76mm)
216.34"
(5,495.04mm)
9.32"
(236.72mm)
87th Driest Driest since: 2009 1966
36th Wettest Wettest since: 2010 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 18, 2022 from https://www.ncdc.noaa.gov/cag/