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 2021. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, September 1931

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1931
1-Month
2.32"
(58.93mm)
3.60"
(91.44mm)
-1.28"
(-32.51mm)
33rd Driest Driest since: 1930 1941
95th Wettest Wettest since: 1930 1935
Ties: 1930
Aug–Sep 1931
2-Month
11.07"
(281.18mm)
8.19"
(208.03mm)
2.88"
(73.15mm)
108th Driest Driest since: 1930 2005
20th Wettest Wettest since: 1928 1928
Jul–Sep 1931
3-Month
14.40"
(365.76mm)
12.50"
(317.50mm)
1.90"
(48.26mm)
89th Driest Driest since: 1930 1968
39th Wettest Wettest since: 1928 1938
Jun–Sep 1931
4-Month
18.06"
(458.72mm)
16.14"
(409.96mm)
1.92"
(48.76mm)
86th Driest Driest since: 1930 1968
42nd Wettest Wettest since: 1928 1938
May–Sep 1931
5-Month
21.73"
(551.94mm)
19.70"
(500.38mm)
2.03"
(51.56mm)
87th Driest Driest since: 1930 1964
41st Wettest Wettest since: 1928 1989
Apr–Sep 1931
6-Month
24.63"
(625.60mm)
23.18"
(588.77mm)
1.45"
(36.83mm)
84th Driest Driest since: 1930 1986
44th Wettest Wettest since: 1928 1989
Mar–Sep 1931
7-Month
29.61"
(752.09mm)
27.16"
(689.86mm)
2.45"
(62.23mm)
91st Driest Driest since: 1930 1986
37th Wettest Wettest since: 1928 1989
Feb–Sep 1931
8-Month
31.12"
(790.45mm)
30.20"
(767.08mm)
0.92"
(23.37mm)
75th Driest Driest since: 1930 1930
53rd Wettest Wettest since: 1928 1989
Ties: 1999
Jan–Sep 1931
9-Month
33.00"
(838.20mm)
33.69"
(855.73mm)
-0.69"
(-17.53mm)
61st Driest Driest since: 1930 1930
67th Wettest Wettest since: 1928 1989
Dec 1930–Sep 1931
10-Month
35.07"
(890.78mm)
37.15"
(943.61mm)
-2.08"
(-52.83mm)
45th Driest Driest since: 1930 1986
82nd Wettest Wettest since: 1928 1958
Nov 1930–Sep 1931
11-Month
36.96"
(938.78mm)
40.22"
(1,021.59mm)
-3.26"
(-82.81mm)
43rd Driest Driest since: 1930 1930
84th Wettest Wettest since: 1928 1958
Oct 1930–Sep 1931
12-Month
38.43"
(976.12mm)
43.37"
(1,101.60mm)
-4.94"
(-125.48mm)
27th Driest Driest since: 1930 1986
100th Wettest Wettest since: 1928 2003
Apr 1930–Sep 1931
18-Month
53.08"
(1,348.23mm)
66.48"
(1,688.59mm)
-13.40"
(-340.36mm)
4th Driest Driest since: 1930 1966
123rd Wettest Wettest since: 1929 2010
Oct 1929–Sep 1931
24-Month
69.63"
(1,768.60mm)
86.63"
(2,200.40mm)
-17.00"
(-431.80mm)
4th Driest Driest since: 1930 1966
122nd Wettest Wettest since: 1929 2004
Oct 1928–Sep 1931
36-Month
105.12"
(2,670.05mm)
129.92"
(3,299.97mm)
-24.80"
(-629.92mm)
2nd Driest Driest to Date 1966
123rd Wettest Wettest since: 1930 1935
Oct 1927–Sep 1931
48-Month
157.63"
(4,003.80mm)
173.15"
(4,398.01mm)
-15.52"
(-394.21mm)
12th Driest Driest since: 1930 1966
112th Wettest Wettest since: 1929 1936
Oct 1926–Sep 1931
60-Month
195.70"
(4,970.78mm)
216.34"
(5,495.04mm)
-20.64"
(-524.26mm)
7th Driest Driest to Date 1966
116th Wettest Wettest since: 1930 1937

Citing This Page

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