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 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1921
1-Month
2.34"
(59.44mm)
3.60"
(91.44mm)
-1.26"
(-32.00mm)
35th Driest Driest since: 1919 1941
93rd Wettest Wettest since: 1920 1935
Aug–Sep 1921
2-Month
5.32"
(135.13mm)
8.19"
(208.03mm)
-2.87"
(-72.90mm)
18th Driest Driest since: 1916 2005
110th Wettest Wettest since: 1920 1928
Jul–Sep 1921
3-Month
8.69"
(220.73mm)
12.51"
(317.75mm)
-3.82"
(-97.02mm)
19th Driest Driest since: 1914 1968
109th Wettest Wettest since: 1920 1938
Jun–Sep 1921
4-Month
10.57"
(268.48mm)
16.14"
(409.96mm)
-5.57"
(-141.48mm)
5th Driest Driest to Date 1968
123rd Wettest Wettest since: 1920 1938
Ties: 2007
May–Sep 1921
5-Month
14.21"
(360.93mm)
19.70"
(500.38mm)
-5.49"
(-139.45mm)
13th Driest Driest since: 1914 1964
115th Wettest Wettest since: 1920 1989
Apr–Sep 1921
6-Month
17.63"
(447.80mm)
23.18"
(588.77mm)
-5.55"
(-140.97mm)
13th Driest Driest since: 1914 1986
115th Wettest Wettest since: 1920 1989
Ties: 2007, 2010
Mar–Sep 1921
7-Month
20.15"
(511.81mm)
27.16"
(689.86mm)
-7.01"
(-178.05mm)
10th Driest Driest since: 1914 1986
118th Wettest Wettest since: 1920 1989
Ties: 1995
Feb–Sep 1921
8-Month
23.34"
(592.84mm)
30.20"
(767.08mm)
-6.86"
(-174.24mm)
11th Driest Driest since: 1914 1930
117th Wettest Wettest since: 1920 1989
Jan–Sep 1921
9-Month
25.73"
(653.54mm)
33.69"
(855.73mm)
-7.96"
(-202.19mm)
6th Driest Driest to Date 1930
122nd Wettest Wettest since: 1920 1989
Dec 1920–Sep 1921
10-Month
29.21"
(741.93mm)
37.15"
(943.61mm)
-7.94"
(-201.68mm)
9th Driest Driest since: 1914 1986
118th Wettest Wettest since: 1920 1958
Nov 1920–Sep 1921
11-Month
34.54"
(877.32mm)
40.22"
(1,021.59mm)
-5.68"
(-144.27mm)
22nd Driest Driest since: 1918 1930
105th Wettest Wettest since: 1920 1958
Oct 1920–Sep 1921
12-Month
35.81"
(909.57mm)
43.37"
(1,101.60mm)
-7.56"
(-192.03mm)
12th Driest Driest since: 1914 1986
115th Wettest Wettest since: 1920 2003
Apr 1920–Sep 1921
18-Month
62.56"
(1,589.02mm)
66.48"
(1,688.59mm)
-3.92"
(-99.57mm)
44th Driest Driest since: 1915 1966
83rd Wettest Wettest since: 1920 2010
Oct 1919–Sep 1921
24-Month
84.13"
(2,136.90mm)
86.63"
(2,200.40mm)
-2.50"
(-63.50mm)
49th Driest Driest since: 1917 1966
77th Wettest Wettest since: 1920 2004
Oct 1918–Sep 1921
36-Month
133.85"
(3,399.79mm)
129.92"
(3,299.97mm)
3.93"
(99.82mm)
70th Driest Driest since: 1918 1966
55th Wettest Wettest since: 1920 1935
Oct 1917–Sep 1921
48-Month
175.04"
(4,446.02mm)
173.15"
(4,398.01mm)
1.89"
(48.01mm)
54th Driest Driest since: 1919 1966
70th Wettest Wettest since: 1920 1936
Oct 1916–Sep 1921
60-Month
219.26"
(5,569.20mm)
216.34"
(5,495.04mm)
2.92"
(74.16mm)
61st Driest Driest since: 1919 1966
62nd Wettest Wettest since: 1920 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 27, 2022 from https://www.ncdc.noaa.gov/cag/