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 October 2021. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, September 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1901
1-Month
2.89"
(73.41mm)
3.60"
(91.44mm)
-0.71"
(-18.03mm)
54th Driest Driest since: 1898 1941
74th Wettest Wettest since: 1900 1935
Aug–Sep 1901
2-Month
9.63"
(244.60mm)
8.19"
(208.03mm)
1.44"
(36.57mm)
93rd Driest Driest since: 1900 2005
35th Wettest Wettest to Date 1928
Jul–Sep 1901
3-Month
15.20"
(386.08mm)
12.50"
(317.50mm)
2.70"
(68.58mm)
95th Driest Driest since: 1900 1968
33rd Wettest Wettest to Date 1938
Jun–Sep 1901
4-Month
17.45"
(443.23mm)
16.14"
(409.96mm)
1.31"
(33.27mm)
77th Driest Driest since: 1900 1968
51st Wettest Wettest to Date 1938
May–Sep 1901
5-Month
20.99"
(533.15mm)
19.70"
(500.38mm)
1.29"
(32.77mm)
82nd Driest Driest since: 1900 1964
46th Wettest Wettest to Date 1989
Apr–Sep 1901
6-Month
26.00"
(660.40mm)
23.18"
(588.77mm)
2.82"
(71.63mm)
94th Driest Driest since: 1900 1986
34th Wettest Wettest to Date 1989
Mar–Sep 1901
7-Month
29.26"
(743.20mm)
27.16"
(689.86mm)
2.10"
(53.34mm)
88th Driest Driest since: 1900 1986
40th Wettest Wettest to Date 1989
Feb–Sep 1901
8-Month
29.88"
(758.95mm)
30.20"
(767.08mm)
-0.32"
(-8.13mm)
66th Driest Driest since: 1900 1930
62nd Wettest Wettest since: 1897 1989
Jan–Sep 1901
9-Month
32.76"
(832.10mm)
33.69"
(855.73mm)
-0.93"
(-23.63mm)
58th Driest Driest since: 1900 1930
70th Wettest Wettest since: 1899 1989
Dec 1900–Sep 1901
10-Month
35.37"
(898.40mm)
37.15"
(943.61mm)
-1.78"
(-45.21mm)
48th Driest Driest since: 1900 1986
79th Wettest Wettest since: 1899 1958
Nov 1900–Sep 1901
11-Month
38.02"
(965.71mm)
40.22"
(1,021.59mm)
-2.20"
(-55.88mm)
50th Driest Driest since: 1900 1930
77th Wettest Wettest since: 1899 1958
Oct 1900–Sep 1901
12-Month
40.37"
(1,025.40mm)
43.37"
(1,101.60mm)
-3.00"
(-76.20mm)
48th Driest Driest since: 1900 1986
79th Wettest Wettest since: 1899 2003
Apr 1900–Sep 1901
18-Month
61.19"
(1,554.23mm)
66.48"
(1,688.59mm)
-5.29"
(-134.36mm)
34th Driest Driest since: 1900 1966
93rd Wettest Wettest since: 1899 2010
Oct 1899–Sep 1901
24-Month
78.91"
(2,004.31mm)
86.63"
(2,200.40mm)
-7.72"
(-196.09mm)
24th Driest Driest since: 1897 1966
102nd Wettest Wettest since: 1900 2004
Oct 1898–Sep 1901
36-Month
124.46"
(3,161.28mm)
129.92"
(3,299.97mm)
-5.46"
(-138.69mm)
35th Driest Driest since: 1898 1966
90th Wettest Wettest since: 1900 1935
Oct 1897–Sep 1901
48-Month
166.53"
(4,229.86mm)
173.15"
(4,398.01mm)
-6.62"
(-168.15mm)
32nd Driest Driest since: 1900 1966
92nd Wettest Wettest to Date 1936
Oct 1896–Sep 1901
60-Month
205.34"
(5,215.64mm)
216.34"
(5,495.04mm)
-11.00"
(-279.40mm)
24th Driest Driest since: 1900 1966
99th Wettest Wettest to Date 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on November 29, 2021 from https://www.ncdc.noaa.gov/cag/