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 2021. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, September 1911

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1911
1-Month
2.20"
(55.88mm)
3.60"
(91.44mm)
-1.40"
(-35.56mm)
28th Driest Driest since: 1910 1941
100th Wettest Wettest since: 1909 1935
Aug–Sep 1911
2-Month
13.17"
(334.52mm)
8.19"
(208.03mm)
4.98"
(126.49mm)
118th Driest Driest since: 1910 2005
10th Wettest Wettest to Date 1928
Jul–Sep 1911
3-Month
15.63"
(397.00mm)
12.51"
(317.75mm)
3.12"
(79.25mm)
98th Driest Driest since: 1910 1968
30th Wettest Wettest to Date 1938
Jun–Sep 1911
4-Month
19.26"
(489.20mm)
16.14"
(409.96mm)
3.12"
(79.24mm)
96th Driest Driest since: 1910 1968
32nd Wettest Wettest since: 1906 1938
May–Sep 1911
5-Month
19.94"
(506.48mm)
19.70"
(500.38mm)
0.24"
(6.10mm)
70th Driest Driest since: 1910 1964
58th Wettest Wettest since: 1908 1989
Apr–Sep 1911
6-Month
23.86"
(606.04mm)
23.18"
(588.77mm)
0.68"
(17.27mm)
79th Driest Driest since: 1910 1986
49th Wettest Wettest since: 1907 1989
Mar–Sep 1911
7-Month
27.15"
(689.61mm)
27.16"
(689.86mm)
-0.01"
(-0.25mm)
65th Driest Driest since: 1910 1986
63rd Wettest Wettest since: 1907 1989
Feb–Sep 1911
8-Month
29.17"
(740.92mm)
30.20"
(767.08mm)
-1.03"
(-26.16mm)
57th Driest Driest since: 1910 1930
71st Wettest Wettest since: 1907 1989
Jan–Sep 1911
9-Month
33.04"
(839.22mm)
33.69"
(855.73mm)
-0.65"
(-16.51mm)
62nd Driest Driest since: 1910 1930
66th Wettest Wettest since: 1907 1989
Dec 1910–Sep 1911
10-Month
36.22"
(919.99mm)
37.15"
(943.61mm)
-0.93"
(-23.62mm)
52nd Driest Driest since: 1910 1986
75th Wettest Wettest since: 1909 1958
Nov 1910–Sep 1911
11-Month
39.12"
(993.65mm)
40.22"
(1,021.59mm)
-1.10"
(-27.94mm)
59th Driest Driest since: 1910 1930
68th Wettest Wettest since: 1908 1958
Oct 1910–Sep 1911
12-Month
44.07"
(1,119.38mm)
43.37"
(1,101.60mm)
0.70"
(17.78mm)
68th Driest Driest since: 1910 1986
59th Wettest Wettest since: 1908 2003
Apr 1910–Sep 1911
18-Month
65.74"
(1,669.80mm)
66.48"
(1,688.59mm)
-0.74"
(-18.79mm)
58th Driest Driest since: 1910 1966
69th Wettest Wettest since: 1908 2010
Oct 1909–Sep 1911
24-Month
82.32"
(2,090.93mm)
86.63"
(2,200.40mm)
-4.31"
(-109.47mm)
41st Driest Driest since: 1910 1966
85th Wettest Wettest since: 1909 2004
Oct 1908–Sep 1911
36-Month
122.14"
(3,102.36mm)
129.92"
(3,299.97mm)
-7.78"
(-197.61mm)
26th Driest Driest since: 1898 1966
99th Wettest Wettest since: 1910 1935
Oct 1907–Sep 1911
48-Month
168.25"
(4,273.55mm)
173.15"
(4,398.01mm)
-4.90"
(-124.46mm)
41st Driest Driest since: 1901 1966
83rd Wettest Wettest since: 1910 1936
Oct 1906–Sep 1911
60-Month
214.04"
(5,436.62mm)
216.34"
(5,495.04mm)
-2.30"
(-58.42mm)
41st Driest Driest since: 1902 1966
82nd Wettest Wettest since: 1910 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 27, 2021 from https://www.ncdc.noaa.gov/cag/