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, August 1921

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
August 1921
1-Month
2.98"
(75.69mm)
4.59"
(116.59mm)
-1.61"
(-40.90mm)
36th Driest Driest since: 1918 2008
92nd Wettest Wettest since: 1920 1967
Jul–Aug 1921
2-Month
6.35"
(161.29mm)
8.90"
(226.06mm)
-2.55"
(-64.77mm)
31st Driest Driest since: 1918 1966
97th Wettest Wettest since: 1920 1919
Jun–Aug 1921
3-Month
8.23"
(209.04mm)
12.54"
(318.52mm)
-4.31"
(-109.48mm)
12th Driest Driest to Date 1966
116th Wettest Wettest since: 1920 2013
Ties: 1949
May–Aug 1921
4-Month
11.87"
(301.50mm)
16.10"
(408.94mm)
-4.23"
(-107.44mm)
23rd Driest Driest since: 1918 1964
105th Wettest Wettest since: 1920 1919
Apr–Aug 1921
5-Month
15.29"
(388.37mm)
19.58"
(497.33mm)
-4.29"
(-108.96mm)
20th Driest Driest since: 1899 1957
108th Wettest Wettest since: 1920 1919
Mar–Aug 1921
6-Month
17.81"
(452.37mm)
23.55"
(598.17mm)
-5.74"
(-145.80mm)
11th Driest Driest to Date 1930
117th Wettest Wettest since: 1920 1989
Feb–Aug 1921
7-Month
21.00"
(533.40mm)
26.60"
(675.64mm)
-5.60"
(-142.24mm)
18th Driest Driest to Date 1930
110th Wettest Wettest since: 1920 1958
Jan–Aug 1921
8-Month
23.39"
(594.11mm)
30.09"
(764.29mm)
-6.70"
(-170.18mm)
10th Driest Driest to Date 1930
118th Wettest Wettest since: 1920 1958
Ties: 1976
Dec 1920–Aug 1921
9-Month
26.87"
(682.50mm)
33.55"
(852.17mm)
-6.68"
(-169.67mm)
15th Driest Driest to Date 1930
112th Wettest Wettest since: 1920 1958
Nov 1920–Aug 1921
10-Month
32.20"
(817.88mm)
36.62"
(930.15mm)
-4.42"
(-112.27mm)
31st Driest Driest since: 1918 1977
96th Wettest Wettest since: 1920 1958
Oct 1920–Aug 1921
11-Month
33.47"
(850.14mm)
39.77"
(1,010.16mm)
-6.30"
(-160.02mm)
20th Driest Driest to Date 1966
107th Wettest Wettest since: 1920 1958
Sep 1920–Aug 1921
12-Month
35.97"
(913.64mm)
43.36"
(1,101.34mm)
-7.39"
(-187.70mm)
13th Driest Driest to Date 1966
114th Wettest Wettest since: 1920 1958
Mar 1920–Aug 1921
18-Month
64.17"
(1,629.92mm)
66.82"
(1,697.23mm)
-2.65"
(-67.31mm)
44th Driest Driest since: 1916 1966
83rd Wettest Wettest since: 1920 1984
Sep 1919–Aug 1921
24-Month
83.73"
(2,126.74mm)
86.56"
(2,198.62mm)
-2.83"
(-71.88mm)
47th Driest Driest since: 1917 1966
79th Wettest Wettest since: 1920 2004
Sep 1918–Aug 1921
36-Month
135.26"
(3,435.60mm)
129.84"
(3,297.94mm)
5.42"
(137.66mm)
77th Driest Driest since: 1918 1966
48th Wettest Wettest since: 1920 2005
Sep 1917–Aug 1921
48-Month
175.45"
(4,456.43mm)
173.06"
(4,395.72mm)
2.39"
(60.71mm)
59th Driest Driest since: 1919 1966
65th Wettest Wettest since: 1920 1939
Ties: 2009
Sep 1916–Aug 1921
60-Month
220.49"
(5,600.45mm)
216.24"
(5,492.50mm)
4.25"
(107.95mm)
67th Driest Driest since: 1919 1966
56th Wettest Wettest since: 1920 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 17, 2022 from https://www.ncdc.noaa.gov/cag/