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, October 2020

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
October 2020
1-Month
5.28"
(134.11mm)
3.13"
(79.50mm)
2.15"
(54.61mm)
110th Driest Driest since: 2019 1963
18th Wettest Wettest since: 2012 2012
Sep–Oct 2020
2-Month
9.63"
(244.60mm)
6.73"
(170.94mm)
2.90"
(73.66mm)
106th Driest Driest since: 2019 1941
22nd Wettest Wettest since: 2018 1935
Aug–Oct 2020
3-Month
18.48"
(469.39mm)
11.33"
(287.78mm)
7.15"
(181.61mm)
124th Driest Driest since: 2019 1930
4th Wettest Wettest since: 2009 2009
Jul–Oct 2020
4-Month
24.85"
(631.19mm)
15.64"
(397.26mm)
9.21"
(233.93mm)
127th Driest Driest since: 2019 1968
1st Wettest Wettest to Date 2020
Jun–Oct 2020
5-Month
27.36"
(694.94mm)
19.27"
(489.46mm)
8.09"
(205.48mm)
121st Driest Driest since: 2019 1921
7th Wettest Wettest since: 2013 1989
May–Oct 2020
6-Month
29.99"
(761.75mm)
22.83"
(579.88mm)
7.16"
(181.87mm)
109th Driest Driest since: 2019 1964
19th Wettest Wettest since: 2018 1989
Apr–Oct 2020
7-Month
33.95"
(862.33mm)
26.31"
(668.27mm)
7.64"
(194.06mm)
115th Driest Driest since: 2019 1930
13th Wettest Wettest since: 2018 1989
Mar–Oct 2020
8-Month
37.57"
(954.28mm)
30.29"
(769.37mm)
7.28"
(184.91mm)
114th Driest Driest since: 2019 1930
14th Wettest Wettest since: 2018 1989
Feb–Oct 2020
9-Month
40.87"
(1,038.10mm)
33.33"
(846.58mm)
7.54"
(191.52mm)
115th Driest Driest since: 2019 1930
13th Wettest Wettest since: 2018 1989
Jan–Oct 2020
10-Month
44.06"
(1,119.12mm)
36.82"
(935.23mm)
7.24"
(183.89mm)
116th Driest Driest since: 2019 1930
12th Wettest Wettest since: 2018 1989
Dec 2019–Oct 2020
11-Month
48.13"
(1,222.50mm)
40.29"
(1,023.37mm)
7.84"
(199.13mm)
113th Driest Driest since: 2019 1930
14th Wettest Wettest since: 2018 1958
Nov 2019–Oct 2020
12-Month
49.51"
(1,257.55mm)
43.35"
(1,101.09mm)
6.16"
(156.46mm)
101st Driest Driest since: 2019 1930
26th Wettest Wettest since: 2018 1958
May 2019–Oct 2020
18-Month
71.00"
(1,803.40mm)
66.15"
(1,680.21mm)
4.85"
(123.19mm)
80th Driest Driest since: 2015 1930
47th Wettest Wettest since: 2019 2010
Nov 2018–Oct 2020
24-Month
96.75"
(2,457.45mm)
86.62"
(2,200.15mm)
10.13"
(257.30mm)
103rd Driest Driest since: 2018 1930
23rd Wettest Wettest since: 2019 1979
Nov 2017–Oct 2020
36-Month
148.19"
(3,764.03mm)
129.89"
(3,299.21mm)
18.30"
(464.82mm)
117th Driest Driest since: 2019 1931
8th Wettest Wettest since: 2005 1937
Nov 2016–Oct 2020
48-Month
193.37"
(4,911.60mm)
173.11"
(4,396.99mm)
20.26"
(514.61mm)
116th Driest Driest since: 2018 1966
8th Wettest Wettest since: 2019 1938
Nov 2015–Oct 2020
60-Month
242.94"
(6,170.68mm)
216.32"
(5,494.53mm)
26.62"
(676.15mm)
118th Driest Driest since: 2019 1966
5th Wettest Wettest since: 1939 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 16, 2022 from https://www.ncdc.noaa.gov/cag/