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 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, October 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 2018
1-Month
5.04"
(128.02mm)
3.13"
(79.50mm)
1.91"
(48.52mm)
108th Driest Driest since: 2017 1963
18th Wettest Wettest since: 2012 2012
Sep–Oct 2018
2-Month
11.65"
(295.91mm)
6.73"
(170.94mm)
4.92"
(124.97mm)
118th Driest Driest since: 2017 1941
8th Wettest Wettest since: 2016 1935
Ties: 1960
Aug–Oct 2018
3-Month
16.18"
(410.97mm)
11.33"
(287.78mm)
4.85"
(123.19mm)
113th Driest Driest since: 2017 1930
13th Wettest Wettest since: 2012 2009
Jul–Oct 2018
4-Month
21.95"
(557.53mm)
15.64"
(397.26mm)
6.31"
(160.27mm)
116th Driest Driest since: 2016 1968
10th Wettest Wettest since: 2017 1938
Jun–Oct 2018
5-Month
25.92"
(658.37mm)
19.27"
(489.46mm)
6.65"
(168.91mm)
114th Driest Driest since: 2017 1921
12th Wettest Wettest since: 2013 1989
May–Oct 2018
6-Month
32.91"
(835.91mm)
22.83"
(579.88mm)
10.08"
(256.03mm)
123rd Driest Driest since: 2017 1964
3rd Wettest Wettest since: 2009 1989
Apr–Oct 2018
7-Month
36.31"
(922.27mm)
26.31"
(668.27mm)
10.00"
(254.00mm)
122nd Driest Driest since: 2017 1930
4th Wettest Wettest since: 2009 1989
Mar–Oct 2018
8-Month
40.40"
(1,026.16mm)
30.29"
(769.37mm)
10.11"
(256.79mm)
121st Driest Driest since: 2017 1930
5th Wettest Wettest since: 2009 1989
Feb–Oct 2018
9-Month
45.37"
(1,152.40mm)
33.33"
(846.58mm)
12.04"
(305.82mm)
123rd Driest Driest since: 2017 1930
3rd Wettest Wettest since: 1989 1989
Jan–Oct 2018
10-Month
48.35"
(1,228.09mm)
36.82"
(935.23mm)
11.53"
(292.86mm)
122nd Driest Driest since: 2017 1930
4th Wettest Wettest since: 1989 1989
Dec 2017–Oct 2018
11-Month
49.40"
(1,254.76mm)
40.29"
(1,023.37mm)
9.11"
(231.39mm)
114th Driest Driest since: 2017 1930
11th Wettest Wettest since: 2003 1958
Nov 2017–Oct 2018
12-Month
51.44"
(1,306.58mm)
43.35"
(1,101.09mm)
8.09"
(205.49mm)
110th Driest Driest since: 2017 1930
15th Wettest Wettest since: 2009 1958
May 2017–Oct 2018
18-Month
81.55"
(2,071.37mm)
66.15"
(1,680.21mm)
15.40"
(391.16mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2010 2010
Nov 2016–Oct 2018
24-Month
96.62"
(2,454.15mm)
86.62"
(2,200.15mm)
10.00"
(254.00mm)
102nd Driest Driest since: 2017 1930
22nd Wettest Wettest since: 2010 1979
Nov 2015–Oct 2018
36-Month
146.19"
(3,713.23mm)
129.89"
(3,299.21mm)
16.30"
(414.02mm)
113th Driest Driest since: 2017 1931
10th Wettest Wettest since: 2005 1937
Nov 2014–Oct 2018
48-Month
192.63"
(4,892.80mm)
173.11"
(4,396.99mm)
19.52"
(495.81mm)
114th Driest Driest since: 2017 1966
8th Wettest Wettest since: 2006 1938
Nov 2013–Oct 2018
60-Month
237.26"
(6,026.40mm)
216.32"
(5,494.53mm)
20.94"
(531.87mm)
112th Driest Driest since: 2017 1966
9th Wettest Wettest since: 2007 1937

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 20, 2020 from https://www.ncdc.noaa.gov/cag/