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 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, December 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2018
1-Month
4.82"
(122.43mm)
3.46"
(87.88mm)
1.36"
(34.55mm)
102nd Driest Driest since: 2017 1955
23rd Wettest Wettest since: 2013 1996, 2009
Nov–Dec 2018
2-Month
11.67"
(296.42mm)
6.53"
(165.86mm)
5.14"
(130.56mm)
120th Driest Driest since: 2017 1965
5th Wettest Wettest since: 2009 1977
Oct–Dec 2018
3-Month
16.71"
(424.43mm)
9.66"
(245.36mm)
7.05"
(179.07mm)
121st Driest Driest since: 2017 1965
4th Wettest Wettest since: 2009 2009
Sep–Dec 2018
4-Month
23.32"
(592.33mm)
13.26"
(336.80mm)
10.06"
(255.53mm)
123rd Driest Driest since: 2017 2001
2nd Wettest Wettest since: 2009 2009
Aug–Dec 2018
5-Month
27.85"
(707.39mm)
17.85"
(453.39mm)
10.00"
(254.00mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2009 2009
Jul–Dec 2018
6-Month
33.62"
(853.95mm)
22.16"
(562.86mm)
11.46"
(291.09mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2009 2009
Jun–Dec 2018
7-Month
37.59"
(954.79mm)
25.80"
(655.32mm)
11.79"
(299.47mm)
122nd Driest Driest since: 2017 1930
3rd Wettest Wettest since: 2009 2009
May–Dec 2018
8-Month
44.58"
(1,132.33mm)
29.36"
(745.74mm)
15.22"
(386.59mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2009 2009
Apr–Dec 2018
9-Month
47.98"
(1,218.69mm)
32.84"
(834.14mm)
15.14"
(384.55mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2009 2009
Mar–Dec 2018
10-Month
52.07"
(1,322.58mm)
36.81"
(934.97mm)
15.26"
(387.61mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2009 2009
Feb–Dec 2018
11-Month
57.04"
(1,448.82mm)
39.86"
(1,012.44mm)
17.18"
(436.38mm)
124th Driest Driest since: 2017 1930
1st Wettest Wettest to Date 2018
Jan–Dec 2018
12-Month
60.02"
(1,524.51mm)
43.35"
(1,101.09mm)
16.67"
(423.42mm)
123rd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 1948 1948
Jul 2017–Dec 2018
18-Month
85.22"
(2,164.59mm)
65.49"
(1,663.45mm)
19.73"
(501.14mm)
122nd Driest Driest since: 2017 1930
2nd Wettest Wettest since: 2003 2003
Jan 2017–Dec 2018
24-Month
104.55"
(2,655.57mm)
86.64"
(2,200.66mm)
17.91"
(454.91mm)
123rd Driest Driest since: 2017 1965
1st Wettest Wettest to Date 2018
Jan 2016–Dec 2018
36-Month
150.22"
(3,815.59mm)
129.86"
(3,298.44mm)
20.36"
(517.15mm)
120th Driest Driest since: 2017 1965
3rd Wettest Wettest since: 1937 1937
Ties: 1936
Jan 2015–Dec 2018
48-Month
196.49"
(4,990.85mm)
173.09"
(4,396.49mm)
23.40"
(594.36mm)
117th Driest Driest since: 2017 1965
5th Wettest Wettest since: 1938 1938
Jan 2014–Dec 2018
60-Month
241.49"
(6,133.85mm)
216.36"
(5,495.54mm)
25.13"
(638.31mm)
115th Driest Driest since: 2017 1966
6th Wettest Wettest since: 2006 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/