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 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2017
1-Month
1.05"
(26.67mm)
3.46"
(87.88mm)
-2.41"
(-61.21mm)
5th Driest Driest since: 1988 1955
120th Wettest Wettest since: 2016 1996, 2009
Nov–Dec 2017
2-Month
3.09"
(78.49mm)
6.53"
(165.86mm)
-3.44"
(-87.37mm)
5th Driest Driest since: 2001 1965
120th Wettest Wettest since: 2016 1977
Oct–Dec 2017
3-Month
6.68"
(169.67mm)
9.66"
(245.36mm)
-2.98"
(-75.69mm)
17th Driest Driest since: 2016 1965
108th Wettest Wettest since: 2015 2009
Sep–Dec 2017
4-Month
9.25"
(234.95mm)
13.26"
(336.80mm)
-4.01"
(-101.85mm)
11th Driest Driest since: 2001 2001
114th Wettest Wettest since: 2016 2009
Aug–Dec 2017
5-Month
17.16"
(435.86mm)
17.85"
(453.39mm)
-0.69"
(-17.53mm)
54th Driest Driest since: 2010 1930
71st Wettest Wettest since: 2016 2009
Jul–Dec 2017
6-Month
25.20"
(640.08mm)
22.16"
(562.86mm)
3.04"
(77.22mm)
88th Driest Driest since: 2016 1930
37th Wettest Wettest since: 2013 2009
Ties: 1906
Jun–Dec 2017
7-Month
27.52"
(699.01mm)
25.80"
(655.32mm)
1.72"
(43.69mm)
76th Driest Driest since: 2014 1930
49th Wettest Wettest since: 2016 2009
May–Dec 2017
8-Month
33.20"
(843.28mm)
29.36"
(745.74mm)
3.84"
(97.54mm)
94th Driest Driest since: 2015 1930
31st Wettest Wettest since: 2016 2009
Apr–Dec 2017
9-Month
35.83"
(910.08mm)
32.84"
(834.14mm)
2.99"
(75.94mm)
87th Driest Driest since: 2015 1930
38th Wettest Wettest since: 2016 2009
Mar–Dec 2017
10-Month
40.29"
(1,023.37mm)
36.81"
(934.97mm)
3.48"
(88.40mm)
92nd Driest Driest since: 2016 1930
33rd Wettest Wettest since: 2013 2009
Ties: 1928
Feb–Dec 2017
11-Month
41.53"
(1,054.86mm)
39.86"
(1,012.44mm)
1.67"
(42.42mm)
77th Driest Driest since: 2015 1930
48th Wettest Wettest since: 2016 2018
Jan–Dec 2017
12-Month
44.53"
(1,131.06mm)
43.35"
(1,101.09mm)
1.18"
(29.97mm)
71st Driest Driest since: 2012 1930
54th Wettest Wettest since: 2016 1948
Jul 2016–Dec 2017
18-Month
69.68"
(1,769.87mm)
65.49"
(1,663.45mm)
4.19"
(106.42mm)
82nd Driest Driest since: 2016 1930
42nd Wettest Wettest since: 2015 2003
Jan 2016–Dec 2017
24-Month
90.20"
(2,291.08mm)
86.64"
(2,200.66mm)
3.56"
(90.42mm)
79th Driest Driest since: 2013 1965
45th Wettest Wettest since: 2016 2018
Jan 2015–Dec 2017
36-Month
136.47"
(3,466.34mm)
129.86"
(3,298.44mm)
6.61"
(167.90mm)
82nd Driest Driest since: 2014 1965
41st Wettest Wettest since: 2016 1937
Jan 2014–Dec 2017
48-Month
181.47"
(4,609.34mm)
173.09"
(4,396.49mm)
8.38"
(212.85mm)
91st Driest Driest since: 2015 1965
31st Wettest Wettest since: 2016 1938
Jan 2013–Dec 2017
60-Month
232.22"
(5,898.39mm)
216.36"
(5,495.54mm)
15.86"
(402.85mm)
103rd Driest Driest since: 2016 1966
18th Wettest Wettest since: 2007 1938

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/