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 September 2019. For more information, please see Climatological Rankings.


Delaware

Precipitation Rankings, May 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1901
1-Month
3.54"
(89.92mm)
3.56"
(90.42mm)
-0.02"
(-0.50mm)
64th Driest Driest since: 1900 1964
62nd Wettest Wettest since: 1898 1948
Apr–May 1901
2-Month
8.55"
(217.17mm)
7.04"
(178.82mm)
1.51"
(38.35mm)
97th Driest Driest since: 1900 1942
29th Wettest Wettest since: 1895 1948
Mar–May 1901
3-Month
11.81"
(299.97mm)
11.01"
(279.65mm)
0.80"
(20.32mm)
87th Driest Driest since: 1900 1986
39th Wettest Wettest since: 1895 1983
Feb–May 1901
4-Month
12.43"
(315.72mm)
14.06"
(357.12mm)
-1.63"
(-41.40mm)
35th Driest Driest to Date 2006
91st Wettest Wettest since: 1900 1983
Jan–May 1901
5-Month
15.31"
(388.87mm)
17.55"
(445.77mm)
-2.24"
(-56.90mm)
37th Driest Driest to Date 2012
89th Wettest Wettest since: 1900 1948
Ties: 1960
Dec 1900–May 1901
6-Month
17.92"
(455.17mm)
21.01"
(533.65mm)
-3.09"
(-78.48mm)
34th Driest Driest since: 1900 1986
91st Wettest Wettest since: 1899 1984
Nov 1900–May 1901
7-Month
20.57"
(522.48mm)
24.08"
(611.63mm)
-3.51"
(-89.15mm)
36th Driest Driest since: 1900 1977
89th Wettest Wettest since: 1899 1984
Oct 1900–May 1901
8-Month
22.92"
(582.17mm)
27.23"
(691.64mm)
-4.31"
(-109.47mm)
24th Driest Driest since: 1900 2002
101st Wettest Wettest since: 1899 1984
Sep 1900–May 1901
9-Month
27.63"
(701.80mm)
30.82"
(782.83mm)
-3.19"
(-81.03mm)
41st Driest Driest since: 1900 2002
84th Wettest Wettest since: 1899 1984
Aug 1900–May 1901
10-Month
31.13"
(790.70mm)
35.40"
(899.16mm)
-4.27"
(-108.46mm)
29th Driest Driest since: 1900 1985
96th Wettest Wettest since: 1899 2010
Jul 1900–May 1901
11-Month
34.49"
(876.05mm)
39.69"
(1,008.13mm)
-5.20"
(-132.08mm)
27th Driest Driest since: 1897 1931
98th Wettest Wettest since: 1900 2019
Jun 1900–May 1901
12-Month
38.97"
(989.84mm)
43.32"
(1,100.33mm)
-4.35"
(-110.49mm)
36th Driest Driest since: 1900 1965
89th Wettest Wettest since: 1899 2010
Ties: 2008
Dec 1899–May 1901
18-Month
56.61"
(1,437.89mm)
64.29"
(1,632.97mm)
-7.68"
(-195.08mm)
21st Driest Driest to Date 1931
103rd Wettest Wettest since: 1900 1949
Jun 1899–May 1901
24-Month
76.14"
(1,933.96mm)
86.54"
(2,198.12mm)
-10.40"
(-264.16mm)
15th Driest Driest since: 1897 1931
109th Wettest Wettest since: 1900 2019
Jun 1898–May 1901
36-Month
120.64"
(3,064.26mm)
129.85"
(3,298.19mm)
-9.21"
(-233.93mm)
21st Driest Driest since: 1898 1967
102nd Wettest Wettest since: 1900 2005
Jun 1897–May 1901
48-Month
165.27"
(4,197.86mm)
173.12"
(4,397.25mm)
-7.85"
(-199.39mm)
26th Driest Driest since: 1900 1966
96th Wettest Wettest to Date 1939
Jun 1896–May 1901
60-Month
204.12"
(5,184.65mm)
216.25"
(5,492.75mm)
-12.13"
(-308.10mm)
19th Driest Driest since: 1900 1967
102nd Wettest Wettest to Date 1939

Citing This Page

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