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 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1899
1-Month
2.21"
(56.13mm)
3.56"
(90.42mm)
-1.35"
(-34.29mm)
30th Driest Driest to Date 1964
96th Wettest Wettest since: 1898 1948
Ties: 2010
Apr–May 1899
2-Month
3.77"
(95.76mm)
7.04"
(178.82mm)
-3.27"
(-83.06mm)
5th Driest Driest to Date 1942
121st Wettest Wettest since: 1898 1948
Mar–May 1899
3-Month
9.25"
(234.95mm)
11.01"
(279.65mm)
-1.76"
(-44.70mm)
33rd Driest Driest to Date 1986
93rd Wettest Wettest since: 1898 1983
Feb–May 1899
4-Month
15.06"
(382.52mm)
14.06"
(357.12mm)
1.00"
(25.40mm)
86th Driest Driest since: 1898 2006
40th Wettest Wettest since: 1896 1983
Jan–May 1899
5-Month
18.67"
(474.22mm)
17.55"
(445.77mm)
1.12"
(28.45mm)
87th Driest Driest since: 1898 2012
39th Wettest Wettest to Date 1948
Dec 1898–May 1899
6-Month
22.16"
(562.86mm)
21.01"
(533.65mm)
1.15"
(29.21mm)
78th Driest Driest since: 1898 1986
47th Wettest Wettest to Date 1984
Nov 1898–May 1899
7-Month
26.75"
(679.45mm)
24.08"
(611.63mm)
2.67"
(67.82mm)
95th Driest Driest since: 1898 1977
30th Wettest Wettest to Date 1984
Oct 1898–May 1899
8-Month
30.87"
(784.10mm)
27.23"
(691.64mm)
3.64"
(92.46mm)
99th Driest Driest since: 1898 2002
26th Wettest Wettest to Date 1984
Sep 1898–May 1899
9-Month
33.14"
(841.76mm)
30.82"
(782.83mm)
2.32"
(58.93mm)
86th Driest Driest since: 1898 2002
39th Wettest Wettest to Date 1984
Aug 1898–May 1899
10-Month
38.37"
(974.60mm)
35.41"
(899.41mm)
2.96"
(75.19mm)
83rd Driest Driest since: 1898 1985
42nd Wettest Wettest to Date 2010
Jul 1898–May 1899
11-Month
42.13"
(1,070.10mm)
39.69"
(1,008.13mm)
2.44"
(61.97mm)
76th Driest Driest since: 1898 1931
49th Wettest Wettest to Date 2019
Jun 1898–May 1899
12-Month
44.50"
(1,130.30mm)
43.32"
(1,100.33mm)
1.18"
(29.97mm)
66th Driest Driest since: 1897 1965
59th Wettest Wettest since: 1898 2010
Dec 1897–May 1899
18-Month
64.36"
(1,634.74mm)
64.29"
(1,632.97mm)
0.07"
(1.77mm)
62nd Driest Driest since: 1898 1931
62nd Wettest Wettest to Date 1949
Jun 1897–May 1899
24-Month
89.13"
(2,263.90mm)
86.54"
(2,198.12mm)
2.59"
(65.78mm)
69th Driest Driest since: 1898 1931
55th Wettest Wettest to Date 2019
Jun 1896–May 1899
36-Month
127.98"
(3,250.69mm)
129.85"
(3,298.19mm)
-1.87"
(-47.50mm)
49th Driest Driest since: 1898 1967
74th Wettest Wettest to Date 2005
Jun 1895–May 1899
48-Month
163.32"
(4,148.33mm)
173.12"
(4,397.25mm)
-9.80"
(-248.92mm)
19th Driest Driest to Date 1966
103rd 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 17, 2019 from https://www.ncdc.noaa.gov/cag/