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 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1981
1-Month
4.91"
(124.71mm)
3.56"
(90.42mm)
1.35"
(34.29mm)
103rd Driest Driest since: 1980 1964
23rd Wettest Wettest since: 1978 1948
Apr–May 1981
2-Month
9.20"
(233.68mm)
7.04"
(178.82mm)
2.16"
(54.86mm)
109th Driest Driest since: 1980 1942
17th Wettest Wettest since: 1953 1948
Mar–May 1981
3-Month
10.97"
(278.64mm)
11.01"
(279.65mm)
-0.04"
(-1.01mm)
67th Driest Driest since: 1977 1986
59th Wettest Wettest since: 1980 1983
Feb–May 1981
4-Month
14.53"
(369.06mm)
14.06"
(357.12mm)
0.47"
(11.94mm)
79th Driest Driest since: 1977 2006
47th Wettest Wettest since: 1980 1983
Jan–May 1981
5-Month
15.05"
(382.27mm)
17.55"
(445.77mm)
-2.50"
(-63.50mm)
31st Driest Driest since: 1977 2012
95th Wettest Wettest since: 1980 1948
Dec 1980–May 1981
6-Month
15.84"
(402.34mm)
21.01"
(533.65mm)
-5.17"
(-131.31mm)
13th Driest Driest since: 1977 1986
112th Wettest Wettest since: 1980 1984
Nov 1980–May 1981
7-Month
18.46"
(468.88mm)
24.08"
(611.63mm)
-5.62"
(-142.75mm)
13th Driest Driest since: 1977 1977
112th Wettest Wettest since: 1980 1984
Oct 1980–May 1981
8-Month
24.23"
(615.44mm)
27.23"
(691.64mm)
-3.00"
(-76.20mm)
38th Driest Driest since: 1977 2002
87th Wettest Wettest since: 1980 1984
Ties: 1904
Sep 1980–May 1981
9-Month
27.07"
(687.58mm)
30.82"
(782.83mm)
-3.75"
(-95.25mm)
37th Driest Driest since: 1977 2002
88th Wettest Wettest since: 1980 1984
Aug 1980–May 1981
10-Month
29.63"
(752.60mm)
35.40"
(899.16mm)
-5.77"
(-146.56mm)
17th Driest Driest since: 1969 1985
108th Wettest Wettest since: 1980 2010
Jul 1980–May 1981
11-Month
32.49"
(825.25mm)
39.69"
(1,008.13mm)
-7.20"
(-182.88mm)
14th Driest Driest since: 1969 1931
111th Wettest Wettest since: 1980 2019
Jun 1980–May 1981
12-Month
36.22"
(919.99mm)
43.32"
(1,100.33mm)
-7.10"
(-180.34mm)
16th Driest Driest since: 1977 1965
109th Wettest Wettest since: 1980 2010
Dec 1979–May 1981
18-Month
55.58"
(1,411.73mm)
64.29"
(1,632.97mm)
-8.71"
(-221.24mm)
17th Driest Driest since: 1977 1931
107th Wettest Wettest since: 1980 1949
Jun 1979–May 1981
24-Month
84.67"
(2,150.62mm)
86.54"
(2,198.12mm)
-1.87"
(-47.50mm)
50th Driest Driest since: 1977 1931
74th Wettest Wettest since: 1980 2019
Ties: 1925
Jun 1978–May 1981
36-Month
133.32"
(3,386.33mm)
129.85"
(3,298.19mm)
3.47"
(88.14mm)
67th Driest Driest since: 1977 1967
56th Wettest Wettest since: 1980 2005
Jun 1977–May 1981
48-Month
185.52"
(4,712.21mm)
173.12"
(4,397.25mm)
12.40"
(314.96mm)
102nd Driest Driest since: 1980 1966
20th Wettest Wettest since: 1975 1939
Jun 1976–May 1981
60-Month
221.61"
(5,628.89mm)
216.25"
(5,492.75mm)
5.36"
(136.14mm)
75th Driest Driest since: 1978 1967
46th Wettest Wettest since: 1980 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 24, 2019 from https://www.ncdc.noaa.gov/cag/