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 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1971
1-Month
5.41"
(137.41mm)
3.56"
(90.42mm)
1.85"
(46.99mm)
108th Driest Driest since: 1970 1964
18th Wettest Wettest since: 1953 1948
Ties: 1947
Apr–May 1971
2-Month
8.05"
(204.47mm)
7.04"
(178.82mm)
1.01"
(25.65mm)
86th Driest Driest since: 1970 1942
40th Wettest Wettest since: 1966 1948
Ties: 1975
Mar–May 1971
3-Month
10.47"
(265.94mm)
11.01"
(279.65mm)
-0.54"
(-13.71mm)
57th Driest Driest since: 1969 1986
69th Wettest Wettest since: 1970 1983
Feb–May 1971
4-Month
16.16"
(410.46mm)
14.06"
(357.12mm)
2.10"
(53.34mm)
97th Driest Driest since: 1970 2006
29th Wettest Wettest since: 1961 1983
Jan–May 1971
5-Month
18.84"
(478.54mm)
17.55"
(445.77mm)
1.29"
(32.77mm)
88th Driest Driest since: 1970 2012
38th Wettest Wettest since: 1961 1948
Dec 1970–May 1971
6-Month
22.26"
(565.40mm)
21.01"
(533.65mm)
1.25"
(31.75mm)
81st Driest Driest since: 1969 1986
44th Wettest Wettest since: 1970 1984
Nov 1970–May 1971
7-Month
25.89"
(657.61mm)
24.08"
(611.63mm)
1.81"
(45.98mm)
88th Driest Driest since: 1970 1977
37th Wettest Wettest since: 1964 1984
Ties: 1964, 1972
Oct 1970–May 1971
8-Month
29.20"
(741.68mm)
27.23"
(691.64mm)
1.97"
(50.04mm)
91st Driest Driest since: 1970 2002
34th Wettest Wettest since: 1958 1984
Sep 1970–May 1971
9-Month
30.22"
(767.59mm)
30.82"
(782.83mm)
-0.60"
(-15.24mm)
65th Driest Driest since: 1970 2002
60th Wettest Wettest since: 1967 1984
Aug 1970–May 1971
10-Month
32.89"
(835.41mm)
35.41"
(899.41mm)
-2.52"
(-64.00mm)
47th Driest Driest since: 1969 1985
78th Wettest Wettest since: 1970 2010
Jul 1970–May 1971
11-Month
37.38"
(949.45mm)
39.69"
(1,008.13mm)
-2.31"
(-58.68mm)
48th Driest Driest since: 1969 1931
77th Wettest Wettest since: 1970 2019
Jun 1970–May 1971
12-Month
43.00"
(1,092.20mm)
43.32"
(1,100.33mm)
-0.32"
(-8.13mm)
59th Driest Driest since: 1969 1965
66th Wettest Wettest since: 1970 2010
Dec 1969–May 1971
18-Month
65.94"
(1,674.88mm)
64.29"
(1,632.97mm)
1.65"
(41.91mm)
71st Driest Driest since: 1970 1931
53rd Wettest Wettest since: 1961 1949
Jun 1969–May 1971
24-Month
89.95"
(2,284.73mm)
86.54"
(2,198.12mm)
3.41"
(86.61mm)
73rd Driest Driest since: 1970 1931
51st Wettest Wettest since: 1962 2019
Jun 1968–May 1971
36-Month
121.67"
(3,090.42mm)
129.85"
(3,298.19mm)
-8.18"
(-207.77mm)
26th Driest Driest since: 1969 1967
97th Wettest Wettest since: 1970 2005
Jun 1967–May 1971
48-Month
169.13"
(4,295.90mm)
173.12"
(4,397.25mm)
-3.99"
(-101.35mm)
37th Driest Driest since: 1970 1966
85th Wettest Wettest since: 1963 1939
Jun 1966–May 1971
60-Month
205.76"
(5,226.30mm)
216.25"
(5,492.75mm)
-10.49"
(-266.45mm)
22nd Driest Driest since: 1970 1967
99th Wettest Wettest since: 1964 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/