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 1970

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1970
1-Month
2.45"
(62.23mm)
3.56"
(90.42mm)
-1.11"
(-28.19mm)
38th Driest Driest since: 1969 1964
88th Wettest Wettest since: 1968 1948
Apr–May 1970
2-Month
7.28"
(184.91mm)
7.04"
(178.82mm)
0.24"
(6.09mm)
71st Driest Driest since: 1969 1942
55th Wettest Wettest since: 1966 1948
Mar–May 1970
3-Month
11.28"
(286.51mm)
11.01"
(279.65mm)
0.27"
(6.86mm)
76th Driest Driest since: 1969 1986
50th Wettest Wettest since: 1961 1983
Feb–May 1970
4-Month
13.70"
(347.98mm)
14.06"
(357.12mm)
-0.36"
(-9.14mm)
61st Driest Driest since: 1969 2006
65th Wettest Wettest since: 1961 1983
Jan–May 1970
5-Month
15.39"
(390.91mm)
17.55"
(445.77mm)
-2.16"
(-54.86mm)
39th Driest Driest since: 1969 2012
87th Wettest Wettest since: 1966 1948
Dec 1969–May 1970
6-Month
22.94"
(582.68mm)
21.01"
(533.65mm)
1.93"
(49.03mm)
88th Driest Driest since: 1969 1986
37th Wettest Wettest since: 1961 1984
Nov 1969–May 1970
7-Month
25.19"
(639.83mm)
24.08"
(611.63mm)
1.11"
(28.20mm)
81st Driest Driest since: 1969 1977
44th Wettest Wettest since: 1964 1984
Oct 1969–May 1970
8-Month
26.52"
(673.61mm)
27.23"
(691.64mm)
-0.71"
(-18.03mm)
58th Driest Driest since: 1969 2002
67th Wettest Wettest since: 1962 1984
Sep 1969–May 1970
9-Month
29.98"
(761.49mm)
30.82"
(782.83mm)
-0.84"
(-21.34mm)
61st Driest Driest since: 1969 2002
64th Wettest Wettest since: 1967 1984
Aug 1969–May 1970
10-Month
36.14"
(917.96mm)
35.40"
(899.16mm)
0.74"
(18.80mm)
70th Driest Driest since: 1969 1985
55th Wettest Wettest since: 1968 2010
Jul 1969–May 1970
11-Month
43.86"
(1,114.04mm)
39.69"
(1,008.13mm)
4.17"
(105.91mm)
88th Driest Driest since: 1969 1931
37th Wettest Wettest since: 1968 2019
Jun 1969–May 1970
12-Month
46.95"
(1,192.53mm)
43.32"
(1,100.33mm)
3.63"
(92.20mm)
85th Driest Driest since: 1969 1965
40th Wettest Wettest since: 1968 2010
Dec 1968–May 1970
18-Month
63.11"
(1,602.99mm)
64.29"
(1,632.97mm)
-1.18"
(-29.98mm)
54th Driest Driest since: 1969 1931
70th Wettest Wettest since: 1968 1949
Jun 1968–May 1970
24-Month
78.67"
(1,998.22mm)
86.54"
(2,198.12mm)
-7.87"
(-199.90mm)
23rd Driest Driest since: 1967 1931
101st Wettest Wettest since: 1969 2019
Jun 1967–May 1970
36-Month
126.13"
(3,203.70mm)
129.85"
(3,298.19mm)
-3.72"
(-94.49mm)
41st Driest Driest since: 1969 1967
82nd Wettest Wettest since: 1963 2005
Jun 1966–May 1970
48-Month
162.76"
(4,134.10mm)
173.12"
(4,397.25mm)
-10.36"
(-263.15mm)
18th Driest Driest since: 1969 1966
104th Wettest Wettest since: 1964 1939
Jun 1965–May 1970
60-Month
197.19"
(5,008.63mm)
216.25"
(5,492.75mm)
-19.06"
(-484.12mm)
8th Driest Driest since: 1969 1967
113th 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 20, 2019 from https://www.ncdc.noaa.gov/cag/