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 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1999
1-Month
1.54"
(39.12mm)
3.56"
(90.42mm)
-2.02"
(-51.30mm)
11th Driest Driest since: 1986 1964
115th Wettest Wettest since: 1998 1948
Ties: 1925
Apr–May 1999
2-Month
4.42"
(112.27mm)
7.04"
(178.82mm)
-2.62"
(-66.55mm)
15th Driest Driest since: 1986 1942
111th Wettest Wettest since: 1998 1948
Mar–May 1999
3-Month
9.18"
(233.17mm)
11.01"
(279.65mm)
-1.83"
(-46.48mm)
32nd Driest Driest since: 1995 1986
94th Wettest Wettest since: 1998 1983
Feb–May 1999
4-Month
11.91"
(302.51mm)
14.06"
(357.12mm)
-2.15"
(-54.61mm)
30th Driest Driest since: 1995 2006
96th Wettest Wettest since: 1998 1983
Jan–May 1999
5-Month
17.75"
(450.85mm)
17.55"
(445.77mm)
0.20"
(5.08mm)
75th Driest Driest since: 1997 2012
51st Wettest Wettest since: 1998 1948
Ties: 1980
Dec 1998–May 1999
6-Month
20.50"
(520.70mm)
21.01"
(533.65mm)
-0.51"
(-12.95mm)
59th Driest Driest since: 1995 1986
66th Wettest Wettest since: 1998 1984
Nov 1998–May 1999
7-Month
21.72"
(551.69mm)
24.08"
(611.63mm)
-2.36"
(-59.94mm)
42nd Driest Driest since: 1995 1977
83rd Wettest Wettest since: 1998 1984
Ties: 1957
Oct 1998–May 1999
8-Month
24.07"
(611.38mm)
27.23"
(691.64mm)
-3.16"
(-80.26mm)
37th Driest Driest since: 1995 2002
88th Wettest Wettest since: 1998 1984
Sep 1998–May 1999
9-Month
26.32"
(668.53mm)
30.82"
(782.83mm)
-4.50"
(-114.30mm)
24th Driest Driest since: 1995 2002
101st Wettest Wettest since: 1998 1984
Aug 1998–May 1999
10-Month
29.71"
(754.63mm)
35.41"
(899.41mm)
-5.70"
(-144.78mm)
18th Driest Driest since: 1995 1985
107th Wettest Wettest since: 1998 2010
Jul 1998–May 1999
11-Month
31.55"
(801.37mm)
39.69"
(1,008.13mm)
-8.14"
(-206.76mm)
7th Driest Driest since: 1985 1931
118th Wettest Wettest since: 1998 2019
Jun 1998–May 1999
12-Month
35.12"
(892.05mm)
43.32"
(1,100.33mm)
-8.20"
(-208.28mm)
11th Driest Driest since: 1985 1965
114th Wettest Wettest since: 1998 2010
Dec 1997–May 1999
18-Month
62.14"
(1,578.36mm)
64.29"
(1,632.97mm)
-2.15"
(-54.61mm)
49th Driest Driest since: 1996 1931
75th Wettest Wettest since: 1998 1949
Jun 1997–May 1999
24-Month
83.78"
(2,128.01mm)
86.54"
(2,198.12mm)
-2.76"
(-70.11mm)
44th Driest Driest since: 1996 1931
80th Wettest Wettest since: 1998 2019
Jun 1996–May 1999
36-Month
136.66"
(3,471.16mm)
129.85"
(3,298.19mm)
6.81"
(172.97mm)
82nd Driest Driest since: 1997 1967
41st Wettest Wettest since: 1998 2005
Jun 1995–May 1999
48-Month
181.91"
(4,620.51mm)
173.12"
(4,397.25mm)
8.79"
(223.26mm)
90th Driest Driest since: 1996 1966
32nd Wettest Wettest since: 1998 1939
Jun 1994–May 1999
60-Month
219.66"
(5,579.36mm)
216.25"
(5,492.75mm)
3.41"
(86.61mm)
66th Driest Driest since: 1996 1967
55th Wettest Wettest since: 1998 1939

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/