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 1939

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1939
1-Month
0.73"
(18.54mm)
3.56"
(90.42mm)
-2.83"
(-71.88mm)
3rd Driest Driest since: 1911 1964
123rd Wettest Wettest since: 1938 1948
Apr–May 1939
2-Month
6.49"
(164.85mm)
7.04"
(178.82mm)
-0.55"
(-13.97mm)
52nd Driest Driest since: 1938 1942
74th Wettest Wettest since: 1937 1948
Ties: 1949
Mar–May 1939
3-Month
11.72"
(297.69mm)
11.01"
(279.65mm)
0.71"
(18.04mm)
84th Driest Driest since: 1938 1986
42nd Wettest Wettest since: 1934 1983
Feb–May 1939
4-Month
17.21"
(437.13mm)
14.06"
(357.12mm)
3.15"
(80.01mm)
109th Driest Driest since: 1938 2006
17th Wettest Wettest since: 1934 1983
Jan–May 1939
5-Month
20.97"
(532.64mm)
17.55"
(445.77mm)
3.42"
(86.87mm)
107th Driest Driest since: 1938 2012
19th Wettest Wettest since: 1937 1948
Ties: 1936
Dec 1938–May 1939
6-Month
23.76"
(603.50mm)
21.01"
(533.65mm)
2.75"
(69.85mm)
98th Driest Driest since: 1938 1986
27th Wettest Wettest since: 1937 1984
Ties: 1923
Nov 1938–May 1939
7-Month
27.02"
(686.31mm)
24.08"
(611.63mm)
2.94"
(74.68mm)
97th Driest Driest since: 1938 1977
28th Wettest Wettest since: 1937 1984
Oct 1938–May 1939
8-Month
29.54"
(750.32mm)
27.23"
(691.64mm)
2.31"
(58.68mm)
93rd Driest Driest since: 1938 2002
32nd Wettest Wettest since: 1937 1984
Sep 1938–May 1939
9-Month
37.39"
(949.71mm)
30.82"
(782.83mm)
6.57"
(166.88mm)
108th Driest Driest since: 1938 2002
17th Wettest Wettest since: 1936 1984
Aug 1938–May 1939
10-Month
40.41"
(1,026.41mm)
35.41"
(899.41mm)
5.00"
(127.00mm)
99th Driest Driest since: 1938 1985
26th Wettest Wettest since: 1937 2010
Jul 1938–May 1939
11-Month
51.13"
(1,298.70mm)
39.69"
(1,008.13mm)
11.44"
(290.57mm)
122nd Driest Driest since: 1938 1931
3rd Wettest Wettest to Date 2019
Jun 1938–May 1939
12-Month
56.05"
(1,423.67mm)
43.32"
(1,100.33mm)
12.73"
(323.34mm)
122nd Driest Driest since: 1938 1965
3rd Wettest Wettest to Date 2010
Dec 1937–May 1939
18-Month
71.87"
(1,825.50mm)
64.29"
(1,632.97mm)
7.58"
(192.53mm)
101st Driest Driest since: 1935 1931
23rd Wettest Wettest since: 1938 1949
Jun 1937–May 1939
24-Month
100.34"
(2,548.64mm)
86.54"
(2,198.12mm)
13.80"
(350.52mm)
111th Driest Driest since: 1938 1931
13th Wettest Wettest since: 1937 2019
Jun 1936–May 1939
36-Month
149.95"
(3,808.73mm)
129.85"
(3,298.19mm)
20.10"
(510.54mm)
118th Driest Driest since: 1938 1967
5th Wettest Wettest since: 1937 2005
Jun 1935–May 1939
48-Month
205.94"
(5,230.88mm)
173.12"
(4,397.25mm)
32.82"
(833.63mm)
121st Driest Driest since: 1938 1966
1st Wettest Wettest to Date 1939
Jun 1934–May 1939
60-Month
252.05"
(6,402.07mm)
216.25"
(5,492.75mm)
35.80"
(909.32mm)
120th Driest Driest since: 1938 1967
1st 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 21, 2019 from https://www.ncdc.noaa.gov/cag/