Climate at a Glance

National 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 July 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, April 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1940
1-Month
3.04"
(77.22mm)
2.52"
(64.01mm)
0.52"
(13.21mm)
108th Driest Driest since: 1939 1987
18th Wettest Wettest since: 1927 1957
Mar–Apr 1940
2-Month
5.31"
(134.87mm)
5.03"
(127.76mm)
0.28"
(7.11mm)
87th Driest Driest since: 1939 1910
39th Wettest Wettest since: 1938 1973
Ties: 1921, 1928
Feb–Apr 1940
3-Month
8.29"
(210.57mm)
7.16"
(181.86mm)
1.13"
(28.71mm)
109th Driest Driest since: 1939 1910
17th Wettest Wettest since: 1938 1983
Jan–Apr 1940
4-Month
10.22"
(259.59mm)
9.48"
(240.79mm)
0.74"
(18.80mm)
100th Driest Driest since: 1939 1910
26th Wettest Wettest since: 1938 1998
Dec 1939–Apr 1940
5-Month
12.10"
(307.34mm)
11.82"
(300.23mm)
0.28"
(7.11mm)
76th Driest Driest since: 1939 1931
49th Wettest Wettest since: 1938 1983
Nov 1939–Apr 1940
6-Month
13.09"
(332.49mm)
14.05"
(356.87mm)
-0.96"
(-24.38mm)
30th Driest Driest since: 1934 1977
95th Wettest Wettest since: 1939 1983
Oct 1939–Apr 1940
7-Month
14.69"
(373.13mm)
16.22"
(411.99mm)
-1.53"
(-38.86mm)
20th Driest Driest since: 1939 1981
105th Wettest Wettest since: 1938 1983
Sep 1939–Apr 1940
8-Month
16.31"
(414.27mm)
18.71"
(475.23mm)
-2.40"
(-60.96mm)
10th Driest Driest since: 1934 1918
115th Wettest Wettest since: 1939 2019
Aug 1939–Apr 1940
9-Month
19.02"
(483.11mm)
21.33"
(541.78mm)
-2.31"
(-58.67mm)
11th Driest Driest since: 1934 1918
114th Wettest Wettest since: 1939 2019
Jul 1939–Apr 1940
10-Month
21.38"
(543.05mm)
24.12"
(612.65mm)
-2.74"
(-69.60mm)
10th Driest Driest since: 1934 1931
115th Wettest Wettest since: 1939 2019
Jun 1939–Apr 1940
11-Month
24.70"
(627.38mm)
27.04"
(686.82mm)
-2.34"
(-59.44mm)
15th Driest Driest since: 1934 1931
110th Wettest Wettest since: 1939 2019
May 1939–Apr 1940
12-Month
26.90"
(683.26mm)
29.95"
(760.73mm)
-3.05"
(-77.47mm)
13th Driest Driest since: 1934 1918
112th Wettest Wettest since: 1939 2019
Nov 1938–Apr 1940
18-Month
40.27"
(1,022.86mm)
44.02"
(1,118.11mm)
-3.75"
(-95.25mm)
17th Driest Driest since: 1935 1931
107th Wettest Wettest since: 1939 1974
May 1938–Apr 1940
24-Month
55.78"
(1,416.81mm)
59.92"
(1,521.97mm)
-4.14"
(-105.16mm)
16th Driest Driest since: 1935 1955
108th Wettest Wettest since: 1939 2017
May 1937–Apr 1940
36-Month
86.10"
(2,186.94mm)
89.88"
(2,282.95mm)
-3.78"
(-96.01mm)
24th Driest Driest since: 1937 1955
99th Wettest Wettest since: 1939 1984
May 1936–Apr 1940
48-Month
114.48"
(2,907.79mm)
119.77"
(3,042.16mm)
-5.29"
(-134.37mm)
14th Driest Driest since: 1937 1956
108th Wettest Wettest since: 1939 2019
May 1935–Apr 1940
60-Month
143.99"
(3,657.35mm)
149.63"
(3,800.60mm)
-5.64"
(-143.25mm)
17th Driest Driest since: 1938 1957
104th Wettest Wettest since: 1939 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 22, 2019 from https://www.ncdc.noaa.gov/cag/