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 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1978
1-Month
2.54"
(64.52mm)
2.52"
(64.01mm)
0.02"
(0.51mm)
69th Driest Driest since: 1977 1987
57th Wettest Wettest since: 1975 1957
Ties: 1933, 1948, 2006, 2008
Mar–Apr 1978
2-Month
4.80"
(121.92mm)
5.03"
(127.76mm)
-0.23"
(-5.84mm)
51st Driest Driest since: 1972 1910
75th Wettest Wettest since: 1977 1973
Ties: 1996, 2007
Feb–Apr 1978
3-Month
6.57"
(166.88mm)
7.16"
(181.86mm)
-0.59"
(-14.98mm)
29th Driest Driest since: 1972 1910
97th Wettest Wettest since: 1977 1983
Ties: 1981
Jan–Apr 1978
4-Month
9.75"
(247.65mm)
9.47"
(240.54mm)
0.28"
(7.11mm)
81st Driest Driest since: 1977 1910
45th Wettest Wettest since: 1975 1998
Dec 1977–Apr 1978
5-Month
12.47"
(316.74mm)
11.82"
(300.23mm)
0.65"
(16.51mm)
92nd Driest Driest since: 1977 1931
33rd Wettest Wettest since: 1975 1983
Nov 1977–Apr 1978
6-Month
15.33"
(389.38mm)
14.05"
(356.87mm)
1.28"
(32.51mm)
100th Driest Driest since: 1977 1977
25th Wettest Wettest since: 1975 1983
Oct 1977–Apr 1978
7-Month
17.52"
(445.01mm)
16.22"
(411.99mm)
1.30"
(33.02mm)
95th Driest Driest since: 1977 1981
30th Wettest Wettest since: 1975 1983
Sep 1977–Apr 1978
8-Month
20.74"
(526.80mm)
18.71"
(475.23mm)
2.03"
(51.57mm)
108th Driest Driest since: 1977 1918
17th Wettest Wettest since: 1974 2019
Aug 1977–Apr 1978
9-Month
24.29"
(616.97mm)
21.33"
(541.78mm)
2.96"
(75.19mm)
116th Driest Driest since: 1977 1918
9th Wettest Wettest since: 1973 2019
Jul 1977–Apr 1978
10-Month
26.85"
(681.99mm)
24.12"
(612.65mm)
2.73"
(69.34mm)
113th Driest Driest since: 1977 1931
12th Wettest Wettest since: 1974 2019
Jun 1977–Apr 1978
11-Month
29.34"
(745.24mm)
27.04"
(686.82mm)
2.30"
(58.42mm)
109th Driest Driest since: 1977 1931
16th Wettest Wettest since: 1974 2019
May 1977–Apr 1978
12-Month
32.01"
(813.05mm)
29.95"
(760.73mm)
2.06"
(52.32mm)
102nd Driest Driest since: 1977 1918
23rd Wettest Wettest since: 1974 2019
Nov 1976–Apr 1978
18-Month
42.66"
(1,083.56mm)
44.02"
(1,118.11mm)
-1.36"
(-34.55mm)
38th Driest Driest since: 1977 1931
86th Wettest Wettest since: 1976 1974
May 1976–Apr 1978
24-Month
57.99"
(1,472.95mm)
59.92"
(1,521.97mm)
-1.93"
(-49.02mm)
33rd Driest Driest since: 1977 1955
91st Wettest Wettest since: 1976 2017
Ties: 1982
May 1975–Apr 1978
36-Month
88.24"
(2,241.30mm)
89.88"
(2,282.95mm)
-1.64"
(-41.65mm)
43rd Driest Driest since: 1977 1955
80th Wettest Wettest since: 1976 1984
May 1974–Apr 1978
48-Month
120.14"
(3,051.56mm)
119.77"
(3,042.16mm)
0.37"
(9.40mm)
60th Driest Driest since: 1970 1956
62nd Wettest Wettest since: 1977 2019
May 1973–Apr 1978
60-Month
153.34"
(3,894.84mm)
149.63"
(3,800.60mm)
3.71"
(94.24mm)
86th Driest Driest since: 1972 1957
35th Wettest Wettest since: 1977 2019
Ties: 1962

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 19, 2019 from https://www.ncdc.noaa.gov/cag/