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 October 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, July 1978

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1978
1-Month
2.75"
(69.85mm)
2.78"
(70.61mm)
-0.03"
(-0.76mm)
56th Driest Driest since: 1977 1930
70th Wettest Wettest since: 1975 1950, 1958
Ties: 1986
Jun–Jul 1978
2-Month
5.30"
(134.62mm)
5.70"
(144.78mm)
-0.40"
(-10.16mm)
28th Driest Driest since: 1977 1930
98th Wettest Wettest since: 1976 1928
Ties: 1914
May–Jul 1978
3-Month
8.94"
(227.08mm)
8.62"
(218.95mm)
0.32"
(8.13mm)
73rd Driest Driest since: 1977 1988
53rd Wettest Wettest since: 1975 2015
Apr–Jul 1978
4-Month
11.48"
(291.59mm)
11.13"
(282.70mm)
0.35"
(8.89mm)
70th Driest Driest since: 1977 1934
56th Wettest Wettest since: 1975 2015
Mar–Jul 1978
5-Month
13.74"
(349.00mm)
13.64"
(346.46mm)
0.10"
(2.54mm)
58th Driest Driest since: 1977 1936
68th Wettest Wettest since: 1975 1973
Feb–Jul 1978
6-Month
15.51"
(393.95mm)
15.78"
(400.81mm)
-0.27"
(-6.86mm)
52nd Driest Driest since: 1977 1934
74th Wettest Wettest since: 1975 2019
Jan–Jul 1978
7-Month
18.69"
(474.73mm)
18.09"
(459.49mm)
0.60"
(15.24mm)
79th Driest Driest since: 1977 1934
47th Wettest Wettest since: 1975 2019
Ties: 1923
Dec 1977–Jul 1978
8-Month
21.41"
(543.81mm)
20.43"
(518.92mm)
0.98"
(24.89mm)
88th Driest Driest since: 1977 1931
37th Wettest Wettest since: 1975 2019
Ties: 1941
Nov 1977–Jul 1978
9-Month
24.27"
(616.46mm)
22.66"
(575.56mm)
1.61"
(40.90mm)
99th Driest Driest since: 1977 1934
26th Wettest Wettest since: 1975 2019
Oct 1977–Jul 1978
10-Month
26.46"
(672.08mm)
24.83"
(630.68mm)
1.63"
(41.40mm)
95th Driest Driest since: 1977 1934
30th Wettest Wettest since: 1975 2019
Sep 1977–Jul 1978
11-Month
29.68"
(753.87mm)
27.33"
(694.18mm)
2.35"
(59.69mm)
108th Driest Driest since: 1977 1934
17th Wettest Wettest since: 1975 2019
Aug 1977–Jul 1978
12-Month
33.23"
(844.04mm)
29.95"
(760.73mm)
3.28"
(83.31mm)
113th Driest Driest since: 1977 1918
12th Wettest Wettest since: 1975 2019
Feb 1977–Jul 1978
18-Month
47.55"
(1,207.77mm)
45.74"
(1,161.80mm)
1.81"
(45.97mm)
87th Driest Driest since: 1977 1931
38th Wettest Wettest since: 1975 2019
Aug 1976–Jul 1978
24-Month
58.49"
(1,485.65mm)
59.92"
(1,521.97mm)
-1.43"
(-36.32mm)
41st Driest Driest since: 1977 1918
83rd Wettest Wettest since: 1976 2019
Aug 1975–Jul 1978
36-Month
87.62"
(2,225.55mm)
89.88"
(2,282.95mm)
-2.26"
(-57.40mm)
36th Driest Driest since: 1968 1956
87th Wettest Wettest since: 1977 2019
Aug 1974–Jul 1978
48-Month
121.23"
(3,079.24mm)
119.78"
(3,042.41mm)
1.45"
(36.83mm)
70th Driest Driest since: 1977 1956
52nd Wettest Wettest since: 1976 2019
Aug 1973–Jul 1978
60-Month
153.24"
(3,892.30mm)
149.64"
(3,800.86mm)
3.60"
(91.44mm)
84th Driest Driest since: 1972 1934
37th Wettest Wettest since: 1977 2019

Citing This Page

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