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 May 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, December 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1978
1-Month
2.53"
(64.26mm)
2.35"
(59.69mm)
0.18"
(4.57mm)
74th Driest Driest since: 1976 1930
54th Wettest Wettest since: 1977 2015
Ties: 1895
Nov–Dec 1978
2-Month
5.13"
(130.30mm)
4.58"
(116.33mm)
0.55"
(13.97mm)
99th Driest Driest since: 1976 1976
29th Wettest Wettest since: 1977 2015
Oct–Dec 1978
3-Month
6.24"
(158.50mm)
6.74"
(171.20mm)
-0.50"
(-12.70mm)
39th Driest Driest since: 1976 1917
89th Wettest Wettest since: 1977 2015
Sep–Dec 1978
4-Month
8.68"
(220.47mm)
9.23"
(234.44mm)
-0.55"
(-13.97mm)
39th Driest Driest since: 1976 1939
89th Wettest Wettest since: 1977 2018
Ties: 1921
Aug–Dec 1978
5-Month
11.45"
(290.83mm)
11.85"
(300.99mm)
-0.40"
(-10.16mm)
43rd Driest Driest since: 1976 1917
85th Wettest Wettest since: 1977 2018
Jul–Dec 1978
6-Month
14.20"
(360.68mm)
14.62"
(371.35mm)
-0.42"
(-10.67mm)
44th Driest Driest since: 1976 1917
84th Wettest Wettest since: 1977 2018
Jun–Dec 1978
7-Month
16.75"
(425.45mm)
17.55"
(445.77mm)
-0.80"
(-20.32mm)
36th Driest Driest since: 1976 1917
92nd Wettest Wettest since: 1977 2018
Ties: 1944
May–Dec 1978
8-Month
20.39"
(517.91mm)
20.46"
(519.68mm)
-0.07"
(-1.77mm)
56th Driest Driest since: 1976 1917
72nd Wettest Wettest since: 1977 2015
Ties: 1911
Apr–Dec 1978
9-Month
22.93"
(582.42mm)
22.98"
(583.69mm)
-0.05"
(-1.27mm)
52nd Driest Driest since: 1976 1956
76th Wettest Wettest since: 1977 2015
Mar–Dec 1978
10-Month
25.19"
(639.83mm)
25.49"
(647.45mm)
-0.30"
(-7.62mm)
47th Driest Driest since: 1976 1956
81st Wettest Wettest since: 1977 2015
Feb–Dec 1978
11-Month
26.96"
(684.78mm)
27.62"
(701.55mm)
-0.66"
(-16.77mm)
38th Driest Driest since: 1976 1910
90th Wettest Wettest since: 1977 2018
Ties: 2007
Jan–Dec 1978
12-Month
30.14"
(765.56mm)
29.94"
(760.48mm)
0.20"
(5.08mm)
60th Driest Driest since: 1976 1910
68th Wettest Wettest since: 1977 1973
Jul 1977–Dec 1978
18-Month
47.24"
(1,199.90mm)
44.58"
(1,132.33mm)
2.66"
(67.57mm)
98th Driest Driest since: 1977 1954
29th Wettest Wettest since: 1975 2019
Jan 1977–Dec 1978
24-Month
60.58"
(1,538.73mm)
59.90"
(1,521.46mm)
0.68"
(17.27mm)
72nd Driest Driest since: 1977 1931
55th Wettest Wettest since: 1975 2019
Jan 1976–Dec 1978
36-Month
86.89"
(2,207.01mm)
89.86"
(2,282.44mm)
-2.97"
(-75.43mm)
29th Driest Driest since: 1967 1956
97th Wettest Wettest since: 1977 2019
Jan 1975–Dec 1978
48-Month
119.92"
(3,045.97mm)
119.78"
(3,042.41mm)
0.14"
(3.56mm)
58th Driest Driest since: 1969 1956
67th Wettest Wettest since: 1977 2019
Jan 1974–Dec 1978
60-Month
150.54"
(3,823.72mm)
149.68"
(3,801.87mm)
0.86"
(21.85mm)
64th Driest Driest since: 1970 1956
60th Wettest Wettest since: 1977 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on July 3, 2022 from https://www.ncei.noaa.gov/cag/