Climate at a Glance

Regional 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 January 2020. For more information, please see Climatological Rankings.


Northern Rockies and Plains Climate Region

Precipitation Rankings, January 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
January 1978
1-Month
0.92"
(23.37mm)
0.88"
(22.35mm)
0.04"
(1.02mm)
87th Driest Driest since: 1977 1961
40th Wettest Wettest since: 1975 1969
Ties: 1905, 1998
Dec 1977–Jan 1978
2-Month
2.46"
(62.48mm)
1.74"
(44.20mm)
0.72"
(18.28mm)
116th Driest Driest since: 1977 1931
10th Wettest Wettest since: 1969 1918
Nov 1977–Jan 1978
3-Month
3.83"
(97.28mm)
2.70"
(68.58mm)
1.13"
(28.70mm)
120th Driest Driest since: 1977 1955
6th Wettest Wettest since: 1949 1997
Ties: 1923
Oct 1977–Jan 1978
4-Month
5.07"
(128.78mm)
3.94"
(100.08mm)
1.13"
(28.70mm)
114th Driest Driest since: 1977 1908
12th Wettest Wettest since: 1972 1999
Sep 1977–Jan 1978
5-Month
7.54"
(191.52mm)
5.53"
(140.46mm)
2.01"
(51.06mm)
120th Driest Driest since: 1977 1953
6th Wettest Wettest since: 1974 1947
Aug 1977–Jan 1978
6-Month
10.07"
(255.78mm)
7.28"
(184.91mm)
2.79"
(70.87mm)
122nd Driest Driest since: 1977 1977
4th Wettest Wettest since: 1947 2020
Jul 1977–Jan 1978
7-Month
12.31"
(312.67mm)
9.35"
(237.49mm)
2.96"
(75.18mm)
122nd Driest Driest since: 1977 1977
4th Wettest Wettest since: 1916 2020
Jun 1977–Jan 1978
8-Month
14.44"
(366.78mm)
12.31"
(312.67mm)
2.13"
(54.11mm)
114th Driest Driest since: 1977 1937, 2013
12th Wettest Wettest since: 1969 1916
May 1977–Jan 1978
9-Month
17.52"
(445.01mm)
14.92"
(378.97mm)
2.60"
(66.04mm)
108th Driest Driest since: 1977 1937
18th Wettest Wettest since: 1966 1916
Apr 1977–Jan 1978
10-Month
18.83"
(478.28mm)
16.67"
(423.42mm)
2.16"
(54.86mm)
100th Driest Driest since: 1977 1937
26th Wettest Wettest since: 1969 1916
Ties: 1979, 1997
Mar 1977–Jan 1978
11-Month
20.91"
(531.11mm)
17.82"
(452.63mm)
3.09"
(78.48mm)
113th Driest Driest since: 1977 1937
13th Wettest Wettest since: 1943 1916
Feb 1977–Jan 1978
12-Month
21.38"
(543.05mm)
18.62"
(472.95mm)
2.76"
(70.10mm)
108th Driest Driest since: 1977 1935
18th Wettest Wettest since: 1943 1916
Aug 1976–Jan 1978
18-Month
26.01"
(660.65mm)
25.90"
(657.86mm)
0.11"
(2.79mm)
63rd Driest Driest since: 1977 1937
62nd Wettest Wettest since: 1976 1928
Feb 1976–Jan 1978
24-Month
36.35"
(923.29mm)
37.24"
(945.90mm)
-0.89"
(-22.61mm)
50th Driest Driest since: 1977 1935
75th Wettest Wettest since: 1976 2020
Feb 1975–Jan 1978
36-Month
56.99"
(1,447.55mm)
55.81"
(1,417.57mm)
1.18"
(29.98mm)
68th Driest Driest since: 1977 1937
56th Wettest Wettest since: 1974 1996
Feb 1974–Jan 1978
48-Month
72.84"
(1,850.14mm)
74.38"
(1,889.25mm)
-1.54"
(-39.11mm)
39th Driest Driest since: 1977 1937
84th Wettest Wettest since: 1976 2012
Ties: 1901
Feb 1973–Jan 1978
60-Month
92.75"
(2,355.85mm)
92.96"
(2,361.18mm)
-0.21"
(-5.33mm)
49th Driest Driest since: 1977 1938
73rd Wettest Wettest since: 1976 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published February 2020, retrieved on February 17, 2020 from https://www.ncdc.noaa.gov/cag/