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 February 2020. For more information, please see Climatological Rankings.


Northern Rockies and Plains Climate Region

Precipitation Rankings, January 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
January 1999
1-Month
0.99"
(25.15mm)
0.88"
(22.35mm)
0.11"
(2.80mm)
95th Driest Driest since: 1998 1961
32nd Wettest Wettest since: 1997 1969
Ties: 1963
Dec 1998–Jan 1999
2-Month
1.79"
(45.47mm)
1.74"
(44.20mm)
0.05"
(1.27mm)
80th Driest Driest since: 1998 1931
46th Wettest Wettest since: 1997 1918
Ties: 1976
Nov 1998–Jan 1999
3-Month
3.37"
(85.60mm)
2.70"
(68.58mm)
0.67"
(17.02mm)
106th Driest Driest since: 1998 1955
20th Wettest Wettest since: 1997 1997
Oct 1998–Jan 1999
4-Month
6.41"
(162.81mm)
3.94"
(100.08mm)
2.47"
(62.73mm)
125th Driest Driest since: 1998 1908
1st Wettest Wettest to Date 1999
Sep 1998–Jan 1999
5-Month
7.44"
(188.98mm)
5.53"
(140.46mm)
1.91"
(48.52mm)
116th Driest Driest since: 1998 1953
10th Wettest Wettest since: 1997 1947
Aug 1998–Jan 1999
6-Month
9.49"
(241.05mm)
7.28"
(184.91mm)
2.21"
(56.14mm)
118th Driest Driest since: 1998 1977
8th Wettest Wettest since: 1997 2020
Jul 1998–Jan 1999
7-Month
11.91"
(302.51mm)
9.35"
(237.49mm)
2.56"
(65.02mm)
120th Driest Driest since: 1998 1977
6th Wettest Wettest since: 1994 2020
Jun 1998–Jan 1999
8-Month
16.03"
(407.16mm)
12.31"
(312.67mm)
3.72"
(94.49mm)
123rd Driest Driest since: 1998 1937, 2013
3rd Wettest Wettest since: 1994 1916
May 1998–Jan 1999
9-Month
18.21"
(462.53mm)
14.92"
(378.97mm)
3.29"
(83.56mm)
116th Driest Driest since: 1998 1937
10th Wettest Wettest since: 1996 1916
Apr 1998–Jan 1999
10-Month
19.66"
(499.36mm)
16.67"
(423.42mm)
2.99"
(75.94mm)
114th Driest Driest since: 1998 1937
12th Wettest Wettest since: 1996 1916
Mar 1998–Jan 1999
11-Month
21.17"
(537.72mm)
17.82"
(452.63mm)
3.35"
(85.09mm)
116th Driest Driest since: 1998 1937
10th Wettest Wettest since: 1996 1916
Feb 1998–Jan 1999
12-Month
22.01"
(559.05mm)
18.62"
(472.95mm)
3.39"
(86.10mm)
116th Driest Driest since: 1998 1935
10th Wettest Wettest since: 1996 1916
Aug 1997–Jan 1999
18-Month
29.19"
(741.43mm)
25.90"
(657.86mm)
3.29"
(83.57mm)
110th Driest Driest since: 1998 1937
15th Wettest Wettest since: 1996 1928
Feb 1997–Jan 1999
24-Month
41.14"
(1,044.96mm)
37.24"
(945.90mm)
3.90"
(99.06mm)
106th Driest Driest since: 1998 1935
19th Wettest Wettest since: 1997 2020
Feb 1996–Jan 1999
36-Month
61.81"
(1,569.97mm)
55.81"
(1,417.57mm)
6.00"
(152.40mm)
114th Driest Driest since: 1997 1937
10th Wettest Wettest since: 1998 1996
Feb 1995–Jan 1999
48-Month
84.81"
(2,154.17mm)
74.38"
(1,889.25mm)
10.43"
(264.92mm)
119th Driest Driest since: 1998 1937
4th Wettest Wettest since: 1997 2012
Feb 1994–Jan 1999
60-Month
102.35"
(2,599.69mm)
92.96"
(2,361.18mm)
9.39"
(238.51mm)
114th Driest Driest since: 1995 1938
8th Wettest Wettest since: 1998 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published March 2020, retrieved on April 7, 2020 from https://www.ncdc.noaa.gov/cag/