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


Northern Rockies and Plains Climate Region

Precipitation Rankings, March 2018

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
March 2018
1-Month
1.38"
(35.05mm)
1.15"
(29.21mm)
0.23"
(5.84mm)
99th Driest Driest since: 2016 1911
27th Wettest Wettest since: 2017 1987
Ties: 1945, 1990
Feb–Mar 2018
2-Month
2.62"
(66.55mm)
1.95"
(49.53mm)
0.67"
(17.02mm)
119th Driest Driest since: 2017 1926
7th Wettest Wettest since: 2007 1987
Jan–Mar 2018
3-Month
3.37"
(85.60mm)
2.83"
(71.88mm)
0.54"
(13.72mm)
107th Driest Driest since: 2016 1941
19th Wettest Wettest since: 2017 1897
Dec 2017–Mar 2018
4-Month
4.34"
(110.24mm)
3.70"
(93.98mm)
0.64"
(16.26mm)
107th Driest Driest since: 2016 1931
18th Wettest Wettest since: 2017 1907
Ties: 1954
Nov 2017–Mar 2018
5-Month
5.30"
(134.62mm)
4.65"
(118.11mm)
0.65"
(16.51mm)
100th Driest Driest since: 2016 1955
25th Wettest Wettest since: 2017 1897
Oct 2017–Mar 2018
6-Month
6.56"
(166.62mm)
5.90"
(149.86mm)
0.66"
(16.76mm)
95th Driest Driest since: 2016 1966
30th Wettest Wettest since: 2017 1999
Sep 2017–Mar 2018
7-Month
8.91"
(226.31mm)
7.48"
(189.99mm)
1.43"
(36.32mm)
107th Driest Driest since: 2016 1988
18th Wettest Wettest since: 2017 1947
Aug 2017–Mar 2018
8-Month
10.87"
(276.10mm)
9.24"
(234.70mm)
1.63"
(41.40mm)
102nd Driest Driest since: 2016 2013
23rd Wettest Wettest since: 2017 1907
Jul 2017–Mar 2018
9-Month
12.18"
(309.37mm)
11.31"
(287.27mm)
0.87"
(22.10mm)
90th Driest Driest since: 2016 2013
35th Wettest Wettest since: 2017 1916
Jun 2017–Mar 2018
10-Month
13.89"
(352.81mm)
14.26"
(362.20mm)
-0.37"
(-9.39mm)
56th Driest Driest since: 2013 2013
69th Wettest Wettest since: 2017 1916
May 2017–Mar 2018
11-Month
16.02"
(406.91mm)
16.87"
(428.50mm)
-0.85"
(-21.59mm)
48th Driest Driest since: 2013 1937
77th Wettest Wettest since: 2017 1916
Apr 2017–Mar 2018
12-Month
18.16"
(461.26mm)
18.62"
(472.95mm)
-0.46"
(-11.69mm)
52nd Driest Driest since: 2013 1937
73rd Wettest Wettest since: 2017 1916
Oct 2016–Mar 2018
18-Month
25.93"
(658.62mm)
24.53"
(623.06mm)
1.40"
(35.56mm)
84th Driest Driest since: 2016 1937
40th Wettest Wettest since: 2017 1916
Apr 2016–Mar 2018
24-Month
40.19"
(1,020.83mm)
37.23"
(945.64mm)
2.96"
(75.19mm)
96th Driest Driest since: 2016 1935
28th Wettest Wettest since: 2017 2012
Apr 2015–Mar 2018
36-Month
60.67"
(1,541.02mm)
55.80"
(1,417.32mm)
4.87"
(123.70mm)
107th Driest Driest since: 2015 1937
16th Wettest Wettest since: 2017 2011
Apr 2014–Mar 2018
48-Month
80.20"
(2,037.08mm)
74.36"
(1,888.74mm)
5.84"
(148.34mm)
105th Driest Driest since: 2016 1937
17th Wettest Wettest since: 2017 2012
Apr 2013–Mar 2018
60-Month
102.27"
(2,597.66mm)
92.93"
(2,360.42mm)
9.34"
(237.24mm)
113th Driest Driest since: 2017 1938
8th Wettest Wettest since: 2012 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/