Climate at a Glance

Statewide 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 2021. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, September 1998

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1998
1-Month
1.34"
(34.04mm)
1.24"
(31.50mm)
0.10"
(2.54mm)
80th Driest Driest since: 1996 1979
47th Wettest Wettest since: 1997 1923
Aug–Sep 1998
2-Month
2.71"
(68.83mm)
2.31"
(58.67mm)
0.40"
(10.16mm)
90th Driest Driest since: 1996 2012
37th Wettest Wettest since: 1997 1923
Jul–Sep 1998
3-Month
4.45"
(113.03mm)
3.59"
(91.19mm)
0.86"
(21.84mm)
102nd Driest Driest since: 1996 1964
25th Wettest Wettest since: 1997 1923
Jun–Sep 1998
4-Month
7.78"
(197.61mm)
5.43"
(137.92mm)
2.35"
(59.69mm)
120th Driest Driest since: 1996 2012
7th Wettest Wettest since: 1997 1923
May–Sep 1998
5-Month
9.22"
(234.19mm)
7.64"
(194.06mm)
1.58"
(40.13mm)
104th Driest Driest since: 1996 1919
23rd Wettest Wettest since: 1997 1915
Apr–Sep 1998
6-Month
10.58"
(268.73mm)
9.42"
(239.27mm)
1.16"
(29.46mm)
95th Driest Driest since: 1996 2012
32nd Wettest Wettest since: 1997 1941
Mar–Sep 1998
7-Month
12.40"
(314.96mm)
10.67"
(271.02mm)
1.73"
(43.94mm)
104th Driest Driest since: 1996 2012
23rd Wettest Wettest since: 1997 1941
Feb–Sep 1998
8-Month
13.30"
(337.82mm)
11.63"
(295.40mm)
1.67"
(42.42mm)
99th Driest Driest since: 1996 2012
28th Wettest Wettest since: 1997 1945
Jan–Sep 1998
9-Month
14.71"
(373.63mm)
12.70"
(322.58mm)
2.01"
(51.05mm)
104th Driest Driest since: 1996 1919
23rd Wettest Wettest since: 1997 1915, 1945
Dec 1997–Sep 1998
10-Month
15.60"
(396.24mm)
13.71"
(348.23mm)
1.89"
(48.01mm)
100th Driest Driest since: 1996 1919
26th Wettest Wettest since: 1997 1923
Nov 1997–Sep 1998
11-Month
16.15"
(410.21mm)
14.74"
(374.40mm)
1.41"
(35.81mm)
89th Driest Driest since: 1996 1919
37th Wettest Wettest since: 1997 1923
Oct 1997–Sep 1998
12-Month
17.53"
(445.26mm)
15.94"
(404.88mm)
1.59"
(40.38mm)
93rd Driest Driest since: 1996 1919
33rd Wettest Wettest since: 1997 1995
Apr 1997–Sep 1998
18-Month
29.35"
(745.49mm)
25.35"
(643.89mm)
4.00"
(101.60mm)
114th Driest Driest since: 1997 1911
12th Wettest Wettest since: 1983 1945
Oct 1996–Sep 1998
24-Month
37.79"
(959.87mm)
31.88"
(809.75mm)
5.91"
(150.12mm)
124th Driest Driest since: 1997 2002
1st Wettest Wettest to Date 1998
Oct 1995–Sep 1998
36-Month
53.88"
(1,368.55mm)
47.81"
(1,214.37mm)
6.07"
(154.18mm)
114th Driest Driest since: 1996 2002
10th Wettest Wettest since: 1997 1997
Ties: 1973
Oct 1994–Sep 1998
48-Month
75.23"
(1,910.84mm)
63.72"
(1,618.49mm)
11.51"
(292.35mm)
122nd Driest Driest since: 1997 2003
1st Wettest Wettest to Date 1998
Oct 1993–Sep 1998
60-Month
87.53"
(2,223.26mm)
79.56"
(2,020.82mm)
7.97"
(202.44mm)
111th Driest Driest since: 1996 2004
11th Wettest Wettest since: 1997 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 26, 2021 from https://www.ncdc.noaa.gov/cag/