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


Wyoming

Precipitation Rankings, September 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2017
1-Month
2.21"
(56.13mm)
1.24"
(31.50mm)
0.97"
(24.63mm)
118th Driest Driest since: 2016 1979
10th Wettest Wettest since: 2013 1923
Ties: 1965
Aug–Sep 2017
2-Month
3.15"
(80.01mm)
2.31"
(58.67mm)
0.84"
(21.34mm)
111th Driest Driest since: 2016 2012
17th Wettest Wettest since: 2014 1923
Jul–Sep 2017
3-Month
4.12"
(104.65mm)
3.59"
(91.19mm)
0.53"
(13.46mm)
96th Driest Driest since: 2016 1964
32nd Wettest Wettest since: 2014 1923
Jun–Sep 2017
4-Month
5.21"
(132.33mm)
5.43"
(137.92mm)
-0.22"
(-5.59mm)
62nd Driest Driest since: 2016 2012
66th Wettest Wettest since: 2014 1923
May–Sep 2017
5-Month
7.01"
(178.05mm)
7.64"
(194.06mm)
-0.63"
(-16.01mm)
48th Driest Driest since: 2016 1919
80th Wettest Wettest since: 2015 1915
Apr–Sep 2017
6-Month
9.81"
(249.17mm)
9.42"
(239.27mm)
0.39"
(9.90mm)
78th Driest Driest since: 2016 2012
50th Wettest Wettest since: 2015 1941
Mar–Sep 2017
7-Month
11.69"
(296.93mm)
10.67"
(271.02mm)
1.02"
(25.91mm)
88th Driest Driest since: 2016 2012
40th Wettest Wettest since: 2015 1941
Ties: 1925
Feb–Sep 2017
8-Month
13.71"
(348.23mm)
11.63"
(295.40mm)
2.08"
(52.83mm)
109th Driest Driest since: 2016 2012
19th Wettest Wettest since: 2014 1945
Jan–Sep 2017
9-Month
15.37"
(390.40mm)
12.70"
(322.58mm)
2.67"
(67.82mm)
117th Driest Driest since: 2016 1919
11th Wettest Wettest since: 1995 1915, 1945
Dec 2016–Sep 2017
10-Month
17.19"
(436.63mm)
13.71"
(348.23mm)
3.48"
(88.40mm)
123rd Driest Driest since: 2016 1919
4th Wettest Wettest since: 1997 1923
Nov 2016–Sep 2017
11-Month
18.03"
(457.96mm)
14.74"
(374.40mm)
3.29"
(83.56mm)
119th Driest Driest since: 2016 1919
8th Wettest Wettest since: 1997 1923
Oct 2016–Sep 2017
12-Month
19.84"
(503.94mm)
15.94"
(404.88mm)
3.90"
(99.06mm)
123rd Driest Driest since: 2016 1919
4th Wettest Wettest since: 1997 1995
Apr 2016–Sep 2017
18-Month
28.99"
(736.35mm)
25.35"
(643.89mm)
3.64"
(92.46mm)
111th Driest Driest since: 2016 2021
16th Wettest Wettest since: 2011 1945
Oct 2015–Sep 2017
24-Month
35.96"
(913.38mm)
31.88"
(809.75mm)
4.08"
(103.63mm)
113th Driest Driest since: 2016 2002
13th Wettest Wettest since: 1999 1998
Oct 2014–Sep 2017
36-Month
52.69"
(1,338.33mm)
47.81"
(1,214.37mm)
4.88"
(123.96mm)
111th Driest Driest since: 2016 2002
14th Wettest Wettest since: 1999 1997
Oct 2013–Sep 2017
48-Month
71.70"
(1,821.18mm)
63.72"
(1,618.49mm)
7.98"
(202.69mm)
118th Driest Driest since: 2016 2003
6th Wettest Wettest since: 1999 1998
Oct 2012–Sep 2017
60-Month
86.95"
(2,208.53mm)
79.56"
(2,020.82mm)
7.39"
(187.71mm)
109th Driest Driest since: 2016 2004
14th Wettest Wettest since: 1999 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 22, 2022 from https://www.ncdc.noaa.gov/cag/