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


Wyoming

Precipitation Rankings, September 2019

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 2019
1-Month
1.98"
(50.29mm)
1.24"
(31.50mm)
0.74"
(18.79mm)
111th Driest Driest since: 2018 1979
16th Wettest Wettest since: 2017 1923
Aug–Sep 2019
2-Month
2.99"
(75.95mm)
2.31"
(58.67mm)
0.68"
(17.28mm)
104th Driest Driest since: 2018 2012
23rd Wettest Wettest since: 2017 1923
Ties: 1950
Jul–Sep 2019
3-Month
4.30"
(109.22mm)
3.59"
(91.19mm)
0.71"
(18.03mm)
97th Driest Driest since: 2018 1964
30th Wettest Wettest since: 2014 1923
Jun–Sep 2019
4-Month
5.96"
(151.38mm)
5.43"
(137.92mm)
0.53"
(13.46mm)
91st Driest Driest since: 2018 2012
36th Wettest Wettest since: 2014 1923
Ties: 1928
May–Sep 2019
5-Month
9.72"
(246.89mm)
7.64"
(194.06mm)
2.08"
(52.83mm)
112th Driest Driest since: 2018 1919
15th Wettest Wettest since: 1997 1915
Apr–Sep 2019
6-Month
11.69"
(296.93mm)
9.42"
(239.27mm)
2.27"
(57.66mm)
112th Driest Driest since: 2018 2012
15th Wettest Wettest since: 1997 1941
Mar–Sep 2019
7-Month
12.96"
(329.18mm)
10.67"
(271.02mm)
2.29"
(58.16mm)
111th Driest Driest since: 2018 2012
16th Wettest Wettest since: 1995 1941
Feb–Sep 2019
8-Month
14.36"
(364.74mm)
11.63"
(295.40mm)
2.73"
(69.34mm)
117th Driest Driest since: 2018 2012
10th Wettest Wettest since: 1995 1945
Jan–Sep 2019
9-Month
15.26"
(387.60mm)
12.70"
(322.58mm)
2.56"
(65.02mm)
114th Driest Driest since: 2018 1919
13th Wettest Wettest since: 2017 1915, 1945
Ties: 1993
Dec 2018–Sep 2019
10-Month
16.02"
(406.91mm)
13.71"
(348.23mm)
2.31"
(58.68mm)
108th Driest Driest since: 2018 1919
18th Wettest Wettest since: 2017 1923
Nov 2018–Sep 2019
11-Month
17.33"
(440.18mm)
14.74"
(374.40mm)
2.59"
(65.78mm)
110th Driest Driest since: 2018 1919
16th Wettest Wettest since: 2017 1923
Oct 2018–Sep 2019
12-Month
18.61"
(472.69mm)
15.94"
(404.88mm)
2.67"
(67.81mm)
111th Driest Driest since: 2018 1919
15th Wettest Wettest since: 2017 1995
Apr 2018–Sep 2019
18-Month
27.86"
(707.64mm)
25.35"
(643.89mm)
2.51"
(63.75mm)
99th Driest Driest since: 2018 1911
27th Wettest Wettest since: 2017 1945
Oct 2017–Sep 2019
24-Month
34.67"
(880.62mm)
31.88"
(809.75mm)
2.79"
(70.87mm)
100th Driest Driest since: 2016 2002
25th Wettest Wettest since: 2018 1998
Oct 2016–Sep 2019
36-Month
54.51"
(1,384.55mm)
47.81"
(1,214.37mm)
6.70"
(170.18mm)
117th Driest Driest since: 2018 2002
7th Wettest Wettest since: 1999 1997
Oct 2015–Sep 2019
48-Month
70.63"
(1,794.00mm)
63.72"
(1,618.49mm)
6.91"
(175.51mm)
112th Driest Driest since: 2018 2003
11th Wettest Wettest since: 2017 1998
Ties: 1930
Oct 2014–Sep 2019
60-Month
87.36"
(2,218.94mm)
79.56"
(2,020.82mm)
7.80"
(198.12mm)
109th Driest Driest since: 2017 2004
13th Wettest Wettest since: 2018 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 17, 2021 from https://www.ncdc.noaa.gov/cag/