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


Wyoming

Precipitation Rankings, September 2004

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2004
1-Month
1.88"
(47.75mm)
1.24"
(31.50mm)
0.64"
(16.25mm)
107th Driest Driest since: 2003 1979
21st Wettest Wettest since: 1986 1923
Aug–Sep 2004
2-Month
3.00"
(76.20mm)
2.31"
(58.67mm)
0.69"
(17.53mm)
106th Driest Driest since: 2003 2012
22nd Wettest Wettest since: 1997 1923
Jul–Sep 2004
3-Month
4.66"
(118.36mm)
3.59"
(91.19mm)
1.07"
(27.17mm)
110th Driest Driest since: 2003 1964
18th Wettest Wettest since: 1997 1923
Jun–Sep 2004
4-Month
6.32"
(160.53mm)
5.43"
(137.92mm)
0.89"
(22.61mm)
101st Driest Driest since: 2003 2012
27th Wettest Wettest since: 1998 1923
Ties: 1992
May–Sep 2004
5-Month
7.77"
(197.36mm)
7.64"
(194.06mm)
0.13"
(3.30mm)
73rd Driest Driest since: 2003 1919
55th Wettest Wettest since: 1998 1915
Ties: 1961
Apr–Sep 2004
6-Month
9.29"
(235.97mm)
9.42"
(239.27mm)
-0.13"
(-3.30mm)
68th Driest Driest since: 2003 2012
60th Wettest Wettest since: 1999 1941
Mar–Sep 2004
7-Month
9.73"
(247.14mm)
10.67"
(271.02mm)
-0.94"
(-23.88mm)
40th Driest Driest since: 2002 2012
88th Wettest Wettest since: 2003 1941
Feb–Sep 2004
8-Month
10.80"
(274.32mm)
11.63"
(295.40mm)
-0.83"
(-21.08mm)
40th Driest Driest since: 2002 2012
88th Wettest Wettest since: 2003 1945
Jan–Sep 2004
9-Month
11.41"
(289.81mm)
12.70"
(322.58mm)
-1.29"
(-32.77mm)
33rd Driest Driest since: 2002 1919
95th Wettest Wettest since: 2003 1915, 1945
Dec 2003–Sep 2004
10-Month
12.64"
(321.06mm)
13.71"
(348.23mm)
-1.07"
(-27.17mm)
41st Driest Driest since: 2003 1919
86th Wettest Wettest since: 1999 1923
Nov 2003–Sep 2004
11-Month
13.78"
(350.01mm)
14.74"
(374.40mm)
-0.96"
(-24.39mm)
44th Driest Driest since: 2003 1919
83rd Wettest Wettest since: 1999 1923
Oct 2003–Sep 2004
12-Month
14.47"
(367.54mm)
15.94"
(404.88mm)
-1.47"
(-37.34mm)
34th Driest Driest since: 2002 1919
93rd Wettest Wettest since: 2003 1995
Ties: 1914, 2007
Apr 2003–Sep 2004
18-Month
22.56"
(573.02mm)
25.35"
(643.89mm)
-2.79"
(-70.87mm)
27th Driest Driest since: 2003 2021
100th Wettest Wettest since: 2000 1945
Oct 2002–Sep 2004
24-Month
29.12"
(739.65mm)
31.88"
(809.75mm)
-2.76"
(-70.10mm)
30th Driest Driest since: 2003 2002
96th Wettest Wettest since: 2000 1998
Oct 2001–Sep 2004
36-Month
41.30"
(1,049.02mm)
47.81"
(1,214.37mm)
-6.51"
(-165.35mm)
12th Driest Driest since: 2003 2002
113th Wettest Wettest since: 2001 1997
Oct 2000–Sep 2004
48-Month
53.25"
(1,352.55mm)
63.72"
(1,618.49mm)
-10.47"
(-265.94mm)
2nd Driest Driest since: 2003 2003
122nd Wettest Wettest since: 2002 1998
Oct 1999–Sep 2004
60-Month
66.48"
(1,688.59mm)
79.56"
(2,020.82mm)
-13.08"
(-332.23mm)
1st Driest Driest to Date 2004
122nd Wettest Wettest since: 2003 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/