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 2019. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2009
1-Month
0.82"
(20.83mm)
1.01"
(25.65mm)
-0.19"
(-4.82mm)
44th Driest Driest since: 2004 1986
81st Wettest Wettest since: 2008 1964, 1996
Ties: 1965, 1969, 1990
Nov–Dec 2009
2-Month
1.16"
(29.46mm)
2.05"
(52.07mm)
-0.89"
(-22.61mm)
10th Driest Driest since: 1976 1914
115th Wettest Wettest since: 2008 1983
Oct–Dec 2009
3-Month
3.18"
(80.77mm)
3.24"
(82.30mm)
-0.06"
(-1.53mm)
59th Driest Driest since: 2006 1976
66th Wettest Wettest since: 2008 1942
Sep–Dec 2009
4-Month
3.81"
(96.77mm)
4.48"
(113.79mm)
-0.67"
(-17.02mm)
34th Driest Driest since: 2001 1952
91st Wettest Wettest since: 2008 2013
Aug–Dec 2009
5-Month
4.99"
(126.75mm)
5.55"
(140.97mm)
-0.56"
(-14.22mm)
39th Driest Driest since: 2001 1904
86th Wettest Wettest since: 2008 1923
Ties: 2000
Jul–Dec 2009
6-Month
6.44"
(163.58mm)
6.83"
(173.48mm)
-0.39"
(-9.90mm)
53rd Driest Driest since: 2008 1939
72nd Wettest Wettest since: 2007 1923
Jun–Dec 2009
7-Month
9.66"
(245.36mm)
8.67"
(220.22mm)
0.99"
(25.14mm)
95th Driest Driest since: 2008 1935
30th Wettest Wettest since: 1998 1923
May–Dec 2009
8-Month
10.92"
(277.37mm)
10.88"
(276.35mm)
0.04"
(1.02mm)
65th Driest Driest since: 2007 1900
60th Wettest Wettest since: 2008 1923
Ties: 2004
Apr–Dec 2009
9-Month
13.42"
(340.87mm)
12.66"
(321.56mm)
0.76"
(19.31mm)
81st Driest Driest since: 2008 1954
44th Wettest Wettest since: 2005 1941
Mar–Dec 2009
10-Month
15.02"
(381.51mm)
13.91"
(353.31mm)
1.11"
(28.20mm)
89th Driest Driest since: 2008 2012
36th Wettest Wettest since: 1998 1941
Feb–Dec 2009
11-Month
15.66"
(397.76mm)
14.88"
(377.95mm)
0.78"
(19.81mm)
83rd Driest Driest since: 2008 2012
42nd Wettest Wettest since: 1998 1941
Jan–Dec 2009
12-Month
17.00"
(431.80mm)
15.94"
(404.88mm)
1.06"
(26.92mm)
84th Driest Driest since: 2008 2012
41st Wettest Wettest since: 1998 1927
Ties: 1918
Jul 2008–Dec 2009
18-Month
23.35"
(593.09mm)
22.77"
(578.36mm)
0.58"
(14.73mm)
71st Driest Driest since: 2007 1934
53rd Wettest Wettest since: 2008 1927
Jan 2008–Dec 2009
24-Month
33.05"
(839.47mm)
31.87"
(809.50mm)
1.18"
(29.97mm)
79th Driest Driest since: 2008 2002
45th Wettest Wettest since: 1999 1983
Jan 2007–Dec 2009
36-Month
48.10"
(1,221.74mm)
47.82"
(1,214.63mm)
0.28"
(7.11mm)
71st Driest Driest since: 2008 2002
52nd Wettest Wettest since: 2000 1947
Jan 2006–Dec 2009
48-Month
60.84"
(1,545.34mm)
63.72"
(1,618.49mm)
-2.88"
(-73.15mm)
40th Driest Driest since: 2008 2003
82nd Wettest Wettest since: 2001 1998
Jan 2005–Dec 2009
60-Month
77.11"
(1,958.59mm)
79.58"
(2,021.33mm)
-2.47"
(-62.74mm)
45th Driest Driest since: 2008 1935
76th Wettest Wettest since: 2001 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/