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


Wyoming

Precipitation Rankings, September 1966

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 1966
1-Month
1.64"
(41.66mm)
1.24"
(31.50mm)
0.40"
(10.16mm)
95th Driest Driest since: 1964 1979
32nd Wettest Wettest since: 1965 1923
Aug–Sep 1966
2-Month
2.80"
(71.12mm)
2.31"
(58.67mm)
0.49"
(12.45mm)
94th Driest Driest since: 1964 2012
33rd Wettest Wettest since: 1965 1923
Jul–Sep 1966
3-Month
3.79"
(96.27mm)
3.59"
(91.19mm)
0.20"
(5.08mm)
78th Driest Driest since: 1964 1964
49th Wettest Wettest since: 1965 1923
Ties: 1978
Jun–Sep 1966
4-Month
5.30"
(134.62mm)
5.43"
(137.92mm)
-0.13"
(-3.30mm)
64th Driest Driest since: 1964 2012
63rd Wettest Wettest since: 1965 1923
May–Sep 1966
5-Month
6.07"
(154.18mm)
7.64"
(194.06mm)
-1.57"
(-39.88mm)
24th Driest Driest since: 1960 1919
103rd Wettest Wettest since: 1965 1915
Apr–Sep 1966
6-Month
7.62"
(193.55mm)
9.42"
(239.27mm)
-1.80"
(-45.72mm)
24th Driest Driest since: 1960 2012
103rd Wettest Wettest since: 1965 1941
Mar–Sep 1966
7-Month
8.44"
(214.38mm)
10.67"
(271.02mm)
-2.23"
(-56.64mm)
22nd Driest Driest since: 1960 2012
105th Wettest Wettest since: 1965 1941
Feb–Sep 1966
8-Month
9.10"
(231.14mm)
11.63"
(295.40mm)
-2.53"
(-64.26mm)
21st Driest Driest since: 1960 2012
106th Wettest Wettest since: 1965 1945
Jan–Sep 1966
9-Month
9.61"
(244.09mm)
12.70"
(322.58mm)
-3.09"
(-78.49mm)
15th Driest Driest since: 1960 1919
112th Wettest Wettest since: 1965 1915, 1945
Dec 1965–Sep 1966
10-Month
10.43"
(264.92mm)
13.71"
(348.23mm)
-3.28"
(-83.31mm)
12th Driest Driest since: 1960 1919
114th Wettest Wettest since: 1965 1923
Nov 1965–Sep 1966
11-Month
11.27"
(286.26mm)
14.74"
(374.40mm)
-3.47"
(-88.14mm)
12th Driest Driest since: 1960 1919
114th Wettest Wettest since: 1965 1923
Oct 1965–Sep 1966
12-Month
11.57"
(293.88mm)
15.94"
(404.88mm)
-4.37"
(-111.00mm)
4th Driest Driest since: 1960 1919
122nd Wettest Wettest since: 1965 1995
Apr 1965–Sep 1966
18-Month
23.57"
(598.68mm)
25.35"
(643.89mm)
-1.78"
(-45.21mm)
42nd Driest Driest since: 1961 1911
84th Wettest Wettest since: 1965 1945
Oct 1964–Sep 1966
24-Month
30.22"
(767.59mm)
31.88"
(809.75mm)
-1.66"
(-42.16mm)
40th Driest Driest since: 1961 2002
85th Wettest Wettest since: 1965 1998
Oct 1963–Sep 1966
36-Month
45.13"
(1,146.30mm)
47.81"
(1,214.37mm)
-2.68"
(-68.07mm)
32nd Driest Driest since: 1962 2002
92nd Wettest Wettest since: 1965 1997
Oct 1962–Sep 1966
48-Month
61.52"
(1,562.61mm)
63.72"
(1,618.49mm)
-2.20"
(-55.88mm)
43rd Driest Driest since: 1963 2003
80th Wettest Wettest since: 1965 1998
Oct 1961–Sep 1966
60-Month
79.20"
(2,011.68mm)
79.56"
(2,020.82mm)
-0.36"
(-9.14mm)
65th Driest Driest since: 1964 2004
57th Wettest Wettest since: 1965 1999

Citing This Page

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