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 May 2022. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, September 1947

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1947
1-Month
1.24"
(31.50mm)
1.24"
(31.50mm)
0.00"
(0.00mm)
73rd Driest Driest since: 1944 1979
55th Wettest Wettest since: 1946 1923
Aug–Sep 1947
2-Month
2.50"
(63.50mm)
2.31"
(58.67mm)
0.19"
(4.83mm)
79th Driest Driest since: 1944 2012
49th Wettest Wettest since: 1946 1923
Jul–Sep 1947
3-Month
3.45"
(87.63mm)
3.59"
(91.19mm)
-0.14"
(-3.56mm)
70th Driest Driest since: 1944 1964
58th Wettest Wettest since: 1946 1923
Ties: 1980
Jun–Sep 1947
4-Month
7.42"
(188.47mm)
5.43"
(137.92mm)
1.99"
(50.55mm)
115th Driest Driest since: 1946 2012
13th Wettest Wettest since: 1945 1923
May–Sep 1947
5-Month
10.00"
(254.00mm)
7.64"
(194.06mm)
2.36"
(59.94mm)
118th Driest Driest since: 1946 1919
10th Wettest Wettest since: 1945 1915
Apr–Sep 1947
6-Month
11.88"
(301.75mm)
9.42"
(239.27mm)
2.46"
(62.48mm)
115th Driest Driest since: 1946 2012
13th Wettest Wettest since: 1945 1941
Mar–Sep 1947
7-Month
12.95"
(328.93mm)
10.67"
(271.02mm)
2.28"
(57.91mm)
111th Driest Driest since: 1946 2012
17th Wettest Wettest since: 1945 1941
Feb–Sep 1947
8-Month
13.90"
(353.06mm)
11.63"
(295.40mm)
2.27"
(57.66mm)
113th Driest Driest since: 1946 2012
15th Wettest Wettest since: 1945 1945
Jan–Sep 1947
9-Month
14.74"
(374.40mm)
12.70"
(322.58mm)
2.04"
(51.82mm)
106th Driest Driest since: 1946 1919
22nd Wettest Wettest since: 1945 1915, 1945
Dec 1946–Sep 1947
10-Month
15.81"
(401.57mm)
13.71"
(348.23mm)
2.10"
(53.34mm)
105th Driest Driest since: 1946 1919
22nd Wettest Wettest since: 1945 1923
Ties: 1908, 1973
Nov 1946–Sep 1947
11-Month
16.80"
(426.72mm)
14.74"
(374.40mm)
2.06"
(52.32mm)
106th Driest Driest since: 1946 1919
21st Wettest Wettest since: 1945 1923
Ties: 1984
Oct 1946–Sep 1947
12-Month
19.27"
(489.46mm)
15.94"
(404.88mm)
3.33"
(84.58mm)
119th Driest Driest since: 1946 1919
8th Wettest Wettest since: 1945 1995
Apr 1946–Sep 1947
18-Month
29.24"
(742.70mm)
25.35"
(643.89mm)
3.89"
(98.81mm)
114th Driest Driest since: 1944 2021
13th Wettest Wettest since: 1946 1945
Oct 1945–Sep 1947
24-Month
36.12"
(917.45mm)
31.88"
(809.75mm)
4.24"
(107.70mm)
117th Driest Driest since: 1944 2002
9th Wettest Wettest since: 1946 1998
Oct 1944–Sep 1947
36-Month
55.75"
(1,416.05mm)
47.81"
(1,214.37mm)
7.94"
(201.68mm)
122nd Driest Driest since: 1946 2002
3rd Wettest Wettest to Date 1997
Oct 1943–Sep 1947
48-Month
73.27"
(1,861.06mm)
63.72"
(1,618.49mm)
9.55"
(242.57mm)
122nd Driest Driest since: 1946 2003
2nd Wettest Wettest to Date 1998
Oct 1942–Sep 1947
60-Month
91.15"
(2,315.21mm)
79.56"
(2,020.82mm)
11.59"
(294.39mm)
121st Driest Driest since: 1946 2004
2nd Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 28, 2022 from https://www.ncdc.noaa.gov/cag/