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 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1977
1-Month
0.85"
(21.59mm)
1.24"
(31.50mm)
-0.39"
(-9.91mm)
42nd Driest Driest since: 1975 1979
85th Wettest Wettest since: 1976 1923
Ties: 2005
Aug–Sep 1977
2-Month
2.57"
(65.28mm)
2.31"
(58.67mm)
0.26"
(6.61mm)
82nd Driest Driest since: 1976 2012
45th Wettest Wettest since: 1973 1923
Jul–Sep 1977
3-Month
4.50"
(114.30mm)
3.59"
(91.19mm)
0.91"
(23.11mm)
105th Driest Driest since: 1976 1964
22nd Wettest Wettest since: 1973 1923
Ties: 1925
Jun–Sep 1977
4-Month
5.56"
(141.22mm)
5.43"
(137.92mm)
0.13"
(3.30mm)
76th Driest Driest since: 1975 2012
51st Wettest Wettest since: 1976 1923
Ties: 1991, 1999
May–Sep 1977
5-Month
7.71"
(195.83mm)
7.64"
(194.06mm)
0.07"
(1.77mm)
68th Driest Driest since: 1976 1919
59th Wettest Wettest since: 1976 1915
Ties: 1976
Apr–Sep 1977
6-Month
9.00"
(228.60mm)
9.42"
(239.27mm)
-0.42"
(-10.67mm)
55th Driest Driest since: 1974 2012
72nd Wettest Wettest since: 1976 1941
Mar–Sep 1977
7-Month
10.54"
(267.72mm)
10.67"
(271.02mm)
-0.13"
(-3.30mm)
62nd Driest Driest since: 1974 2012
65th Wettest Wettest since: 1976 1941
Ties: 1920
Feb–Sep 1977
8-Month
10.93"
(277.62mm)
11.63"
(295.40mm)
-0.70"
(-17.78mm)
43rd Driest Driest since: 1974 2012
84th Wettest Wettest since: 1976 1945
Ties: 1961
Jan–Sep 1977
9-Month
11.75"
(298.45mm)
12.70"
(322.58mm)
-0.95"
(-24.13mm)
39th Driest Driest since: 1974 1919
88th Wettest Wettest since: 1976 1915, 1945
Dec 1976–Sep 1977
10-Month
12.09"
(307.09mm)
13.71"
(348.23mm)
-1.62"
(-41.14mm)
28th Driest Driest since: 1974 1919
98th Wettest Wettest since: 1976 1923
Nov 1976–Sep 1977
11-Month
12.47"
(316.74mm)
14.74"
(374.40mm)
-2.27"
(-57.66mm)
22nd Driest Driest since: 1966 1919
104th Wettest Wettest since: 1976 1923
Oct 1976–Sep 1977
12-Month
13.21"
(335.53mm)
15.94"
(404.88mm)
-2.73"
(-69.35mm)
20th Driest Driest since: 1966 1919
106th Wettest Wettest since: 1976 1995
Apr 1976–Sep 1977
18-Month
23.16"
(588.26mm)
25.35"
(643.89mm)
-2.19"
(-55.63mm)
34th Driest Driest since: 1975 1911
92nd Wettest Wettest since: 1976 1945
Oct 1975–Sep 1977
24-Month
30.29"
(769.37mm)
31.88"
(809.75mm)
-1.59"
(-40.38mm)
41st Driest Driest since: 1975 2002
84th Wettest Wettest since: 1976 1998
Oct 1974–Sep 1977
36-Month
46.33"
(1,176.78mm)
47.81"
(1,214.37mm)
-1.48"
(-37.59mm)
43rd Driest Driest since: 1966 2002
81st Wettest Wettest since: 1976 1997
Oct 1973–Sep 1977
48-Month
60.08"
(1,526.03mm)
63.72"
(1,618.49mm)
-3.64"
(-92.46mm)
34th Driest Driest since: 1963 2003
89th Wettest Wettest since: 1976 1998
Oct 1972–Sep 1977
60-Month
78.57"
(1,995.68mm)
79.56"
(2,020.82mm)
-0.99"
(-25.14mm)
57th Driest Driest since: 1970 2004
65th Wettest Wettest since: 1976 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 14, 2021 from https://www.ncdc.noaa.gov/cag/