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 1978

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 1978
1-Month
1.20"
(30.48mm)
1.24"
(31.50mm)
-0.04"
(-1.02mm)
70th Driest Driest since: 1977 1979
57th Wettest Wettest since: 1973 1923
Aug–Sep 1978
2-Month
2.33"
(59.18mm)
2.31"
(58.67mm)
0.02"
(0.51mm)
73rd Driest Driest since: 1976 2012
54th Wettest Wettest since: 1977 1923
Jul–Sep 1978
3-Month
3.79"
(96.27mm)
3.59"
(91.19mm)
0.20"
(5.08mm)
78th Driest Driest since: 1976 1964
49th Wettest Wettest since: 1977 1923
Ties: 1966
Jun–Sep 1978
4-Month
4.67"
(118.62mm)
5.43"
(137.92mm)
-0.76"
(-19.30mm)
48th Driest Driest since: 1975 2012
79th Wettest Wettest since: 1977 1923
May–Sep 1978
5-Month
9.37"
(238.00mm)
7.64"
(194.06mm)
1.73"
(43.94mm)
107th Driest Driest since: 1977 1919
20th Wettest Wettest since: 1968 1915
Apr–Sep 1978
6-Month
11.32"
(287.53mm)
9.42"
(239.27mm)
1.90"
(48.26mm)
108th Driest Driest since: 1977 2012
19th Wettest Wettest since: 1973 1941
Mar–Sep 1978
7-Month
12.08"
(306.83mm)
10.67"
(271.02mm)
1.41"
(35.81mm)
99th Driest Driest since: 1977 2012
28th Wettest Wettest since: 1973 1941
Ties: 1983
Feb–Sep 1978
8-Month
13.46"
(341.88mm)
11.63"
(295.40mm)
1.83"
(46.48mm)
103rd Driest Driest since: 1977 2012
24th Wettest Wettest since: 1973 1945
Jan–Sep 1978
9-Month
14.80"
(375.92mm)
12.70"
(322.58mm)
2.10"
(53.34mm)
108th Driest Driest since: 1977 1919
19th Wettest Wettest since: 1967 1915, 1945
Dec 1977–Sep 1978
10-Month
16.25"
(412.75mm)
13.71"
(348.23mm)
2.54"
(64.52mm)
112th Driest Driest since: 1977 1919
14th Wettest Wettest since: 1967 1923
Nov 1977–Sep 1978
11-Month
17.47"
(443.74mm)
14.74"
(374.40mm)
2.73"
(69.34mm)
112th Driest Driest since: 1977 1919
14th Wettest Wettest since: 1965 1923
Oct 1977–Sep 1978
12-Month
18.40"
(467.36mm)
15.94"
(404.88mm)
2.46"
(62.48mm)
105th Driest Driest since: 1977 1919
21st Wettest Wettest since: 1973 1995
Apr 1977–Sep 1978
18-Month
27.40"
(695.96mm)
25.35"
(643.89mm)
2.05"
(52.07mm)
92nd Driest Driest since: 1977 1911
34th Wettest Wettest since: 1973 1945
Oct 1976–Sep 1978
24-Month
31.61"
(802.89mm)
31.88"
(809.75mm)
-0.27"
(-6.86mm)
57th Driest Driest since: 1977 2002
68th Wettest Wettest since: 1976 1998
Oct 1975–Sep 1978
36-Month
48.69"
(1,236.73mm)
47.81"
(1,214.37mm)
0.88"
(22.36mm)
76th Driest Driest since: 1977 2002
48th Wettest Wettest since: 1974 1997
Oct 1974–Sep 1978
48-Month
64.73"
(1,644.14mm)
63.72"
(1,618.49mm)
1.01"
(25.65mm)
73rd Driest Driest since: 1977 2003
50th Wettest Wettest since: 1976 1998
Oct 1973–Sep 1978
60-Month
78.48"
(1,993.39mm)
79.56"
(2,020.82mm)
-1.08"
(-27.43mm)
55th Driest Driest since: 1970 2004
67th Wettest Wettest since: 1977 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/