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 July 2020. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, May 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
May 1978
1-Month
4.70"
(119.38mm)
2.21"
(56.13mm)
2.49"
(63.25mm)
125th Driest Driest since: 1977 1936
2nd Wettest Wettest since: 1908 1908
Apr–May 1978
2-Month
6.65"
(168.91mm)
3.99"
(101.35mm)
2.66"
(67.56mm)
124th Driest Driest since: 1977 1936
3rd Wettest Wettest since: 1957 2011
Mar–May 1978
3-Month
7.41"
(188.21mm)
5.24"
(133.10mm)
2.17"
(55.11mm)
120th Driest Driest since: 1977 1919
7th Wettest Wettest since: 1971 2011
Feb–May 1978
4-Month
8.79"
(223.27mm)
6.21"
(157.73mm)
2.58"
(65.54mm)
122nd Driest Driest since: 1977 1966
5th Wettest Wettest since: 1906 2011
Jan–May 1978
5-Month
10.13"
(257.30mm)
7.27"
(184.66mm)
2.86"
(72.64mm)
122nd Driest Driest since: 1977 1919
5th Wettest Wettest since: 1971 2011
Dec 1977–May 1978
6-Month
11.58"
(294.13mm)
8.28"
(210.31mm)
3.30"
(83.82mm)
123rd Driest Driest since: 1977 1919
3rd Wettest Wettest to Date 2011
Nov 1977–May 1978
7-Month
12.80"
(325.12mm)
9.31"
(236.47mm)
3.49"
(88.65mm)
122nd Driest Driest since: 1977 1919
4th Wettest Wettest since: 1971 2011
Oct 1977–May 1978
8-Month
13.73"
(348.74mm)
10.51"
(266.95mm)
3.22"
(81.79mm)
121st Driest Driest since: 1977 1966
5th Wettest Wettest since: 1971 1995
Sep 1977–May 1978
9-Month
14.58"
(370.33mm)
11.75"
(298.45mm)
2.83"
(71.88mm)
117th Driest Driest since: 1977 1934
9th Wettest Wettest since: 1971 2017
Aug 1977–May 1978
10-Month
16.30"
(414.02mm)
12.81"
(325.37mm)
3.49"
(88.65mm)
123rd Driest Driest since: 1977 1934
3rd Wettest Wettest to Date 2017
Jul 1977–May 1978
11-Month
18.23"
(463.04mm)
14.10"
(358.14mm)
4.13"
(104.90mm)
125th Driest Driest since: 1977 1934
1st Wettest Wettest to Date 1978
Jun 1977–May 1978
12-Month
19.29"
(489.97mm)
15.93"
(404.62mm)
3.36"
(85.35mm)
119th Driest Driest since: 1977 1934
7th Wettest Wettest since: 1971 1999
Dec 1976–May 1978
18-Month
25.82"
(655.83mm)
24.21"
(614.93mm)
1.61"
(40.90mm)
88th Driest Driest since: 1977 1961
37th Wettest Wettest since: 1972 1996
Jun 1976–May 1978
24-Month
32.68"
(830.07mm)
31.86"
(809.24mm)
0.82"
(20.83mm)
74th Driest Driest since: 1977 2002
51st Wettest Wettest since: 1975 1999
Jun 1975–May 1978
36-Month
48.57"
(1,233.68mm)
47.75"
(1,212.85mm)
0.82"
(20.83mm)
72nd Driest Driest since: 1977 2003
52nd Wettest Wettest since: 1976 1929
Jun 1974–May 1978
48-Month
63.83"
(1,621.28mm)
63.62"
(1,615.95mm)
0.21"
(5.33mm)
65th Driest Driest since: 1977 2004
58th Wettest Wettest since: 1976 1999
Jun 1973–May 1978
60-Month
81.49"
(2,069.85mm)
79.48"
(2,018.79mm)
2.01"
(51.06mm)
78th Driest Driest since: 1977 2004
44th Wettest Wettest since: 1975 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/