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


Wyoming

Precipitation Rankings, August 1999

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
August 1999
1-Month
1.04"
(26.42mm)
1.07"
(27.18mm)
-0.03"
(-0.76mm)
73rd Driest Driest since: 1996 1944
54th Wettest Wettest since: 1998 1930
Ties: 1955
Jul–Aug 1999
2-Month
1.85"
(46.99mm)
2.35"
(59.69mm)
-0.50"
(-12.70mm)
35th Driest Driest since: 1996 2020
92nd Wettest Wettest since: 1998 1930
Ties: 1954
Jun–Aug 1999
3-Month
4.02"
(102.11mm)
4.19"
(106.43mm)
-0.17"
(-4.32mm)
62nd Driest Driest since: 1996 1924
65th Wettest Wettest since: 1998 1945
May–Aug 1999
4-Month
6.20"
(157.48mm)
6.40"
(162.56mm)
-0.20"
(-5.08mm)
58th Driest Driest since: 1996 1919
69th Wettest Wettest since: 1998 1908
Apr–Aug 1999
5-Month
9.51"
(241.55mm)
8.18"
(207.77mm)
1.33"
(33.78mm)
100th Driest Driest since: 1998 1924
27th Wettest Wettest since: 1997 1941
Ties: 1964
Mar–Aug 1999
6-Month
10.26"
(260.60mm)
9.43"
(239.52mm)
0.83"
(21.08mm)
85th Driest Driest since: 1996 1919
42nd Wettest Wettest since: 1998 1941
Feb–Aug 1999
7-Month
11.43"
(290.32mm)
10.39"
(263.91mm)
1.04"
(26.41mm)
90th Driest Driest since: 1996 1919
37th Wettest Wettest since: 1998 1941
Jan–Aug 1999
8-Month
12.65"
(321.31mm)
11.46"
(291.08mm)
1.19"
(30.23mm)
93rd Driest Driest since: 1996 1919
34th Wettest Wettest since: 1998 1899
Dec 1998–Aug 1999
9-Month
13.49"
(342.65mm)
12.47"
(316.74mm)
1.02"
(25.91mm)
86th Driest Driest since: 1996 1919
40th Wettest Wettest since: 1998 1993
Nov 1998–Aug 1999
10-Month
14.70"
(373.38mm)
13.50"
(342.90mm)
1.20"
(30.48mm)
85th Driest Driest since: 1996 1919
41st Wettest Wettest since: 1998 1945
Oct 1998–Aug 1999
11-Month
17.51"
(444.75mm)
14.70"
(373.38mm)
2.81"
(71.37mm)
117th Driest Driest since: 1998 1919
9th Wettest Wettest since: 1997 1995
Sep 1998–Aug 1999
12-Month
18.85"
(478.79mm)
15.93"
(404.62mm)
2.92"
(74.17mm)
116th Driest Driest since: 1998 1934
10th Wettest Wettest since: 1997 1995
Mar 1998–Aug 1999
18-Month
29.91"
(759.71mm)
25.36"
(644.14mm)
4.55"
(115.57mm)
122nd Driest Driest since: 1998 2013
4th Wettest Wettest since: 1983 1945
Ties: 1983
Sep 1997–Aug 1999
24-Month
36.76"
(933.70mm)
31.86"
(809.24mm)
4.90"
(124.46mm)
118th Driest Driest since: 1997 2002
7th Wettest Wettest since: 1998 2015
Ties: 1968
Sep 1996–Aug 1999
36-Month
56.51"
(1,435.35mm)
47.78"
(1,213.61mm)
8.73"
(221.74mm)
122nd Driest Driest since: 1998 2002
2nd Wettest Wettest since: 1997 1997
Sep 1995–Aug 1999
48-Month
73.12"
(1,857.25mm)
63.68"
(1,617.47mm)
9.44"
(239.78mm)
121st Driest Driest since: 1997 2003
2nd Wettest Wettest since: 1998 1998
Sep 1994–Aug 1999
60-Month
93.52"
(2,375.41mm)
79.53"
(2,020.06mm)
13.99"
(355.35mm)
121st Driest Driest since: 1998 2004
1st Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 19, 2020 from https://www.ncdc.noaa.gov/cag/