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 2021. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, September 1987

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1987
1-Month
0.63"
(16.00mm)
1.24"
(31.50mm)
-0.61"
(-15.50mm)
24th Driest Driest since: 1979 1979
103rd Wettest Wettest since: 1986 1923
Ties: 2009
Aug–Sep 1987
2-Month
2.02"
(51.31mm)
2.31"
(58.67mm)
-0.29"
(-7.36mm)
56th Driest Driest since: 1981 2012
71st Wettest Wettest since: 1986 1923
Jul–Sep 1987
3-Month
3.99"
(101.35mm)
3.59"
(91.19mm)
0.40"
(10.16mm)
89th Driest Driest since: 1985 1964
38th Wettest Wettest since: 1986 1923
Jun–Sep 1987
4-Month
5.51"
(139.95mm)
5.43"
(137.92mm)
0.08"
(2.03mm)
72nd Driest Driest since: 1985 2012
55th Wettest Wettest since: 1986 1923
May–Sep 1987
5-Month
8.37"
(212.60mm)
7.64"
(194.06mm)
0.73"
(18.54mm)
88th Driest Driest since: 1986 1919
39th Wettest Wettest since: 1982 1915
Apr–Sep 1987
6-Month
8.87"
(225.30mm)
9.42"
(239.27mm)
-0.55"
(-13.97mm)
53rd Driest Driest since: 1985 2012
74th Wettest Wettest since: 1986 1941
Mar–Sep 1987
7-Month
10.14"
(257.56mm)
10.67"
(271.02mm)
-0.53"
(-13.46mm)
50th Driest Driest since: 1985 2012
77th Wettest Wettest since: 1986 1941
Feb–Sep 1987
8-Month
11.20"
(284.48mm)
11.63"
(295.40mm)
-0.43"
(-10.92mm)
52nd Driest Driest since: 1985 2012
75th Wettest Wettest since: 1986 1945
Jan–Sep 1987
9-Month
12.10"
(307.34mm)
12.70"
(322.58mm)
-0.60"
(-15.24mm)
48th Driest Driest since: 1985 1919
79th Wettest Wettest since: 1986 1915, 1945
Dec 1986–Sep 1987
10-Month
12.32"
(312.93mm)
13.71"
(348.23mm)
-1.39"
(-35.30mm)
35th Driest Driest since: 1985 1919
91st Wettest Wettest since: 1986 1923
Nov 1986–Sep 1987
11-Month
13.73"
(348.74mm)
14.74"
(374.40mm)
-1.01"
(-25.66mm)
42nd Driest Driest since: 1985 1919
84th Wettest Wettest since: 1986 1923
Oct 1986–Sep 1987
12-Month
15.52"
(394.21mm)
15.94"
(404.88mm)
-0.42"
(-10.67mm)
55th Driest Driest since: 1985 1919
71st Wettest Wettest since: 1986 1995
Apr 1986–Sep 1987
18-Month
25.95"
(659.13mm)
25.35"
(643.89mm)
0.60"
(15.24mm)
69th Driest Driest since: 1985 1911
57th Wettest Wettest since: 1986 1945
Oct 1985–Sep 1987
24-Month
33.88"
(860.55mm)
31.88"
(809.75mm)
2.00"
(50.80mm)
88th Driest Driest since: 1986 2002
37th Wettest Wettest since: 1984 1998
Oct 1984–Sep 1987
36-Month
46.97"
(1,193.04mm)
47.81"
(1,214.37mm)
-0.84"
(-21.33mm)
52nd Driest Driest since: 1981 2002
72nd Wettest Wettest since: 1986 1997
Ties: 1970
Oct 1983–Sep 1987
48-Month
65.24"
(1,657.10mm)
63.72"
(1,618.49mm)
1.52"
(38.61mm)
77th Driest Driest since: 1982 2003
46th Wettest Wettest since: 1986 1998
Oct 1982–Sep 1987
60-Month
82.38"
(2,092.45mm)
79.56"
(2,020.82mm)
2.82"
(71.63mm)
85th Driest Driest since: 1983 2004
37th Wettest Wettest since: 1986 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 20, 2021 from https://www.ncdc.noaa.gov/cag/