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, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
December 1999
1-Month
0.78"
(19.81mm)
1.01"
(25.65mm)
-0.23"
(-5.84mm)
36th Driest Driest since: 1993 1986
90th Wettest Wettest since: 1998 1964, 1996
Ties: 1931, 1953, 1957
Nov–Dec 1999
2-Month
1.36"
(34.54mm)
2.05"
(52.07mm)
-0.69"
(-17.53mm)
16th Driest Driest since: 1976 1914
110th Wettest Wettest since: 1998 1983
Oct–Dec 1999
3-Month
1.75"
(44.45mm)
3.24"
(82.30mm)
-1.49"
(-37.85mm)
6th Driest Driest since: 1976 1976
120th Wettest Wettest since: 1998 1942
Sep–Dec 1999
4-Month
3.29"
(83.57mm)
4.48"
(113.79mm)
-1.19"
(-30.22mm)
15th Driest Driest since: 1979 1952
111th Wettest Wettest since: 1998 2013
Aug–Dec 1999
5-Month
4.33"
(109.98mm)
5.55"
(140.97mm)
-1.22"
(-30.99mm)
21st Driest Driest since: 1988 1904
105th Wettest Wettest since: 1998 1923
Jul–Dec 1999
6-Month
5.14"
(130.56mm)
6.83"
(173.48mm)
-1.69"
(-42.92mm)
17th Driest Driest since: 1988 1939
109th Wettest Wettest since: 1998 1923
Jun–Dec 1999
7-Month
7.31"
(185.67mm)
8.67"
(220.22mm)
-1.36"
(-34.55mm)
29th Driest Driest since: 1988 1935
97th Wettest Wettest since: 1998 1923
May–Dec 1999
8-Month
9.49"
(241.05mm)
10.88"
(276.35mm)
-1.39"
(-35.30mm)
38th Driest Driest since: 1988 1900
88th Wettest Wettest since: 1998 1923
Apr–Dec 1999
9-Month
12.80"
(325.12mm)
12.66"
(321.56mm)
0.14"
(3.56mm)
68th Driest Driest since: 1994 1954
58th Wettest Wettest since: 1998 1941
Mar–Dec 1999
10-Month
13.55"
(344.17mm)
13.91"
(353.31mm)
-0.36"
(-9.14mm)
57th Driest Driest since: 1994 2012
69th Wettest Wettest since: 1998 1941
Feb–Dec 1999
11-Month
14.72"
(373.89mm)
14.88"
(377.95mm)
-0.16"
(-4.06mm)
61st Driest Driest since: 1994 2012
65th Wettest Wettest since: 1998 1941
Jan–Dec 1999
12-Month
15.94"
(404.88mm)
15.94"
(404.88mm)
0.00"
(0.00mm)
60th Driest Driest since: 1994 2012
66th Wettest Wettest since: 1998 1927
Jul 1998–Dec 1999
18-Month
25.25"
(641.35mm)
22.77"
(578.36mm)
2.48"
(62.99mm)
99th Driest Driest since: 1996 1934
26th Wettest Wettest since: 1998 1927
Jan 1998–Dec 1999
24-Month
35.51"
(901.95mm)
31.87"
(809.50mm)
3.64"
(92.45mm)
107th Driest Driest since: 1997 2002
18th Wettest Wettest since: 1998 1983
Jan 1997–Dec 1999
36-Month
53.49"
(1,358.65mm)
47.82"
(1,214.63mm)
5.67"
(144.02mm)
113th Driest Driest since: 1996 2002
11th Wettest Wettest since: 1998 1947
Ties: 1908
Jan 1996–Dec 1999
48-Month
70.79"
(1,798.07mm)
63.72"
(1,618.49mm)
7.07"
(179.58mm)
116th Driest Driest since: 1997 2003
7th Wettest Wettest since: 1998 1998
Jan 1995–Dec 1999
60-Month
91.07"
(2,313.18mm)
79.58"
(2,021.33mm)
11.49"
(291.85mm)
121st Driest Driest since: 1998 1935
1st Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 8, 2020 from https://www.ncdc.noaa.gov/cag/