Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Wyoming

Precipitation Rankings, October 2019

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 2019
1-Month		1.19"
(30.23mm)		1.20"
(30.48mm)		-0.01"
(-0.25mm)		67th Driest
Driest since:
1933
62nd Wettest
Wettest since:
1994
Ties: 1980
Sep–Oct 2019
2-Month		3.17"
(80.52mm)		2.44"
(61.98mm)		0.73"
(18.54mm)		103rd Driest
Driest since:
1952
26th Wettest
Wettest since:
2013
Aug–Oct 2019
3-Month		4.18"
(106.17mm)		3.51"
(89.15mm)		0.67"
(17.02mm)		101st Driest
Driest since:
1958
28th Wettest
Wettest since:
1923
Jul–Oct 2019
4-Month		5.49"
(139.45mm)		4.79"
(121.67mm)		0.70"
(17.78mm)		99th Driest
Driest since:
1964
30th Wettest
Wettest since:
1923
Ties: 1993
Jun–Oct 2019
5-Month		7.15"
(181.61mm)		6.62"
(168.15mm)		0.53"
(13.46mm)		92nd Driest
Driest since:
1988
37th Wettest
Wettest since:
1923
May–Oct 2019
6-Month		10.91"
(277.11mm)		8.84"
(224.54mm)		2.07"
(52.57mm)		111th Driest
Driest since:
2012
18th Wettest
Wettest since:
1923
Apr–Oct 2019
7-Month		12.88"
(327.15mm)		10.61"
(269.49mm)		2.27"
(57.66mm)		113th Driest
Driest since:
2012
16th Wettest
Wettest since:
1941
Mar–Oct 2019
8-Month		14.15"
(359.41mm)		11.86"
(301.24mm)		2.29"
(58.17mm)		111th Driest
Driest since:
2012
18th Wettest
Wettest since:
1941
Feb–Oct 2019
9-Month		15.55"
(394.97mm)		12.83"
(325.88mm)		2.72"
(69.09mm)		115th Driest
Driest since:
2012
14th Wettest
Wettest since:
1941
Jan–Oct 2019
10-Month		16.45"
(417.83mm)		13.89"
(352.81mm)		2.56"
(65.02mm)		112th Driest
Driest since:
2012
17th Wettest
Wettest since:
1923
Dec 2018–Oct 2019
11-Month		17.21"
(437.13mm)		14.90"
(378.46mm)		2.31"
(58.67mm)		106th Driest
Driest since:
2012
22nd Wettest
Wettest since:
1923
Nov 2018–Oct 2019
12-Month		18.52"
(470.41mm)		15.94"
(404.88mm)		2.58"
(65.53mm)		111th Driest
Driest since:
1960
17th Wettest
Wettest since:
1923
May 2018–Oct 2019
18-Month		27.61"
(701.29mm)		24.75"
(628.65mm)		2.86"
(72.64mm)		107th Driest
Driest since:
1934
21st Wettest
Wettest since:
1927
Nov 2017–Oct 2019
24-Month		35.07"
(890.78mm)		31.86"
(809.24mm)		3.21"
(81.54mm)		110th Driest
Driest since:
2002
17th Wettest
Wettest since:
1998
Nov 2016–Oct 2019
36-Month		53.89"
(1,368.81mm)		47.81"
(1,214.37mm)		6.08"
(154.44mm)		118th Driest
Driest since:
2002
8th Wettest
Wettest since:
1947
Nov 2015–Oct 2019
48-Month		70.71"
(1,796.03mm)		63.72"
(1,618.49mm)		6.99"
(177.54mm)		118th Driest
Driest since:
2003
7th Wettest
Wettest since:
1998
Nov 2014–Oct 2019
60-Month		87.98"
(2,234.69mm)		79.57"
(2,021.08mm)		8.41"
(213.61mm)		112th Driest
Driest since:
1935
12th Wettest
Wettest since:
1999

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