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, September 2004

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
September 2004
1-Month		1.88"
(47.75mm)		1.24"
(31.50mm)		0.64"
(16.25mm)		108th Driest
Driest since:
1979
21st Wettest
Wettest since:
1923
Aug–Sep 2004
2-Month		3.00"
(76.20mm)		2.31"
(58.67mm)		0.69"
(17.53mm)		107th Driest
Driest since:
2012
22nd Wettest
Wettest since:
1923
Jul–Sep 2004
3-Month		4.66"
(118.36mm)		3.59"
(91.19mm)		1.07"
(27.17mm)		111th Driest
Driest since:
1964
18th Wettest
Wettest since:
1923
Jun–Sep 2004
4-Month		6.32"
(160.53mm)		5.43"
(137.92mm)		0.89"
(22.61mm)		102nd Driest
Driest since:
2012
27th Wettest
Wettest since:
1923
Ties: 1992
May–Sep 2004
5-Month		7.77"
(197.36mm)		7.64"
(194.06mm)		0.13"
(3.30mm)		74th Driest
Driest since:
1919
55th Wettest
Wettest since:
1915
Ties: 1961
Apr–Sep 2004
6-Month		9.29"
(235.97mm)		9.42"
(239.27mm)		-0.13"
(-3.30mm)		69th Driest
Driest since:
2012
60th Wettest
Wettest since:
1941
Mar–Sep 2004
7-Month		9.73"
(247.14mm)		10.67"
(271.02mm)		-0.94"
(-23.88mm)		40th Driest
Driest since:
2012
89th Wettest
Wettest since:
1941
Feb–Sep 2004
8-Month		10.80"
(274.32mm)		11.63"
(295.40mm)		-0.83"
(-21.08mm)		41st Driest
Driest since:
2012
88th Wettest
Wettest since:
1945
Jan–Sep 2004
9-Month		11.41"
(289.81mm)		12.70"
(322.58mm)		-1.29"
(-32.77mm)		33rd Driest
Driest since:
1919
96th Wettest
Wettest since:
1915, 1945
Dec 2003–Sep 2004
10-Month		12.64"
(321.06mm)		13.71"
(348.23mm)		-1.07"
(-27.17mm)		41st Driest
Driest since:
1919
87th Wettest
Wettest since:
1923
Nov 2003–Sep 2004
11-Month		13.78"
(350.01mm)		14.74"
(374.40mm)		-0.96"
(-24.39mm)		45th Driest
Driest since:
1919
83rd Wettest
Wettest since:
1923
Oct 2003–Sep 2004
12-Month		14.47"
(367.54mm)		15.94"
(404.88mm)		-1.47"
(-37.34mm)		34th Driest
Driest since:
1919
94th Wettest
Wettest since:
1995
Ties: 1914, 2007
Apr 2003–Sep 2004
18-Month		22.56"
(573.02mm)		25.35"
(643.89mm)		-2.79"
(-70.87mm)		28th Driest
Driest since:
2021
100th Wettest
Wettest since:
1945
Oct 2002–Sep 2004
24-Month		29.12"
(739.65mm)		31.88"
(809.75mm)		-2.76"
(-70.10mm)		31st Driest
Driest since:
2002
96th Wettest
Wettest since:
1998
Oct 2001–Sep 2004
36-Month		41.30"
(1,049.02mm)		47.81"
(1,214.37mm)		-6.51"
(-165.35mm)		13th Driest
Driest since:
2002
113th Wettest
Wettest since:
1997
Oct 2000–Sep 2004
48-Month		53.25"
(1,352.55mm)		63.72"
(1,618.49mm)		-10.47"
(-265.94mm)		2nd Driest
Driest since:
2003
123rd Wettest
Wettest since:
1998
Oct 1999–Sep 2004
60-Month		66.48"
(1,688.59mm)		79.56"
(2,020.82mm)		-13.08"
(-332.23mm)		1st Driest
Driest to Date
2004
123rd Wettest
Wettest since:
1999

Citing This Page