Statewide Rankings

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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, August 1901

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1901 1-Month	1.20" (30.48mm)	1.07" (27.18mm)	0.13" (3.30mm)	91st Driest	Driest since: 1900	1944
August 1901 1-Month	1.20" (30.48mm)	1.07" (27.18mm)	0.13" (3.30mm)	38th Wettest	Wettest to Date	1930
Jul–Aug 1901 2-Month	2.07" (52.58mm)	2.35" (59.69mm)	-0.28" (-7.11mm)	57th Driest	Driest since: 1900	2020
	2.07" (52.58mm)	2.35" (59.69mm)	-0.28" (-7.11mm)	72nd Wettest	Wettest since: 1897	1930
	Ties: 1897, 2005
Jun–Aug 1901 3-Month	4.04" (102.62mm)	4.19" (106.43mm)	-0.15" (-3.81mm)	66th Driest	Driest since: 1900	1924
	4.04" (102.62mm)	4.19" (106.43mm)	-0.15" (-3.81mm)	63rd Wettest	Wettest since: 1899	1945
	Ties: 1921
May–Aug 1901 4-Month	6.65" (168.91mm)	6.40" (162.56mm)	0.25" (6.35mm)	75th Driest	Driest since: 1900	1919
	6.65" (168.91mm)	6.40" (162.56mm)	0.25" (6.35mm)	54th Wettest	Wettest since: 1898	1908
	Ties: 1976
Apr–Aug 1901 5-Month	8.47" (215.14mm)	8.18" (207.77mm)	0.29" (7.37mm)	80th Driest	Driest since: 1900	1924
Apr–Aug 1901 5-Month	8.47" (215.14mm)	8.18" (207.77mm)	0.29" (7.37mm)	49th Wettest	Wettest to Date	1941
Mar–Aug 1901 6-Month	9.64" (244.86mm)	9.43" (239.52mm)	0.21" (5.34mm)	70th Driest	Driest since: 1900	1919
Mar–Aug 1901 6-Month	9.64" (244.86mm)	9.43" (239.52mm)	0.21" (5.34mm)	59th Wettest	Wettest since: 1899	1941
Feb–Aug 1901 7-Month	10.99" (279.15mm)	10.39" (263.91mm)	0.60" (15.24mm)	82nd Driest	Driest since: 1900	1919
	10.99" (279.15mm)	10.39" (263.91mm)	0.60" (15.24mm)	47th Wettest	Wettest since: 1899	1941
	Ties: 1925
Jan–Aug 1901 8-Month	11.73" (297.94mm)	11.46" (291.08mm)	0.27" (6.86mm)	69th Driest	Driest since: 1900	1919
Jan–Aug 1901 8-Month	11.73" (297.94mm)	11.46" (291.08mm)	0.27" (6.86mm)	60th Wettest	Wettest since: 1899	1899
Dec 1900–Aug 1901 9-Month	12.40" (314.96mm)	12.47" (316.74mm)	-0.07" (-1.78mm)	59th Driest	Driest since: 1900	1919
Dec 1900–Aug 1901 9-Month	12.40" (314.96mm)	12.47" (316.74mm)	-0.07" (-1.78mm)	69th Wettest	Wettest since: 1899	1993
Nov 1900–Aug 1901 10-Month	13.30" (337.82mm)	13.50" (342.90mm)	-0.20" (-5.08mm)	58th Driest	Driest since: 1900	1919
Nov 1900–Aug 1901 10-Month	13.30" (337.82mm)	13.50" (342.90mm)	-0.20" (-5.08mm)	70th Wettest	Wettest since: 1899	1945
Oct 1900–Aug 1901 11-Month	14.35" (364.49mm)	14.70" (373.38mm)	-0.35" (-8.89mm)	54th Driest	Driest since: 1900	1919
Oct 1900–Aug 1901 11-Month	14.35" (364.49mm)	14.70" (373.38mm)	-0.35" (-8.89mm)	74th Wettest	Wettest since: 1899	1995
Sep 1900–Aug 1901 12-Month	15.51" (393.95mm)	15.93" (404.62mm)	-0.42" (-10.67mm)	54th Driest	Driest since: 1900	1934
Sep 1900–Aug 1901 12-Month	15.51" (393.95mm)	15.93" (404.62mm)	-0.42" (-10.67mm)	74th Wettest	Wettest since: 1899	1995
Mar 1900–Aug 1901 18-Month	23.36" (593.34mm)	25.36" (644.14mm)	-2.00" (-50.80mm)	36th Driest	Driest since: 1898	2013
Mar 1900–Aug 1901 18-Month	23.36" (593.34mm)	25.36" (644.14mm)	-2.00" (-50.80mm)	92nd Wettest	Wettest since: 1900	1945
Sep 1899–Aug 1901 24-Month	28.58" (725.93mm)	31.86" (809.24mm)	-3.28" (-83.31mm)	24th Driest	Driest since: 1901	2002
Sep 1899–Aug 1901 24-Month	28.58" (725.93mm)	31.86" (809.24mm)	-3.28" (-83.31mm)	103rd Wettest	Wettest since: 1900	2015
Sep 1898–Aug 1901 36-Month	46.44" (1,179.58mm)	47.78" (1,213.61mm)	-1.34" (-34.03mm)	45th Driest	Driest since: 1901	2002
Sep 1898–Aug 1901 36-Month	46.44" (1,179.58mm)	47.78" (1,213.61mm)	-1.34" (-34.03mm)	81st Wettest	Wettest since: 1900	1997
Sep 1897–Aug 1901 48-Month	62.01" (1,575.05mm)	63.68" (1,617.47mm)	-1.67" (-42.42mm)	51st Driest	Driest since: 1900	2003
Sep 1897–Aug 1901 48-Month	62.01" (1,575.05mm)	63.68" (1,617.47mm)	-1.67" (-42.42mm)	74th Wettest	Wettest since: 1899	1998
Sep 1896–Aug 1901 60-Month	76.52" (1,943.61mm)	79.53" (2,020.06mm)	-3.01" (-76.45mm)	42nd Driest	Driest since: 1901	2004
Sep 1896–Aug 1901 60-Month	76.52" (1,943.61mm)	79.53" (2,020.06mm)	-3.01" (-76.45mm)	82nd Wettest	Wettest since: 1900	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings