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 1899

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1899 1-Month	0.84" (21.34mm)	1.07" (27.18mm)	-0.23" (-5.84mm)	44th Driest	Driest since: 1898	1944
	0.84" (21.34mm)	1.07" (27.18mm)	-0.23" (-5.84mm)	85th Wettest	Wettest since: 1897	1930
	Ties: 1954, 1964, 2016
Jul–Aug 1899 2-Month	2.05" (52.07mm)	2.35" (59.69mm)	-0.30" (-7.62mm)	55th Driest	Driest since: 1898	2020
	2.05" (52.07mm)	2.35" (59.69mm)	-0.30" (-7.62mm)	74th Wettest	Wettest since: 1897	1930
	Ties: 1961
Jun–Aug 1899 3-Month	4.39" (111.51mm)	4.19" (106.43mm)	0.20" (5.08mm)	81st Driest	Driest since: 1898	1924
Jun–Aug 1899 3-Month	4.39" (111.51mm)	4.19" (106.43mm)	0.20" (5.08mm)	48th Wettest	Wettest to Date	1945
May–Aug 1899 4-Month	6.49" (164.85mm)	6.40" (162.56mm)	0.09" (2.29mm)	71st Driest	Driest since: 1897	1919
May–Aug 1899 4-Month	6.49" (164.85mm)	6.40" (162.56mm)	0.09" (2.29mm)	58th Wettest	Wettest since: 1898	1908
Apr–Aug 1899 5-Month	7.55" (191.77mm)	8.18" (207.77mm)	-0.63" (-16.00mm)	46th Driest	Driest since: 1897	1924
Apr–Aug 1899 5-Month	7.55" (191.77mm)	8.18" (207.77mm)	-0.63" (-16.00mm)	83rd Wettest	Wettest since: 1898	1941
Mar–Aug 1899 6-Month	10.43" (264.92mm)	9.43" (239.52mm)	1.00" (25.40mm)	94th Driest	Driest since: 1898	1919
Mar–Aug 1899 6-Month	10.43" (264.92mm)	9.43" (239.52mm)	1.00" (25.40mm)	35th Wettest	Wettest to Date	1941
Feb–Aug 1899 7-Month	12.72" (323.09mm)	10.39" (263.91mm)	2.33" (59.18mm)	117th Driest	Driest since: 1898	1919
Feb–Aug 1899 7-Month	12.72" (323.09mm)	10.39" (263.91mm)	2.33" (59.18mm)	12th Wettest	Wettest to Date	1941
Jan–Aug 1899 8-Month	14.75" (374.65mm)	11.46" (291.08mm)	3.29" (83.57mm)	128th Driest	Driest since: 1898	1919
Jan–Aug 1899 8-Month	14.75" (374.65mm)	11.46" (291.08mm)	3.29" (83.57mm)	1st Wettest	Wettest to Date	1899
Dec 1898–Aug 1899 9-Month	15.36" (390.14mm)	12.47" (316.74mm)	2.89" (73.40mm)	121st Driest	Driest since: 1898	1919
Dec 1898–Aug 1899 9-Month	15.36" (390.14mm)	12.47" (316.74mm)	2.89" (73.40mm)	7th Wettest	Wettest to Date	1993
Nov 1898–Aug 1899 10-Month	16.30" (414.02mm)	13.50" (342.90mm)	2.80" (71.12mm)	119th Driest	Driest since: 1898	1919
Nov 1898–Aug 1899 10-Month	16.30" (414.02mm)	13.50" (342.90mm)	2.80" (71.12mm)	9th Wettest	Wettest to Date	1945
Oct 1898–Aug 1899 11-Month	17.47" (443.74mm)	14.70" (373.38mm)	2.77" (70.36mm)	117th Driest	Driest since: 1898	1919
	17.47" (443.74mm)	14.70" (373.38mm)	2.77" (70.36mm)	11th Wettest	Wettest to Date	1995
	Ties: 1941
Sep 1898–Aug 1899 12-Month	17.86" (453.64mm)	15.93" (404.62mm)	1.93" (49.02mm)	101st Driest	Driest since: 1898	1934
	17.86" (453.64mm)	15.93" (404.62mm)	1.93" (49.02mm)	27th Wettest	Wettest to Date	1995
	Ties: 1957
Mar 1898–Aug 1899 18-Month	27.43" (696.72mm)	25.36" (644.14mm)	2.07" (52.58mm)	95th Driest	Driest since: 1898	2013
Mar 1898–Aug 1899 18-Month	27.43" (696.72mm)	25.36" (644.14mm)	2.07" (52.58mm)	33rd Wettest	Wettest to Date	1945
Sep 1897–Aug 1899 24-Month	33.43" (849.12mm)	31.86" (809.24mm)	1.57" (39.88mm)	89th Driest	Driest since: 1898	2002
Sep 1897–Aug 1899 24-Month	33.43" (849.12mm)	31.86" (809.24mm)	1.57" (39.88mm)	38th Wettest	Wettest to Date	2015
Sep 1896–Aug 1899 36-Month	47.94" (1,217.68mm)	47.78" (1,213.61mm)	0.16" (4.07mm)	69th Driest	Driest since: 1898	2002
Sep 1896–Aug 1899 36-Month	47.94" (1,217.68mm)	47.78" (1,213.61mm)	0.16" (4.07mm)	57th Wettest	Wettest to Date	1997
Sep 1895–Aug 1899 48-Month	64.61" (1,641.09mm)	63.68" (1,617.47mm)	0.93" (23.62mm)	73rd Driest	Driest since: 1899	2003
Sep 1895–Aug 1899 48-Month	64.61" (1,641.09mm)	63.68" (1,617.47mm)	0.93" (23.62mm)	52nd Wettest	Wettest to Date	1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings