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, October 1990

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1990 1-Month	1.14" (28.96mm)	1.20" (30.48mm)	-0.06" (-1.52mm)	61st Driest	Driest since: 1989	1933
	1.14" (28.96mm)	1.20" (30.48mm)	-0.06" (-1.52mm)	68th Wettest	Wettest since: 1986	1994
	Ties: 1960
Sep–Oct 1990 2-Month	2.19" (55.63mm)	2.44" (61.98mm)	-0.25" (-6.35mm)	52nd Driest	Driest since: 1988	1952
Sep–Oct 1990 2-Month	2.19" (55.63mm)	2.44" (61.98mm)	-0.25" (-6.35mm)	77th Wettest	Wettest since: 1989	2013
Aug–Oct 1990 3-Month	3.31" (84.07mm)	3.51" (89.15mm)	-0.20" (-5.08mm)	58th Driest	Driest since: 1988	1958
Aug–Oct 1990 3-Month	3.31" (84.07mm)	3.51" (89.15mm)	-0.20" (-5.08mm)	71st Wettest	Wettest since: 1989	1923
Jul–Oct 1990 4-Month	5.21" (132.33mm)	4.79" (121.67mm)	0.42" (10.66mm)	90th Driest	Driest since: 1989	1964
Jul–Oct 1990 4-Month	5.21" (132.33mm)	4.79" (121.67mm)	0.42" (10.66mm)	39th Wettest	Wettest since: 1986	1923
Jun–Oct 1990 5-Month	6.40" (162.56mm)	6.62" (168.15mm)	-0.22" (-5.59mm)	68th Driest	Driest since: 1988	1988
	6.40" (162.56mm)	6.62" (168.15mm)	-0.22" (-5.59mm)	61st Wettest	Wettest since: 1989	1923
	Ties: 1948, 1971
May–Oct 1990 6-Month	8.17" (207.52mm)	8.84" (224.54mm)	-0.67" (-17.02mm)	53rd Driest	Driest since: 1988	2012
May–Oct 1990 6-Month	8.17" (207.52mm)	8.84" (224.54mm)	-0.67" (-17.02mm)	76th Wettest	Wettest since: 1989	1923
Apr–Oct 1990 7-Month	10.22" (259.59mm)	10.61" (269.49mm)	-0.39" (-9.90mm)	61st Driest	Driest since: 1989	2012
Apr–Oct 1990 7-Month	10.22" (259.59mm)	10.61" (269.49mm)	-0.39" (-9.90mm)	68th Wettest	Wettest since: 1986	1941
Mar–Oct 1990 8-Month	11.66" (296.16mm)	11.86" (301.24mm)	-0.20" (-5.08mm)	63rd Driest	Driest since: 1989	2012
Mar–Oct 1990 8-Month	11.66" (296.16mm)	11.86" (301.24mm)	-0.20" (-5.08mm)	66th Wettest	Wettest since: 1986	1941
Feb–Oct 1990 9-Month	12.35" (313.69mm)	12.83" (325.88mm)	-0.48" (-12.19mm)	55th Driest	Driest since: 1988	2012
Feb–Oct 1990 9-Month	12.35" (313.69mm)	12.83" (325.88mm)	-0.48" (-12.19mm)	74th Wettest	Wettest since: 1989	1941
Jan–Oct 1990 10-Month	13.33" (338.58mm)	13.89" (352.81mm)	-0.56" (-14.23mm)	53rd Driest	Driest since: 1989	2012
	13.33" (338.58mm)	13.89" (352.81mm)	-0.56" (-14.23mm)	76th Wettest	Wettest since: 1989	1923
	Ties: 1989
Dec 1989–Oct 1990 11-Month	14.22" (361.19mm)	14.90" (378.46mm)	-0.68" (-17.27mm)	51st Driest	Driest since: 1989	2012
Dec 1989–Oct 1990 11-Month	14.22" (361.19mm)	14.90" (378.46mm)	-0.68" (-17.27mm)	77th Wettest	Wettest since: 1986	1923
Nov 1989–Oct 1990 12-Month	15.02" (381.51mm)	15.94" (404.88mm)	-0.92" (-23.37mm)	47th Driest	Driest since: 1988	1960
Nov 1989–Oct 1990 12-Month	15.02" (381.51mm)	15.94" (404.88mm)	-0.92" (-23.37mm)	81st Wettest	Wettest since: 1989	1923
May 1989–Oct 1990 18-Month	23.63" (600.20mm)	24.75" (628.65mm)	-1.12" (-28.45mm)	51st Driest	Driest since: 1989	1934
May 1989–Oct 1990 18-Month	23.63" (600.20mm)	24.75" (628.65mm)	-1.12" (-28.45mm)	77th Wettest	Wettest since: 1987	1927
Nov 1988–Oct 1990 24-Month	30.52" (775.21mm)	31.86" (809.24mm)	-1.34" (-34.03mm)	44th Driest	Driest since: 1989	2002
Nov 1988–Oct 1990 24-Month	30.52" (775.21mm)	31.86" (809.24mm)	-1.34" (-34.03mm)	83rd Wettest	Wettest since: 1987	1998
Nov 1987–Oct 1990 36-Month	42.03" (1,067.56mm)	47.81" (1,214.37mm)	-5.78" (-146.81mm)	17th Driest	Driest since: 1989	2002
Nov 1987–Oct 1990 36-Month	42.03" (1,067.56mm)	47.81" (1,214.37mm)	-5.78" (-146.81mm)	109th Wettest	Wettest since: 1988	1947
Nov 1986–Oct 1990 48-Month	56.26" (1,429.00mm)	63.72" (1,618.49mm)	-7.46" (-189.49mm)	11th Driest	Driest since: 1961	2003
Nov 1986–Oct 1990 48-Month	56.26" (1,429.00mm)	63.72" (1,618.49mm)	-7.46" (-189.49mm)	114th Wettest	Wettest since: 1989	1998
Nov 1985–Oct 1990 60-Month	75.41" (1,915.41mm)	79.57" (2,021.08mm)	-4.16" (-105.67mm)	35th Driest	Driest since: 1989	1935
Nov 1985–Oct 1990 60-Month	75.41" (1,915.41mm)	79.57" (2,021.08mm)	-4.16" (-105.67mm)	89th Wettest	Wettest since: 1988	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings