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 1951

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1951 1-Month	1.80" (45.72mm)	1.20" (30.48mm)	0.60" (15.24mm)	109th Driest	Driest since: 1950	1933
	1.80" (45.72mm)	1.20" (30.48mm)	0.60" (15.24mm)	20th Wettest	Wettest since: 1949	1994
	Ties: 2011
Sep–Oct 1951 2-Month	2.92" (74.17mm)	2.44" (61.98mm)	0.48" (12.19mm)	93rd Driest	Driest since: 1948	1952
Sep–Oct 1951 2-Month	2.92" (74.17mm)	2.44" (61.98mm)	0.48" (12.19mm)	36th Wettest	Wettest since: 1950	2013
Aug–Oct 1951 3-Month	4.43" (112.52mm)	3.51" (89.15mm)	0.92" (23.37mm)	104th Driest	Driest since: 1950	1958
Aug–Oct 1951 3-Month	4.43" (112.52mm)	3.51" (89.15mm)	0.92" (23.37mm)	25th Wettest	Wettest since: 1946	1923
Jul–Oct 1951 4-Month	6.18" (156.97mm)	4.79" (121.67mm)	1.39" (35.30mm)	112th Driest	Driest since: 1950	1964
Jul–Oct 1951 4-Month	6.18" (156.97mm)	4.79" (121.67mm)	1.39" (35.30mm)	17th Wettest	Wettest since: 1946	1923
Jun–Oct 1951 5-Month	8.11" (205.99mm)	6.62" (168.15mm)	1.49" (37.84mm)	109th Driest	Driest since: 1950	1988
Jun–Oct 1951 5-Month	8.11" (205.99mm)	6.62" (168.15mm)	1.49" (37.84mm)	20th Wettest	Wettest since: 1947	1923
May–Oct 1951 6-Month	9.88" (250.95mm)	8.84" (224.54mm)	1.04" (26.41mm)	98th Driest	Driest since: 1950	2012
May–Oct 1951 6-Month	9.88" (250.95mm)	8.84" (224.54mm)	1.04" (26.41mm)	31st Wettest	Wettest since: 1947	1923
Apr–Oct 1951 7-Month	11.32" (287.53mm)	10.61" (269.49mm)	0.71" (18.04mm)	84th Driest	Driest since: 1950	2012
Apr–Oct 1951 7-Month	11.32" (287.53mm)	10.61" (269.49mm)	0.71" (18.04mm)	45th Wettest	Wettest since: 1947	1941
Mar–Oct 1951 8-Month	12.41" (315.21mm)	11.86" (301.24mm)	0.55" (13.97mm)	80th Driest	Driest since: 1950	2012
Mar–Oct 1951 8-Month	12.41" (315.21mm)	11.86" (301.24mm)	0.55" (13.97mm)	49th Wettest	Wettest since: 1947	1941
Feb–Oct 1951 9-Month	13.18" (334.77mm)	12.83" (325.88mm)	0.35" (8.89mm)	77th Driest	Driest since: 1950	2012
Feb–Oct 1951 9-Month	13.18" (334.77mm)	12.83" (325.88mm)	0.35" (8.89mm)	52nd Wettest	Wettest since: 1947	1941
Jan–Oct 1951 10-Month	14.43" (366.52mm)	13.89" (352.81mm)	0.54" (13.71mm)	77th Driest	Driest since: 1950	2012
Jan–Oct 1951 10-Month	14.43" (366.52mm)	13.89" (352.81mm)	0.54" (13.71mm)	52nd Wettest	Wettest since: 1949	1923
Dec 1950–Oct 1951 11-Month	15.06" (382.52mm)	14.90" (378.46mm)	0.16" (4.06mm)	69th Driest	Driest since: 1948	2012
Dec 1950–Oct 1951 11-Month	15.06" (382.52mm)	14.90" (378.46mm)	0.16" (4.06mm)	59th Wettest	Wettest since: 1950	1923
Nov 1950–Oct 1951 12-Month	16.36" (415.54mm)	15.94" (404.88mm)	0.42" (10.66mm)	73rd Driest	Driest since: 1950	1960
Nov 1950–Oct 1951 12-Month	16.36" (415.54mm)	15.94" (404.88mm)	0.42" (10.66mm)	55th Wettest	Wettest since: 1949	1923
May 1950–Oct 1951 18-Month	24.84" (630.94mm)	24.75" (628.65mm)	0.09" (2.29mm)	66th Driest	Driest since: 1944	1934
May 1950–Oct 1951 18-Month	24.84" (630.94mm)	24.75" (628.65mm)	0.09" (2.29mm)	62nd Wettest	Wettest since: 1950	1927
Nov 1949–Oct 1951 24-Month	32.36" (821.94mm)	31.86" (809.24mm)	0.50" (12.70mm)	70th Driest	Driest since: 1940	2002
Nov 1949–Oct 1951 24-Month	32.36" (821.94mm)	31.86" (809.24mm)	0.50" (12.70mm)	57th Wettest	Wettest since: 1950	1998
Nov 1948–Oct 1951 36-Month	50.27" (1,276.86mm)	47.81" (1,214.37mm)	2.46" (62.49mm)	90th Driest	Driest since: 1950	2002
	50.27" (1,276.86mm)	47.81" (1,214.37mm)	2.46" (62.49mm)	36th Wettest	Wettest since: 1949	1947
	Ties: 1938
Nov 1947–Oct 1951 48-Month	65.83" (1,672.08mm)	63.72" (1,618.49mm)	2.11" (53.59mm)	82nd Driest	Driest since: 1942	2003
Nov 1947–Oct 1951 48-Month	65.83" (1,672.08mm)	63.72" (1,618.49mm)	2.11" (53.59mm)	43rd Wettest	Wettest since: 1950	1998
Nov 1946–Oct 1951 60-Month	83.96" (2,132.58mm)	79.57" (2,021.08mm)	4.39" (111.50mm)	97th Driest	Driest since: 1943	1935
Nov 1946–Oct 1951 60-Month	83.96" (2,132.58mm)	79.57" (2,021.08mm)	4.39" (111.50mm)	27th Wettest	Wettest since: 1950	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