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 2012

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 2012 1-Month	1.11" (28.19mm)	1.20" (30.48mm)	-0.09" (-2.29mm)	57th Driest	Driest since: 2003	1933
	1.11" (28.19mm)	1.20" (30.48mm)	-0.09" (-2.29mm)	72nd Wettest	Wettest since: 2011	1994
	Ties: 2015
Sep–Oct 2012 2-Month	1.57" (39.88mm)	2.44" (61.98mm)	-0.87" (-22.10mm)	19th Driest	Driest since: 1992	1952
	1.57" (39.88mm)	2.44" (61.98mm)	-0.87" (-22.10mm)	110th Wettest	Wettest since: 2011	2013
	Ties: 1944, 1968
Aug–Oct 2012 3-Month	1.83" (46.48mm)	3.51" (89.15mm)	-1.68" (-42.67mm)	8th Driest	Driest since: 1988	1958
Aug–Oct 2012 3-Month	1.83" (46.48mm)	3.51" (89.15mm)	-1.68" (-42.67mm)	121st Wettest	Wettest since: 2011	1923
Jul–Oct 2012 4-Month	2.95" (74.93mm)	4.79" (121.67mm)	-1.84" (-46.74mm)	9th Driest	Driest since: 1988	1964
Jul–Oct 2012 4-Month	2.95" (74.93mm)	4.79" (121.67mm)	-1.84" (-46.74mm)	120th Wettest	Wettest since: 2011	1923
Jun–Oct 2012 5-Month	3.40" (86.36mm)	6.62" (168.15mm)	-3.22" (-81.79mm)	2nd Driest	Driest since: 1988	1988
Jun–Oct 2012 5-Month	3.40" (86.36mm)	6.62" (168.15mm)	-3.22" (-81.79mm)	127th Wettest	Wettest since: 2011	1923
May–Oct 2012 6-Month	4.93" (125.22mm)	8.84" (224.54mm)	-3.91" (-99.32mm)	1st Driest	Driest since: 2012	2012
May–Oct 2012 6-Month	4.93" (125.22mm)	8.84" (224.54mm)	-3.91" (-99.32mm)	128th Wettest	Wettest since: 2011	1923
Apr–Oct 2012 7-Month	6.12" (155.45mm)	10.61" (269.49mm)	-4.49" (-114.04mm)	1st Driest	Driest since: 2012	2012
Apr–Oct 2012 7-Month	6.12" (155.45mm)	10.61" (269.49mm)	-4.49" (-114.04mm)	128th Wettest	Wettest since: 2011	1941
Mar–Oct 2012 8-Month	6.69" (169.93mm)	11.86" (301.24mm)	-5.17" (-131.31mm)	1st Driest	Driest since: 2012	2012
Mar–Oct 2012 8-Month	6.69" (169.93mm)	11.86" (301.24mm)	-5.17" (-131.31mm)	128th Wettest	Wettest since: 2011	1941
Feb–Oct 2012 9-Month	7.98" (202.69mm)	12.83" (325.88mm)	-4.85" (-123.19mm)	1st Driest	Driest since: 2012	2012
Feb–Oct 2012 9-Month	7.98" (202.69mm)	12.83" (325.88mm)	-4.85" (-123.19mm)	128th Wettest	Wettest since: 2011	1941
Jan–Oct 2012 10-Month	8.90" (226.06mm)	13.89" (352.81mm)	-4.99" (-126.75mm)	1st Driest	Driest since: 2012	2012
Jan–Oct 2012 10-Month	8.90" (226.06mm)	13.89" (352.81mm)	-4.99" (-126.75mm)	128th Wettest	Wettest since: 2011	1923
Dec 2011–Oct 2012 11-Month	9.74" (247.40mm)	14.90" (378.46mm)	-5.16" (-131.06mm)	1st Driest	Driest since: 2012	2012
Dec 2011–Oct 2012 11-Month	9.74" (247.40mm)	14.90" (378.46mm)	-5.16" (-131.06mm)	127th Wettest	Wettest since: 2011	1923
Nov 2011–Oct 2012 12-Month	11.10" (281.94mm)	15.94" (404.88mm)	-4.84" (-122.94mm)	3rd Driest	Driest since: 1960	1960
Nov 2011–Oct 2012 12-Month	11.10" (281.94mm)	15.94" (404.88mm)	-4.84" (-122.94mm)	125th Wettest	Wettest since: 2011	1923
May 2011–Oct 2012 18-Month	21.44" (544.58mm)	24.75" (628.65mm)	-3.31" (-84.07mm)	21st Driest	Driest since: 2003	1934
May 2011–Oct 2012 18-Month	21.44" (544.58mm)	24.75" (628.65mm)	-3.31" (-84.07mm)	107th Wettest	Wettest since: 2011	1927
Nov 2010–Oct 2012 24-Month	30.49" (774.45mm)	31.86" (809.24mm)	-1.37" (-34.79mm)	43rd Driest	Driest since: 2007	2002
Nov 2010–Oct 2012 24-Month	30.49" (774.45mm)	31.86" (809.24mm)	-1.37" (-34.79mm)	84th Wettest	Wettest since: 2011	1998
Nov 2009–Oct 2012 36-Month	45.86" (1,164.84mm)	47.81" (1,214.37mm)	-1.95" (-49.53mm)	40th Driest	Driest since: 2008	2002
Nov 2009–Oct 2012 36-Month	45.86" (1,164.84mm)	47.81" (1,214.37mm)	-1.95" (-49.53mm)	86th Wettest	Wettest since: 2011	1947
Nov 2008–Oct 2012 48-Month	63.82" (1,621.03mm)	63.72" (1,618.49mm)	0.10" (2.54mm)	64th Driest	Driest since: 2009	2003
Nov 2008–Oct 2012 48-Month	63.82" (1,621.03mm)	63.72" (1,618.49mm)	0.10" (2.54mm)	61st Wettest	Wettest since: 2011	1998
Nov 2007–Oct 2012 60-Month	79.58" (2,021.33mm)	79.57" (2,021.08mm)	0.01" (0.25mm)	67th Driest	Driest since: 2010	1935
	79.58" (2,021.33mm)	79.57" (2,021.08mm)	0.01" (0.25mm)	57th Wettest	Wettest since: 2011	1999
	Ties: 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings