Statewide Rankings

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Month:

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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 2015

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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 2015 1-Month	1.11" (28.19mm)	1.20" (30.48mm)	-0.09" (-2.29mm)	57th Driest	Driest since: 2014	1933
	1.11" (28.19mm)	1.20" (30.48mm)	-0.09" (-2.29mm)	72nd Wettest	Wettest since: 2013	1994
	Ties: 2012
Sep–Oct 2015 2-Month	1.75" (44.45mm)	2.44" (61.98mm)	-0.69" (-17.53mm)	29th Driest	Driest since: 2012	1952
Sep–Oct 2015 2-Month	1.75" (44.45mm)	2.44" (61.98mm)	-0.69" (-17.53mm)	100th Wettest	Wettest since: 2014	2013
Aug–Oct 2015 3-Month	2.66" (67.56mm)	3.51" (89.15mm)	-0.85" (-21.59mm)	32nd Driest	Driest since: 2012	1958
Aug–Oct 2015 3-Month	2.66" (67.56mm)	3.51" (89.15mm)	-0.85" (-21.59mm)	97th Wettest	Wettest since: 2014	1923
Jul–Oct 2015 4-Month	4.19" (106.43mm)	4.79" (121.67mm)	-0.60" (-15.24mm)	50th Driest	Driest since: 2012	1964
	4.19" (106.43mm)	4.79" (121.67mm)	-0.60" (-15.24mm)	79th Wettest	Wettest since: 2014	1923
	Ties: 1959
Jun–Oct 2015 5-Month	6.08" (154.43mm)	6.62" (168.15mm)	-0.54" (-13.72mm)	57th Driest	Driest since: 2012	1988
Jun–Oct 2015 5-Month	6.08" (154.43mm)	6.62" (168.15mm)	-0.54" (-13.72mm)	72nd Wettest	Wettest since: 2014	1923
May–Oct 2015 6-Month	10.67" (271.02mm)	8.84" (224.54mm)	1.83" (46.48mm)	108th Driest	Driest since: 2014	2012
May–Oct 2015 6-Month	10.67" (271.02mm)	8.84" (224.54mm)	1.83" (46.48mm)	21st Wettest	Wettest since: 1998	1923
Apr–Oct 2015 7-Month	12.37" (314.20mm)	10.61" (269.49mm)	1.76" (44.71mm)	105th Driest	Driest since: 2014	2012
	12.37" (314.20mm)	10.61" (269.49mm)	1.76" (44.71mm)	24th Wettest	Wettest since: 2013	1941
	Ties: 2013
Mar–Oct 2015 8-Month	12.95" (328.93mm)	11.86" (301.24mm)	1.09" (27.69mm)	93rd Driest	Driest since: 2014	2012
	12.95" (328.93mm)	11.86" (301.24mm)	1.09" (27.69mm)	36th Wettest	Wettest since: 2013	1941
	Ties: 2016
Feb–Oct 2015 9-Month	13.89" (352.81mm)	12.83" (325.88mm)	1.06" (26.93mm)	90th Driest	Driest since: 2013	2012
Feb–Oct 2015 9-Month	13.89" (352.81mm)	12.83" (325.88mm)	1.06" (26.93mm)	39th Wettest	Wettest since: 2014	1941
Jan–Oct 2015 10-Month	14.51" (368.55mm)	13.89" (352.81mm)	0.62" (15.74mm)	79th Driest	Driest since: 2012	2012
Jan–Oct 2015 10-Month	14.51" (368.55mm)	13.89" (352.81mm)	0.62" (15.74mm)	50th Wettest	Wettest since: 2014	1923
Dec 2014–Oct 2015 11-Month	15.86" (402.84mm)	14.90" (378.46mm)	0.96" (24.38mm)	85th Driest	Driest since: 2013	2012
Dec 2014–Oct 2015 11-Month	15.86" (402.84mm)	14.90" (378.46mm)	0.96" (24.38mm)	43rd Wettest	Wettest since: 2014	1923
Nov 2014–Oct 2015 12-Month	17.27" (438.66mm)	15.94" (404.88mm)	1.33" (33.78mm)	91st Driest	Driest since: 2014	1960
Nov 2014–Oct 2015 12-Month	17.27" (438.66mm)	15.94" (404.88mm)	1.33" (33.78mm)	37th Wettest	Wettest since: 2011	1923
May 2014–Oct 2015 18-Month	26.83" (681.48mm)	24.75" (628.65mm)	2.08" (52.83mm)	91st Driest	Driest since: 2013	1934
May 2014–Oct 2015 18-Month	26.83" (681.48mm)	24.75" (628.65mm)	2.08" (52.83mm)	37th Wettest	Wettest since: 2014	1927
Nov 2013–Oct 2015 24-Month	34.32" (871.73mm)	31.86" (809.24mm)	2.46" (62.49mm)	98th Driest	Driest since: 2014	2002
Nov 2013–Oct 2015 24-Month	34.32" (871.73mm)	31.86" (809.24mm)	2.46" (62.49mm)	29th Wettest	Wettest since: 2011	1998
Nov 2012–Oct 2015 36-Month	50.99" (1,295.15mm)	47.81" (1,214.37mm)	3.18" (80.78mm)	98th Driest	Driest since: 2014	2002
	50.99" (1,295.15mm)	47.81" (1,214.37mm)	3.18" (80.78mm)	28th Wettest	Wettest since: 2011	1947
	Ties: 1923
Nov 2011–Oct 2015 48-Month	62.09" (1,577.09mm)	63.72" (1,618.49mm)	-1.63" (-41.40mm)	51st Driest	Driest since: 2009	2003
Nov 2011–Oct 2015 48-Month	62.09" (1,577.09mm)	63.72" (1,618.49mm)	-1.63" (-41.40mm)	74th Wettest	Wettest since: 2014	1998
Nov 2010–Oct 2015 60-Month	81.48" (2,069.59mm)	79.57" (2,021.08mm)	1.91" (48.51mm)	79th Driest	Driest since: 2014	1935
Nov 2010–Oct 2015 60-Month	81.48" (2,069.59mm)	79.57" (2,021.08mm)	1.91" (48.51mm)	45th Wettest	Wettest since: 2011	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 4, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings