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, December 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
December 2012 1-Month	1.19" (30.23mm)	1.01" (25.65mm)	0.18" (4.58mm)	89th Driest	Driest since: 2011	1986
December 2012 1-Month	1.19" (30.23mm)	1.01" (25.65mm)	0.18" (4.58mm)	40th Wettest	Wettest since: 2010	1964, 1996
Nov–Dec 2012 2-Month	2.06" (52.32mm)	2.05" (52.07mm)	0.01" (0.25mm)	70th Driest	Driest since: 2009	1914
	2.06" (52.32mm)	2.05" (52.07mm)	0.01" (0.25mm)	59th Wettest	Wettest since: 2011	1983
	Ties: 1946
Oct–Dec 2012 3-Month	3.17" (80.52mm)	3.24" (82.30mm)	-0.07" (-1.78mm)	58th Driest	Driest since: 2006	1976
	3.17" (80.52mm)	3.24" (82.30mm)	-0.07" (-1.78mm)	71st Wettest	Wettest since: 2011	1942
	Ties: 1930, 2006
Sep–Dec 2012 4-Month	3.63" (92.20mm)	4.48" (113.79mm)	-0.85" (-21.59mm)	28th Driest	Driest since: 1999	1952
Sep–Dec 2012 4-Month	3.63" (92.20mm)	4.48" (113.79mm)	-0.85" (-21.59mm)	101st Wettest	Wettest since: 2011	2013
Aug–Dec 2012 5-Month	3.89" (98.81mm)	5.55" (140.97mm)	-1.66" (-42.16mm)	12th Driest	Driest since: 1976	1904
Aug–Dec 2012 5-Month	3.89" (98.81mm)	5.55" (140.97mm)	-1.66" (-42.16mm)	117th Wettest	Wettest since: 2011	1923
Jul–Dec 2012 6-Month	5.01" (127.25mm)	6.83" (173.48mm)	-1.82" (-46.23mm)	15th Driest	Driest since: 1988	1939
Jul–Dec 2012 6-Month	5.01" (127.25mm)	6.83" (173.48mm)	-1.82" (-46.23mm)	114th Wettest	Wettest since: 2011	1923
Jun–Dec 2012 7-Month	5.46" (138.68mm)	8.67" (220.22mm)	-3.21" (-81.54mm)	4th Driest	Driest since: 1988	1935
Jun–Dec 2012 7-Month	5.46" (138.68mm)	8.67" (220.22mm)	-3.21" (-81.54mm)	125th Wettest	Wettest since: 2011	1923
May–Dec 2012 8-Month	6.99" (177.55mm)	10.88" (276.35mm)	-3.89" (-98.80mm)	2nd Driest	Driest since: 1900	1900
May–Dec 2012 8-Month	6.99" (177.55mm)	10.88" (276.35mm)	-3.89" (-98.80mm)	127th Wettest	Wettest since: 2011	1923
Apr–Dec 2012 9-Month	8.18" (207.77mm)	12.66" (321.56mm)	-4.48" (-113.79mm)	2nd Driest	Driest since: 1954	1954
Apr–Dec 2012 9-Month	8.18" (207.77mm)	12.66" (321.56mm)	-4.48" (-113.79mm)	127th Wettest	Wettest since: 2011	1941
Mar–Dec 2012 10-Month	8.75" (222.25mm)	13.91" (353.31mm)	-5.16" (-131.06mm)	1st Driest	Driest since: 2012	2012
Mar–Dec 2012 10-Month	8.75" (222.25mm)	13.91" (353.31mm)	-5.16" (-131.06mm)	128th Wettest	Wettest since: 2011	1941
Feb–Dec 2012 11-Month	10.04" (255.02mm)	14.88" (377.95mm)	-4.84" (-122.93mm)	1st Driest	Driest since: 2012	2012
Feb–Dec 2012 11-Month	10.04" (255.02mm)	14.88" (377.95mm)	-4.84" (-122.93mm)	128th Wettest	Wettest since: 2011	1941
Jan–Dec 2012 12-Month	10.96" (278.38mm)	15.94" (404.88mm)	-4.98" (-126.50mm)	1st Driest	Driest since: 2012	2012
Jan–Dec 2012 12-Month	10.96" (278.38mm)	15.94" (404.88mm)	-4.98" (-126.50mm)	128th Wettest	Wettest since: 2011	1927
Jul 2011–Dec 2012 18-Month	17.32" (439.93mm)	22.77" (578.36mm)	-5.45" (-138.43mm)	4th Driest	Driest since: 1960	1934
Jul 2011–Dec 2012 18-Month	17.32" (439.93mm)	22.77" (578.36mm)	-5.45" (-138.43mm)	124th Wettest	Wettest since: 2011	1927
Jan 2011–Dec 2012 24-Month	29.51" (749.55mm)	31.86" (809.24mm)	-2.35" (-59.69mm)	37th Driest	Driest since: 2007	2002
Jan 2011–Dec 2012 24-Month	29.51" (749.55mm)	31.86" (809.24mm)	-2.35" (-59.69mm)	91st Wettest	Wettest since: 2011	1983
Jan 2010–Dec 2012 36-Month	46.76" (1,187.70mm)	47.82" (1,214.63mm)	-1.06" (-26.93mm)	53rd Driest	Driest since: 2008	2002
Jan 2010–Dec 2012 36-Month	46.76" (1,187.70mm)	47.82" (1,214.63mm)	-1.06" (-26.93mm)	74th Wettest	Wettest since: 2011	1947
Jan 2009–Dec 2012 48-Month	63.76" (1,619.50mm)	63.72" (1,618.49mm)	0.04" (1.01mm)	66th Driest	Driest since: 2009	2003
Jan 2009–Dec 2012 48-Month	63.76" (1,619.50mm)	63.72" (1,618.49mm)	0.04" (1.01mm)	60th Wettest	Wettest since: 2011	1998
Jan 2008–Dec 2012 60-Month	79.81" (2,027.17mm)	79.58" (2,021.33mm)	0.23" (5.84mm)	70th Driest	Driest since: 2010	1935
Jan 2008–Dec 2012 60-Month	79.81" (2,027.17mm)	79.58" (2,021.33mm)	0.23" (5.84mm)	55th Wettest	Wettest since: 2011	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings