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 1966

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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 1966 1-Month	0.98" (24.89mm)	1.01" (25.65mm)	-0.03" (-0.76mm)	64th Driest	Driest since: 1965	1986
December 1966 1-Month	0.98" (24.89mm)	1.01" (25.65mm)	-0.03" (-0.76mm)	65th Wettest	Wettest since: 1964	1964, 1996
Nov–Dec 1966 2-Month	1.84" (46.74mm)	2.05" (52.07mm)	-0.21" (-5.33mm)	49th Driest	Driest since: 1965	1914
	1.84" (46.74mm)	2.05" (52.07mm)	-0.21" (-5.33mm)	80th Wettest	Wettest since: 1964	1983
	Ties: 1913, 1984, 2021
Oct–Dec 1966 3-Month	3.06" (77.72mm)	3.24" (82.30mm)	-0.18" (-4.58mm)	50th Driest	Driest since: 1965	1976
	3.06" (77.72mm)	3.24" (82.30mm)	-0.18" (-4.58mm)	79th Wettest	Wettest since: 1964	1942
	Ties: 2003
Sep–Dec 1966 4-Month	4.70" (119.38mm)	4.48" (113.79mm)	0.22" (5.59mm)	76th Driest	Driest since: 1965	1952
Sep–Dec 1966 4-Month	4.70" (119.38mm)	4.48" (113.79mm)	0.22" (5.59mm)	53rd Wettest	Wettest since: 1961	2013
Aug–Dec 1966 5-Month	5.86" (148.84mm)	5.55" (140.97mm)	0.31" (7.87mm)	80th Driest	Driest since: 1965	1904
	5.86" (148.84mm)	5.55" (140.97mm)	0.31" (7.87mm)	49th Wettest	Wettest since: 1961	1923
	Ties: 2006
Jul–Dec 1966 6-Month	6.85" (173.99mm)	6.83" (173.48mm)	0.02" (0.51mm)	67th Driest	Driest since: 1965	1939
Jul–Dec 1966 6-Month	6.85" (173.99mm)	6.83" (173.48mm)	0.02" (0.51mm)	62nd Wettest	Wettest since: 1961	1923
Jun–Dec 1966 7-Month	8.36" (212.34mm)	8.67" (220.22mm)	-0.31" (-7.88mm)	61st Driest	Driest since: 1962	1935
Jun–Dec 1966 7-Month	8.36" (212.34mm)	8.67" (220.22mm)	-0.31" (-7.88mm)	68th Wettest	Wettest since: 1965	1923
May–Dec 1966 8-Month	9.13" (231.90mm)	10.88" (276.35mm)	-1.75" (-44.45mm)	30th Driest	Driest since: 1960	1900
May–Dec 1966 8-Month	9.13" (231.90mm)	10.88" (276.35mm)	-1.75" (-44.45mm)	99th Wettest	Wettest since: 1965	1923
Apr–Dec 1966 9-Month	10.68" (271.27mm)	12.66" (321.56mm)	-1.98" (-50.29mm)	29th Driest	Driest since: 1960	1954
Apr–Dec 1966 9-Month	10.68" (271.27mm)	12.66" (321.56mm)	-1.98" (-50.29mm)	100th Wettest	Wettest since: 1965	1941
Mar–Dec 1966 10-Month	11.50" (292.10mm)	13.91" (353.31mm)	-2.41" (-61.21mm)	22nd Driest	Driest since: 1960	2012
Mar–Dec 1966 10-Month	11.50" (292.10mm)	13.91" (353.31mm)	-2.41" (-61.21mm)	107th Wettest	Wettest since: 1965	1941
Feb–Dec 1966 11-Month	12.16" (308.86mm)	14.88" (377.95mm)	-2.72" (-69.09mm)	20th Driest	Driest since: 1960	2012
Feb–Dec 1966 11-Month	12.16" (308.86mm)	14.88" (377.95mm)	-2.72" (-69.09mm)	109th Wettest	Wettest since: 1965	1941
Jan–Dec 1966 12-Month	12.67" (321.82mm)	15.94" (404.88mm)	-3.27" (-83.06mm)	15th Driest	Driest since: 1960	2012
	12.67" (321.82mm)	15.94" (404.88mm)	-3.27" (-83.06mm)	114th Wettest	Wettest since: 1965	1927
	Ties: 1931
Jul 1965–Dec 1966 18-Month	19.51" (495.55mm)	22.77" (578.36mm)	-3.26" (-82.81mm)	19th Driest	Driest since: 1960	1934
Jul 1965–Dec 1966 18-Month	19.51" (495.55mm)	22.77" (578.36mm)	-3.26" (-82.81mm)	109th Wettest	Wettest since: 1965	1927
Jan 1965–Dec 1966 24-Month	29.40" (746.76mm)	31.87" (809.50mm)	-2.47" (-62.74mm)	36th Driest	Driest since: 1961	2002
Jan 1965–Dec 1966 24-Month	29.40" (746.76mm)	31.87" (809.50mm)	-2.47" (-62.74mm)	92nd Wettest	Wettest since: 1965	1983
Jan 1964–Dec 1966 36-Month	46.06" (1,169.92mm)	47.82" (1,214.63mm)	-1.76" (-44.71mm)	44th Driest	Driest since: 1962	2002
Jan 1964–Dec 1966 36-Month	46.06" (1,169.92mm)	47.82" (1,214.63mm)	-1.76" (-44.71mm)	83rd Wettest	Wettest since: 1965	1947
Jan 1963–Dec 1966 48-Month	62.53" (1,588.26mm)	63.72" (1,618.49mm)	-1.19" (-30.23mm)	58th Driest	Driest since: 1963	2003
Jan 1963–Dec 1966 48-Month	62.53" (1,588.26mm)	63.72" (1,618.49mm)	-1.19" (-30.23mm)	68th Wettest	Wettest since: 1965	1998
Jan 1962–Dec 1966 60-Month	78.67" (1,998.22mm)	79.58" (2,021.33mm)	-0.91" (-23.11mm)	59th Driest	Driest since: 1964	1935
Jan 1962–Dec 1966 60-Month	78.67" (1,998.22mm)	79.58" (2,021.33mm)	-0.91" (-23.11mm)	66th Wettest	Wettest since: 1965	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings