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, September 1980

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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
September 1980 1-Month	1.02" (25.91mm)	1.24" (31.50mm)	-0.22" (-5.59mm)	56th Driest	Driest since: 1979	1979
	1.02" (25.91mm)	1.24" (31.50mm)	-0.22" (-5.59mm)	73rd Wettest	Wettest since: 1978	1923
	Ties: 1930
Aug–Sep 1980 2-Month	2.58" (65.53mm)	2.31" (58.67mm)	0.27" (6.86mm)	85th Driest	Driest since: 1979	2012
	2.58" (65.53mm)	2.31" (58.67mm)	0.27" (6.86mm)	44th Wettest	Wettest since: 1973	1923
	Ties: 1999
Jul–Sep 1980 3-Month	3.45" (87.63mm)	3.59" (91.19mm)	-0.14" (-3.56mm)	70th Driest	Driest since: 1979	1964
	3.45" (87.63mm)	3.59" (91.19mm)	-0.14" (-3.56mm)	59th Wettest	Wettest since: 1978	1923
	Ties: 1947
Jun–Sep 1980 4-Month	4.32" (109.73mm)	5.43" (137.92mm)	-1.11" (-28.19mm)	38th Driest	Driest since: 1974	2012
Jun–Sep 1980 4-Month	4.32" (109.73mm)	5.43" (137.92mm)	-1.11" (-28.19mm)	91st Wettest	Wettest since: 1979	1923
May–Sep 1980 5-Month	7.69" (195.33mm)	7.64" (194.06mm)	0.05" (1.27mm)	68th Driest	Driest since: 1979	1919
May–Sep 1980 5-Month	7.69" (195.33mm)	7.64" (194.06mm)	0.05" (1.27mm)	61st Wettest	Wettest since: 1978	1915
Apr–Sep 1980 6-Month	8.61" (218.69mm)	9.42" (239.27mm)	-0.81" (-20.58mm)	47th Driest	Driest since: 1979	2012
Apr–Sep 1980 6-Month	8.61" (218.69mm)	9.42" (239.27mm)	-0.81" (-20.58mm)	82nd Wettest	Wettest since: 1978	1941
Mar–Sep 1980 7-Month	10.20" (259.08mm)	10.67" (271.02mm)	-0.47" (-11.94mm)	55th Driest	Driest since: 1979	2012
Mar–Sep 1980 7-Month	10.20" (259.08mm)	10.67" (271.02mm)	-0.47" (-11.94mm)	74th Wettest	Wettest since: 1978	1941
Feb–Sep 1980 8-Month	11.09" (281.69mm)	11.63" (295.40mm)	-0.54" (-13.71mm)	51st Driest	Driest since: 1979	2012
	11.09" (281.69mm)	11.63" (295.40mm)	-0.54" (-13.71mm)	78th Wettest	Wettest since: 1978	1945
	Ties: 1955
Jan–Sep 1980 9-Month	13.13" (333.50mm)	12.70" (322.58mm)	0.43" (10.92mm)	76th Driest	Driest since: 1979	1919
Jan–Sep 1980 9-Month	13.13" (333.50mm)	12.70" (322.58mm)	0.43" (10.92mm)	53rd Wettest	Wettest since: 1978	1915, 1945
Dec 1979–Sep 1980 10-Month	13.65" (346.71mm)	13.71" (348.23mm)	-0.06" (-1.52mm)	65th Driest	Driest since: 1979	1919
Dec 1979–Sep 1980 10-Month	13.65" (346.71mm)	13.71" (348.23mm)	-0.06" (-1.52mm)	63rd Wettest	Wettest since: 1978	1923
Nov 1979–Sep 1980 11-Month	14.55" (369.57mm)	14.74" (374.40mm)	-0.19" (-4.83mm)	64th Driest	Driest since: 1979	1919
Nov 1979–Sep 1980 11-Month	14.55" (369.57mm)	14.74" (374.40mm)	-0.19" (-4.83mm)	64th Wettest	Wettest since: 1978	1923
Oct 1979–Sep 1980 12-Month	15.71" (399.03mm)	15.94" (404.88mm)	-0.23" (-5.85mm)	61st Driest	Driest since: 1979	1919
Oct 1979–Sep 1980 12-Month	15.71" (399.03mm)	15.94" (404.88mm)	-0.23" (-5.85mm)	67th Wettest	Wettest since: 1978	1995
Apr 1979–Sep 1980 18-Month	22.94" (582.68mm)	25.35" (643.89mm)	-2.41" (-61.21mm)	32nd Driest	Driest since: 1975	2021
	22.94" (582.68mm)	25.35" (643.89mm)	-2.41" (-61.21mm)	96th Wettest	Wettest since: 1979	1945
	Ties: 1975
Oct 1978–Sep 1980 24-Month	29.37" (746.00mm)	31.88" (809.75mm)	-2.51" (-63.75mm)	32nd Driest	Driest since: 1961	2002
Oct 1978–Sep 1980 24-Month	29.37" (746.00mm)	31.88" (809.75mm)	-2.51" (-63.75mm)	95th Wettest	Wettest since: 1979	1998
Oct 1977–Sep 1980 36-Month	47.77" (1,213.36mm)	47.81" (1,214.37mm)	-0.04" (-1.01mm)	67th Driest	Driest since: 1979	2002
Oct 1977–Sep 1980 36-Month	47.77" (1,213.36mm)	47.81" (1,214.37mm)	-0.04" (-1.01mm)	59th Wettest	Wettest since: 1978	1997
Oct 1976–Sep 1980 48-Month	60.98" (1,548.89mm)	63.72" (1,618.49mm)	-2.74" (-69.60mm)	40th Driest	Driest since: 1977	2003
Oct 1976–Sep 1980 48-Month	60.98" (1,548.89mm)	63.72" (1,618.49mm)	-2.74" (-69.60mm)	85th Wettest	Wettest since: 1979	1998
Oct 1975–Sep 1980 60-Month	78.06" (1,982.72mm)	79.56" (2,020.82mm)	-1.50" (-38.10mm)	53rd Driest	Driest since: 1970	2004
Oct 1975–Sep 1980 60-Month	78.06" (1,982.72mm)	79.56" (2,020.82mm)	-1.50" (-38.10mm)	71st Wettest	Wettest since: 1979	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings