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, February 1921

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
February 1921 1-Month	0.58" (14.73mm)	0.97" (24.64mm)	-0.39" (-9.91mm)	8th Driest	Driest to Date	1970, 1977
	0.58" (14.73mm)	0.97" (24.64mm)	-0.39" (-9.91mm)	122nd Wettest	Wettest since: 1920	1899, 1986
	Ties: 1931, 1954, 1973, 2010
Jan–Feb 1921 2-Month	1.76" (44.70mm)	2.03" (51.56mm)	-0.27" (-6.86mm)	44th Driest	Driest since: 1920	1931
Jan–Feb 1921 2-Month	1.76" (44.70mm)	2.03" (51.56mm)	-0.27" (-6.86mm)	86th Wettest	Wettest since: 1918	1899
Dec 1920–Feb 1921 3-Month	2.82" (71.63mm)	3.04" (77.22mm)	-0.22" (-5.59mm)	48th Driest	Driest since: 1920	1931
	2.82" (71.63mm)	3.04" (77.22mm)	-0.22" (-5.59mm)	81st Wettest	Wettest since: 1918	2017
	Ties: 1973
Nov 1920–Feb 1921 4-Month	3.73" (94.74mm)	4.07" (103.38mm)	-0.34" (-8.64mm)	48th Driest	Driest since: 1919	1931
Nov 1920–Feb 1921 4-Month	3.73" (94.74mm)	4.07" (103.38mm)	-0.34" (-8.64mm)	81st Wettest	Wettest since: 1920	2017
Oct 1920–Feb 1921 5-Month	5.14" (130.56mm)	5.27" (133.86mm)	-0.13" (-3.30mm)	56th Driest	Driest since: 1919	1977
Oct 1920–Feb 1921 5-Month	5.14" (130.56mm)	5.27" (133.86mm)	-0.13" (-3.30mm)	73rd Wettest	Wettest since: 1920	1943
Sep 1920–Feb 1921 6-Month	5.98" (151.89mm)	6.50" (165.10mm)	-0.52" (-13.21mm)	47th Driest	Driest since: 1919	1977
Sep 1920–Feb 1921 6-Month	5.98" (151.89mm)	6.50" (165.10mm)	-0.52" (-13.21mm)	82nd Wettest	Wettest since: 1920	2017
Aug 1920–Feb 1921 7-Month	7.10" (180.34mm)	7.57" (192.28mm)	-0.47" (-11.94mm)	53rd Driest	Driest since: 1919	1905
Aug 1920–Feb 1921 7-Month	7.10" (180.34mm)	7.57" (192.28mm)	-0.47" (-11.94mm)	76th Wettest	Wettest since: 1920	2017
Jul 1920–Feb 1921 8-Month	7.88" (200.15mm)	8.86" (225.04mm)	-0.98" (-24.89mm)	37th Driest	Driest since: 1918	1905
Jul 1920–Feb 1921 8-Month	7.88" (200.15mm)	8.86" (225.04mm)	-0.98" (-24.89mm)	92nd Wettest	Wettest since: 1920	1924
Jun 1920–Feb 1921 9-Month	9.16" (232.66mm)	10.69" (271.53mm)	-1.53" (-38.87mm)	30th Driest	Driest since: 1918	2013
Jun 1920–Feb 1921 9-Month	9.16" (232.66mm)	10.69" (271.53mm)	-1.53" (-38.87mm)	99th Wettest	Wettest since: 1920	1999
May 1920–Feb 1921 10-Month	11.43" (290.32mm)	12.89" (327.41mm)	-1.46" (-37.09mm)	38th Driest	Driest since: 1920	2013
May 1920–Feb 1921 10-Month	11.43" (290.32mm)	12.89" (327.41mm)	-1.46" (-37.09mm)	91st Wettest	Wettest since: 1919	1909
Apr 1920–Feb 1921 11-Month	14.34" (364.24mm)	14.69" (373.13mm)	-0.35" (-8.89mm)	54th Driest	Driest since: 1920	2013
Apr 1920–Feb 1921 11-Month	14.34" (364.24mm)	14.69" (373.13mm)	-0.35" (-8.89mm)	75th Wettest	Wettest since: 1916	1942
Mar 1920–Feb 1921 12-Month	15.68" (398.27mm)	15.93" (404.62mm)	-0.25" (-6.35mm)	58th Driest	Driest since: 1920	2013
Mar 1920–Feb 1921 12-Month	15.68" (398.27mm)	15.93" (404.62mm)	-0.25" (-6.35mm)	71st Wettest	Wettest since: 1916	1996
Sep 1919–Feb 1921 18-Month	23.48" (596.39mm)	22.44" (569.98mm)	1.04" (26.41mm)	82nd Driest	Driest since: 1920	1935
Sep 1919–Feb 1921 18-Month	23.48" (596.39mm)	22.44" (569.98mm)	1.04" (26.41mm)	46th Wettest	Wettest since: 1916	1996
Mar 1919–Feb 1921 24-Month	28.31" (719.07mm)	31.87" (809.50mm)	-3.56" (-90.43mm)	24th Driest	Driest since: 1920	2003
Mar 1919–Feb 1921 24-Month	28.31" (719.07mm)	31.87" (809.50mm)	-3.56" (-90.43mm)	104th Wettest	Wettest since: 1919	1943
Mar 1918–Feb 1921 36-Month	43.87" (1,114.30mm)	47.77" (1,213.36mm)	-3.90" (-99.06mm)	28th Driest	Driest since: 1920	2003
Mar 1918–Feb 1921 36-Month	43.87" (1,114.30mm)	47.77" (1,213.36mm)	-3.90" (-99.06mm)	99th Wettest	Wettest since: 1918	1948
Mar 1917–Feb 1921 48-Month	59.05" (1,499.87mm)	63.63" (1,616.20mm)	-4.58" (-116.33mm)	26th Driest	Driest since: 1920	2004
Mar 1917–Feb 1921 48-Month	59.05" (1,499.87mm)	63.63" (1,616.20mm)	-4.58" (-116.33mm)	100th Wettest	Wettest since: 1919	1999
Mar 1916–Feb 1921 60-Month	72.01" (1,829.05mm)	79.50" (2,019.30mm)	-7.49" (-190.25mm)	14th Driest	Driest since: 1915	2005
Mar 1916–Feb 1921 60-Month	72.01" (1,829.05mm)	79.50" (2,019.30mm)	-7.49" (-190.25mm)	111th Wettest	Wettest since: 1920	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings