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, January 1931

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1931 1-Month	0.34" (8.64mm)	1.06" (26.92mm)	-0.72" (-18.28mm)	3rd Driest	Driest since: 1919	1961
January 1931 1-Month	0.34" (8.64mm)	1.06" (26.92mm)	-0.72" (-18.28mm)	126th Wettest	Wettest since: 1930	1895
Dec 1930–Jan 1931 2-Month	0.67" (17.02mm)	2.07" (52.58mm)	-1.40" (-35.56mm)	1st Driest	Driest since: 1931	1931
Dec 1930–Jan 1931 2-Month	0.67" (17.02mm)	2.07" (52.58mm)	-1.40" (-35.56mm)	127th Wettest	Wettest since: 1930	1997
Nov 1930–Jan 1931 3-Month	1.34" (34.04mm)	3.10" (78.74mm)	-1.76" (-44.70mm)	1st Driest	Driest since: 1931	1931
Nov 1930–Jan 1931 3-Month	1.34" (34.04mm)	3.10" (78.74mm)	-1.76" (-44.70mm)	127th Wettest	Wettest since: 1930	1943
Oct 1930–Jan 1931 4-Month	3.51" (89.15mm)	4.30" (109.22mm)	-0.79" (-20.07mm)	30th Driest	Driest since: 1919	1934, 1977
Oct 1930–Jan 1931 4-Month	3.51" (89.15mm)	4.30" (109.22mm)	-0.79" (-20.07mm)	98th Wettest	Wettest since: 1930	1943
Sep 1930–Jan 1931 5-Month	4.53" (115.06mm)	5.54" (140.72mm)	-1.01" (-25.66mm)	29th Driest	Driest since: 1915	1934
	4.53" (115.06mm)	5.54" (140.72mm)	-1.01" (-25.66mm)	99th Wettest	Wettest since: 1930	1943
	Ties: 1906
Aug 1930–Jan 1931 6-Month	7.72" (196.09mm)	6.61" (167.89mm)	1.11" (28.20mm)	102nd Driest	Driest since: 1930	1905
Aug 1930–Jan 1931 6-Month	7.72" (196.09mm)	6.61" (167.89mm)	1.11" (28.20mm)	26th Wettest	Wettest since: 1928	1928
Jul 1930–Jan 1931 7-Month	8.99" (228.35mm)	7.89" (200.41mm)	1.10" (27.94mm)	101st Driest	Driest since: 1930	2021
Jul 1930–Jan 1931 7-Month	8.99" (228.35mm)	7.89" (200.41mm)	1.10" (27.94mm)	27th Wettest	Wettest since: 1928	1924
Jun 1930–Jan 1931 8-Month	9.97" (253.24mm)	9.72" (246.89mm)	0.25" (6.35mm)	78th Driest	Driest since: 1930	1934
	9.97" (253.24mm)	9.72" (246.89mm)	0.25" (6.35mm)	50th Wettest	Wettest since: 1929	1999
	Ties: 1945
May 1930–Jan 1931 9-Month	12.63" (320.80mm)	11.92" (302.77mm)	0.71" (18.03mm)	79th Driest	Driest since: 1930	1901
May 1930–Jan 1931 9-Month	12.63" (320.80mm)	11.92" (302.77mm)	0.71" (18.03mm)	49th Wettest	Wettest since: 1929	1909
Apr 1930–Jan 1931 10-Month	13.86" (352.04mm)	13.72" (348.49mm)	0.14" (3.55mm)	68th Driest	Driest since: 1930	1955
Apr 1930–Jan 1931 10-Month	13.86" (352.04mm)	13.72" (348.49mm)	0.14" (3.55mm)	60th Wettest	Wettest since: 1929	1942
Mar 1930–Jan 1931 11-Month	14.98" (380.49mm)	14.97" (380.24mm)	0.01" (0.25mm)	64th Driest	Driest since: 1925	2013
Mar 1930–Jan 1931 11-Month	14.98" (380.49mm)	14.97" (380.24mm)	0.01" (0.25mm)	64th Wettest	Wettest since: 1930	1996
Feb 1930–Jan 1931 12-Month	15.85" (402.59mm)	15.93" (404.62mm)	-0.08" (-2.03mm)	61st Driest	Driest since: 1925	2013
Feb 1930–Jan 1931 12-Month	15.85" (402.59mm)	15.93" (404.62mm)	-0.08" (-2.03mm)	67th Wettest	Wettest since: 1930	1996
Aug 1929–Jan 1931 18-Month	22.95" (582.93mm)	22.54" (572.52mm)	0.41" (10.41mm)	69th Driest	Driest since: 1923	1935
	22.95" (582.93mm)	22.54" (572.52mm)	0.41" (10.41mm)	58th Wettest	Wettest since: 1930	1996
	Ties: 1897
Feb 1929–Jan 1931 24-Month	32.95" (836.93mm)	31.88" (809.75mm)	1.07" (27.18mm)	82nd Driest	Driest since: 1926	2003
Feb 1929–Jan 1931 24-Month	32.95" (836.93mm)	31.88" (809.75mm)	1.07" (27.18mm)	45th Wettest	Wettest since: 1930	1943
Feb 1928–Jan 1931 36-Month	48.99" (1,244.35mm)	47.78" (1,213.61mm)	1.21" (30.74mm)	83rd Driest	Driest since: 1927	2003
Feb 1928–Jan 1931 36-Month	48.99" (1,244.35mm)	47.78" (1,213.61mm)	1.21" (30.74mm)	43rd Wettest	Wettest since: 1930	1948
Feb 1927–Jan 1931 48-Month	69.58" (1,767.33mm)	63.65" (1,616.71mm)	5.93" (150.62mm)	106th Driest	Driest since: 1928	2004
Feb 1927–Jan 1931 48-Month	69.58" (1,767.33mm)	63.65" (1,616.71mm)	5.93" (150.62mm)	19th Wettest	Wettest since: 1930	1999
Feb 1926–Jan 1931 60-Month	86.48" (2,196.59mm)	79.51" (2,019.55mm)	6.97" (177.04mm)	108th Driest	Driest since: 1929	2005
Feb 1926–Jan 1931 60-Month	86.48" (2,196.59mm)	79.51" (2,019.55mm)	6.97" (177.04mm)	16th Wettest	Wettest since: 1930	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings