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 1941

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1941 1-Month	1.68" (42.67mm)	1.24" (31.50mm)	0.44" (11.17mm)	100th Driest	Driest since: 1939	1979
September 1941 1-Month	1.68" (42.67mm)	1.24" (31.50mm)	0.44" (11.17mm)	29th Wettest	Wettest since: 1940	1923
Aug–Sep 1941 2-Month	3.96" (100.58mm)	2.31" (58.67mm)	1.65" (41.91mm)	122nd Driest	Driest since: 1940	2012
Aug–Sep 1941 2-Month	3.96" (100.58mm)	2.31" (58.67mm)	1.65" (41.91mm)	7th Wettest	Wettest since: 1930	1923
Jul–Sep 1941 3-Month	5.58" (141.73mm)	3.59" (91.19mm)	1.99" (50.54mm)	122nd Driest	Driest since: 1940	1964
Jul–Sep 1941 3-Month	5.58" (141.73mm)	3.59" (91.19mm)	1.99" (50.54mm)	7th Wettest	Wettest since: 1923	1923
Jun–Sep 1941 4-Month	8.27" (210.06mm)	5.43" (137.92mm)	2.84" (72.14mm)	124th Driest	Driest since: 1940	2012
Jun–Sep 1941 4-Month	8.27" (210.06mm)	5.43" (137.92mm)	2.84" (72.14mm)	5th Wettest	Wettest since: 1923	1923
May–Sep 1941 5-Month	9.88" (250.95mm)	7.64" (194.06mm)	2.24" (56.89mm)	117th Driest	Driest since: 1940	1919
	9.88" (250.95mm)	7.64" (194.06mm)	2.24" (56.89mm)	12th Wettest	Wettest since: 1927	1915
	Ties: 1997
Apr–Sep 1941 6-Month	13.80" (350.52mm)	9.42" (239.27mm)	4.38" (111.25mm)	128th Driest	Driest since: 1940	2012
Apr–Sep 1941 6-Month	13.80" (350.52mm)	9.42" (239.27mm)	4.38" (111.25mm)	1st Wettest	Wettest to Date	1941
Mar–Sep 1941 7-Month	14.88" (377.95mm)	10.67" (271.02mm)	4.21" (106.93mm)	128th Driest	Driest since: 1940	2012
Mar–Sep 1941 7-Month	14.88" (377.95mm)	10.67" (271.02mm)	4.21" (106.93mm)	1st Wettest	Wettest to Date	1941
Feb–Sep 1941 8-Month	15.57" (395.48mm)	11.63" (295.40mm)	3.94" (100.08mm)	127th Driest	Driest since: 1940	2012
Feb–Sep 1941 8-Month	15.57" (395.48mm)	11.63" (295.40mm)	3.94" (100.08mm)	2nd Wettest	Wettest to Date	1945
Jan–Sep 1941 9-Month	16.13" (409.70mm)	12.70" (322.58mm)	3.43" (87.12mm)	123rd Driest	Driest since: 1940	1919
Jan–Sep 1941 9-Month	16.13" (409.70mm)	12.70" (322.58mm)	3.43" (87.12mm)	6th Wettest	Wettest since: 1927	1915, 1945
Dec 1940–Sep 1941 10-Month	16.77" (425.96mm)	13.71" (348.23mm)	3.06" (77.73mm)	118th Driest	Driest since: 1940	1919
Dec 1940–Sep 1941 10-Month	16.77" (425.96mm)	13.71" (348.23mm)	3.06" (77.73mm)	10th Wettest	Wettest since: 1927	1923
Nov 1940–Sep 1941 11-Month	17.99" (456.95mm)	14.74" (374.40mm)	3.25" (82.55mm)	119th Driest	Driest since: 1940	1919
Nov 1940–Sep 1941 11-Month	17.99" (456.95mm)	14.74" (374.40mm)	3.25" (82.55mm)	9th Wettest	Wettest since: 1927	1923
Oct 1940–Sep 1941 12-Month	19.15" (486.41mm)	15.94" (404.88mm)	3.21" (81.53mm)	119th Driest	Driest since: 1940	1919
	19.15" (486.41mm)	15.94" (404.88mm)	3.21" (81.53mm)	9th Wettest	Wettest since: 1927	1995
	Ties: 1912
Apr 1940–Sep 1941 18-Month	28.37" (720.60mm)	25.35" (643.89mm)	3.02" (76.71mm)	105th Driest	Driest since: 1940	2021
Apr 1940–Sep 1941 18-Month	28.37" (720.60mm)	25.35" (643.89mm)	3.02" (76.71mm)	23rd Wettest	Wettest since: 1928	1945
Oct 1939–Sep 1941 24-Month	33.78" (858.01mm)	31.88" (809.75mm)	1.90" (48.26mm)	89th Driest	Driest since: 1940	2002
Oct 1939–Sep 1941 24-Month	33.78" (858.01mm)	31.88" (809.75mm)	1.90" (48.26mm)	38th Wettest	Wettest since: 1938	1998
Oct 1938–Sep 1941 36-Month	47.24" (1,199.90mm)	47.81" (1,214.37mm)	-0.57" (-14.47mm)	60th Driest	Driest since: 1940	2002
Oct 1938–Sep 1941 36-Month	47.24" (1,199.90mm)	47.81" (1,214.37mm)	-0.57" (-14.47mm)	66th Wettest	Wettest since: 1939	1997
Oct 1937–Sep 1941 48-Month	64.69" (1,643.13mm)	63.72" (1,618.49mm)	0.97" (24.64mm)	74th Driest	Driest since: 1940	2003
Oct 1937–Sep 1941 48-Month	64.69" (1,643.13mm)	63.72" (1,618.49mm)	0.97" (24.64mm)	51st Wettest	Wettest since: 1930	1998
Oct 1936–Sep 1941 60-Month	81.74" (2,076.20mm)	79.56" (2,020.82mm)	2.18" (55.38mm)	81st Driest	Driest since: 1940	2004
Oct 1936–Sep 1941 60-Month	81.74" (2,076.20mm)	79.56" (2,020.82mm)	2.18" (55.38mm)	43rd Wettest	Wettest since: 1931	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings