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 1943

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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 1943 1-Month	0.49" (12.45mm)	1.24" (31.50mm)	-0.75" (-19.05mm)	17th Driest	Driest since: 1932	1979
	0.49" (12.45mm)	1.24" (31.50mm)	-0.75" (-19.05mm)	112th Wettest	Wettest since: 1942	1923
	Ties: 1958
Aug–Sep 1943 2-Month	1.54" (39.12mm)	2.31" (58.67mm)	-0.77" (-19.55mm)	30th Driest	Driest since: 1937	2012
	1.54" (39.12mm)	2.31" (58.67mm)	-0.77" (-19.55mm)	99th Wettest	Wettest since: 1942	1923
	Ties: 1981
Jul–Sep 1943 3-Month	2.28" (57.91mm)	3.59" (91.19mm)	-1.31" (-33.28mm)	12th Driest	Driest since: 1935	1964
Jul–Sep 1943 3-Month	2.28" (57.91mm)	3.59" (91.19mm)	-1.31" (-33.28mm)	117th Wettest	Wettest since: 1942	1923
Jun–Sep 1943 4-Month	4.43" (112.52mm)	5.43" (137.92mm)	-1.00" (-25.40mm)	40th Driest	Driest since: 1942	2012
	4.43" (112.52mm)	5.43" (137.92mm)	-1.00" (-25.40mm)	89th Wettest	Wettest since: 1941	1923
	Ties: 2008
May–Sep 1943 5-Month	6.40" (162.56mm)	7.64" (194.06mm)	-1.24" (-31.50mm)	36th Driest	Driest since: 1940	1919
May–Sep 1943 5-Month	6.40" (162.56mm)	7.64" (194.06mm)	-1.24" (-31.50mm)	93rd Wettest	Wettest since: 1942	1915
Apr–Sep 1943 6-Month	8.07" (204.98mm)	9.42" (239.27mm)	-1.35" (-34.29mm)	31st Driest	Driest since: 1939	2012
Apr–Sep 1943 6-Month	8.07" (204.98mm)	9.42" (239.27mm)	-1.35" (-34.29mm)	98th Wettest	Wettest since: 1942	1941
Mar–Sep 1943 7-Month	9.71" (246.63mm)	10.67" (271.02mm)	-0.96" (-24.39mm)	39th Driest	Driest since: 1939	2012
Mar–Sep 1943 7-Month	9.71" (246.63mm)	10.67" (271.02mm)	-0.96" (-24.39mm)	90th Wettest	Wettest since: 1942	1941
Feb–Sep 1943 8-Month	10.53" (267.46mm)	11.63" (295.40mm)	-1.10" (-27.94mm)	33rd Driest	Driest since: 1939	2012
Feb–Sep 1943 8-Month	10.53" (267.46mm)	11.63" (295.40mm)	-1.10" (-27.94mm)	96th Wettest	Wettest since: 1942	1945
Jan–Sep 1943 9-Month	12.33" (313.18mm)	12.70" (322.58mm)	-0.37" (-9.40mm)	59th Driest	Driest since: 1942	1919
Jan–Sep 1943 9-Month	12.33" (313.18mm)	12.70" (322.58mm)	-0.37" (-9.40mm)	70th Wettest	Wettest since: 1941	1915, 1945
Dec 1942–Sep 1943 10-Month	13.56" (344.42mm)	13.71" (348.23mm)	-0.15" (-3.81mm)	64th Driest	Driest since: 1942	1919
Dec 1942–Sep 1943 10-Month	13.56" (344.42mm)	13.71" (348.23mm)	-0.15" (-3.81mm)	64th Wettest	Wettest since: 1941	1923
Nov 1942–Sep 1943 11-Month	15.96" (405.38mm)	14.74" (374.40mm)	1.22" (30.98mm)	87th Driest	Driest since: 1942	1919
Nov 1942–Sep 1943 11-Month	15.96" (405.38mm)	14.74" (374.40mm)	1.22" (30.98mm)	41st Wettest	Wettest since: 1941	1923
Oct 1942–Sep 1943 12-Month	17.88" (454.15mm)	15.94" (404.88mm)	1.94" (49.27mm)	99th Driest	Driest since: 1942	1919
Oct 1942–Sep 1943 12-Month	17.88" (454.15mm)	15.94" (404.88mm)	1.94" (49.27mm)	29th Wettest	Wettest since: 1941	1995
Apr 1942–Sep 1943 18-Month	27.44" (696.98mm)	25.35" (643.89mm)	2.09" (53.09mm)	96th Driest	Driest since: 1940	2021
Apr 1942–Sep 1943 18-Month	27.44" (696.98mm)	25.35" (643.89mm)	2.09" (53.09mm)	32nd Wettest	Wettest since: 1942	1945
Oct 1941–Sep 1943 24-Month	34.04" (864.62mm)	31.88" (809.75mm)	2.16" (54.87mm)	91st Driest	Driest since: 1941	2002
Oct 1941–Sep 1943 24-Month	34.04" (864.62mm)	31.88" (809.75mm)	2.16" (54.87mm)	36th Wettest	Wettest since: 1942	1998
Oct 1940–Sep 1943 36-Month	53.19" (1,351.03mm)	47.81" (1,214.37mm)	5.38" (136.66mm)	113th Driest	Driest since: 1942	2002
Oct 1940–Sep 1943 36-Month	53.19" (1,351.03mm)	47.81" (1,214.37mm)	5.38" (136.66mm)	13th Wettest	Wettest since: 1929	1997
Oct 1939–Sep 1943 48-Month	67.82" (1,722.63mm)	63.72" (1,618.49mm)	4.10" (104.14mm)	98th Driest	Driest since: 1942	2003
Oct 1939–Sep 1943 48-Month	67.82" (1,722.63mm)	63.72" (1,618.49mm)	4.10" (104.14mm)	27th Wettest	Wettest since: 1930	1998
Oct 1938–Sep 1943 60-Month	81.28" (2,064.51mm)	79.56" (2,020.82mm)	1.72" (43.69mm)	79th Driest	Driest since: 1942	2004
Oct 1938–Sep 1943 60-Month	81.28" (2,064.51mm)	79.56" (2,020.82mm)	1.72" (43.69mm)	45th Wettest	Wettest since: 1941	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings