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, December 1918

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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
December 1918 1-Month	0.66" (16.76mm)	1.01" (25.65mm)	-0.35" (-8.89mm)	20th Driest	Driest since: 1914	1986
December 1918 1-Month	0.66" (16.76mm)	1.01" (25.65mm)	-0.35" (-8.89mm)	109th Wettest	Wettest since: 1917	1964, 1996
Nov–Dec 1918 2-Month	1.42" (36.07mm)	2.05" (52.07mm)	-0.63" (-16.00mm)	21st Driest	Driest since: 1914	1914
	1.42" (36.07mm)	2.05" (52.07mm)	-0.63" (-16.00mm)	108th Wettest	Wettest since: 1917	1983
	Ties: 1963, 1979
Oct–Dec 1918 3-Month	2.40" (60.96mm)	3.24" (82.30mm)	-0.84" (-21.34mm)	17th Driest	Driest since: 1914	1976
	2.40" (60.96mm)	3.24" (82.30mm)	-0.84" (-21.34mm)	112th Wettest	Wettest since: 1917	1942
	Ties: 1902
Sep–Dec 1918 4-Month	4.58" (116.33mm)	4.48" (113.79mm)	0.10" (2.54mm)	72nd Driest	Driest since: 1917	1952
Sep–Dec 1918 4-Month	4.58" (116.33mm)	4.48" (113.79mm)	0.10" (2.54mm)	57th Wettest	Wettest since: 1915	2013
Aug–Dec 1918 5-Month	5.38" (136.65mm)	5.55" (140.97mm)	-0.17" (-4.32mm)	62nd Driest	Driest since: 1917	1904
	5.38" (136.65mm)	5.55" (140.97mm)	-0.17" (-4.32mm)	67th Wettest	Wettest since: 1915	1923
	Ties: 1980
Jul–Dec 1918 6-Month	7.24" (183.90mm)	6.83" (173.48mm)	0.41" (10.42mm)	81st Driest	Driest since: 1917	1939
Jul–Dec 1918 6-Month	7.24" (183.90mm)	6.83" (173.48mm)	0.41" (10.42mm)	48th Wettest	Wettest since: 1915	1923
Jun–Dec 1918 7-Month	8.85" (224.79mm)	8.67" (220.22mm)	0.18" (4.57mm)	77th Driest	Driest since: 1917	1935
Jun–Dec 1918 7-Month	8.85" (224.79mm)	8.67" (220.22mm)	0.18" (4.57mm)	52nd Wettest	Wettest since: 1915	1923
May–Dec 1918 8-Month	10.60" (269.24mm)	10.88" (276.35mm)	-0.28" (-7.11mm)	61st Driest	Driest since: 1917	1900
May–Dec 1918 8-Month	10.60" (269.24mm)	10.88" (276.35mm)	-0.28" (-7.11mm)	68th Wettest	Wettest since: 1915	1923
Apr–Dec 1918 9-Month	13.04" (331.22mm)	12.66" (321.56mm)	0.38" (9.66mm)	74th Driest	Driest since: 1917	1954
Apr–Dec 1918 9-Month	13.04" (331.22mm)	12.66" (321.56mm)	0.38" (9.66mm)	55th Wettest	Wettest since: 1915	1941
Mar–Dec 1918 10-Month	14.33" (363.98mm)	13.91" (353.31mm)	0.42" (10.67mm)	75th Driest	Driest since: 1917	2012
Mar–Dec 1918 10-Month	14.33" (363.98mm)	13.91" (353.31mm)	0.42" (10.67mm)	54th Wettest	Wettest since: 1915	1941
Feb–Dec 1918 11-Month	15.44" (392.18mm)	14.88" (377.95mm)	0.56" (14.23mm)	79th Driest	Driest since: 1917	2012
Feb–Dec 1918 11-Month	15.44" (392.18mm)	14.88" (377.95mm)	0.56" (14.23mm)	50th Wettest	Wettest since: 1915	1941
Jan–Dec 1918 12-Month	17.00" (431.80mm)	15.94" (404.88mm)	1.06" (26.92mm)	87th Driest	Driest since: 1917	2012
	17.00" (431.80mm)	15.94" (404.88mm)	1.06" (26.92mm)	42nd Wettest	Wettest since: 1915	1927
	Ties: 2009
Jul 1917–Dec 1918 18-Month	21.63" (549.40mm)	22.77" (578.36mm)	-1.14" (-28.96mm)	51st Driest	Driest since: 1917	1934
Jul 1917–Dec 1918 18-Month	21.63" (549.40mm)	22.77" (578.36mm)	-1.14" (-28.96mm)	77th Wettest	Wettest since: 1916	1927
Jan 1917–Dec 1918 24-Month	31.79" (807.47mm)	31.87" (809.50mm)	-0.08" (-2.03mm)	62nd Driest	Driest since: 1917	2002
Jan 1917–Dec 1918 24-Month	31.79" (807.47mm)	31.87" (809.50mm)	-0.08" (-2.03mm)	66th Wettest	Wettest since: 1916	1983
Jan 1916–Dec 1918 36-Month	45.34" (1,151.64mm)	47.82" (1,214.63mm)	-2.48" (-62.99mm)	36th Driest	Driest since: 1912	2002
Jan 1916–Dec 1918 36-Month	45.34" (1,151.64mm)	47.82" (1,214.63mm)	-2.48" (-62.99mm)	91st Wettest	Wettest since: 1917	1947
Jan 1915–Dec 1918 48-Month	64.71" (1,643.63mm)	63.72" (1,618.49mm)	0.99" (25.14mm)	73rd Driest	Driest since: 1917	2003
Jan 1915–Dec 1918 48-Month	64.71" (1,643.63mm)	63.72" (1,618.49mm)	0.99" (25.14mm)	53rd Wettest	Wettest since: 1915	1998
Jan 1914–Dec 1918 60-Month	77.95" (1,979.93mm)	79.58" (2,021.33mm)	-1.63" (-41.40mm)	50th Driest	Driest since: 1917	1935
Jan 1914–Dec 1918 60-Month	77.95" (1,979.93mm)	79.58" (2,021.33mm)	-1.63" (-41.40mm)	75th Wettest	Wettest since: 1916	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings