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 1988

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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 1988 1-Month	0.68" (17.27mm)	1.01" (25.65mm)	-0.33" (-8.38mm)	23rd Driest	Driest since: 1986	1986
	0.68" (17.27mm)	1.01" (25.65mm)	-0.33" (-8.38mm)	106th Wettest	Wettest since: 1987	1964, 1996
	Ties: 1903, 1929
Nov–Dec 1988 2-Month	2.17" (55.12mm)	2.05" (52.07mm)	0.12" (3.05mm)	80th Driest	Driest since: 1986	1914
	2.17" (55.12mm)	2.05" (52.07mm)	0.12" (3.05mm)	49th Wettest	Wettest since: 1987	1983
	Ties: 1960
Oct–Dec 1988 3-Month	2.43" (61.72mm)	3.24" (82.30mm)	-0.81" (-20.58mm)	20th Driest	Driest since: 1976	1976
Oct–Dec 1988 3-Month	2.43" (61.72mm)	3.24" (82.30mm)	-0.81" (-20.58mm)	109th Wettest	Wettest since: 1987	1942
Sep–Dec 1988 4-Month	3.47" (88.14mm)	4.48" (113.79mm)	-1.01" (-25.65mm)	22nd Driest	Driest since: 1987	1952
	3.47" (88.14mm)	4.48" (113.79mm)	-1.01" (-25.65mm)	107th Wettest	Wettest since: 1986	2013
	Ties: 1905
Aug–Dec 1988 5-Month	3.99" (101.35mm)	5.55" (140.97mm)	-1.56" (-39.62mm)	13th Driest	Driest since: 1976	1904
Aug–Dec 1988 5-Month	3.99" (101.35mm)	5.55" (140.97mm)	-1.56" (-39.62mm)	116th Wettest	Wettest since: 1987	1923
Jul–Dec 1988 6-Month	4.53" (115.06mm)	6.83" (173.48mm)	-2.30" (-58.42mm)	7th Driest	Driest since: 1952	1939
Jul–Dec 1988 6-Month	4.53" (115.06mm)	6.83" (173.48mm)	-2.30" (-58.42mm)	122nd Wettest	Wettest since: 1987	1923
Jun–Dec 1988 7-Month	5.38" (136.65mm)	8.67" (220.22mm)	-3.29" (-83.57mm)	3rd Driest	Driest since: 1935	1935
Jun–Dec 1988 7-Month	5.38" (136.65mm)	8.67" (220.22mm)	-3.29" (-83.57mm)	126th Wettest	Wettest since: 1987	1923
May–Dec 1988 8-Month	7.27" (184.66mm)	10.88" (276.35mm)	-3.61" (-91.69mm)	4th Driest	Driest since: 1900	1900
May–Dec 1988 8-Month	7.27" (184.66mm)	10.88" (276.35mm)	-3.61" (-91.69mm)	125th Wettest	Wettest since: 1987	1923
Apr–Dec 1988 9-Month	8.56" (217.42mm)	12.66" (321.56mm)	-4.10" (-104.14mm)	5th Driest	Driest since: 1954	1954
Apr–Dec 1988 9-Month	8.56" (217.42mm)	12.66" (321.56mm)	-4.10" (-104.14mm)	124th Wettest	Wettest since: 1987	1941
Mar–Dec 1988 10-Month	9.82" (249.43mm)	13.91" (353.31mm)	-4.09" (-103.88mm)	4th Driest	Driest since: 1939	2012
Mar–Dec 1988 10-Month	9.82" (249.43mm)	13.91" (353.31mm)	-4.09" (-103.88mm)	125th Wettest	Wettest since: 1987	1941
Feb–Dec 1988 11-Month	10.54" (267.72mm)	14.88" (377.95mm)	-4.34" (-110.23mm)	3rd Driest	Driest since: 1939	2012
Feb–Dec 1988 11-Month	10.54" (267.72mm)	14.88" (377.95mm)	-4.34" (-110.23mm)	126th Wettest	Wettest since: 1987	1941
Jan–Dec 1988 12-Month	11.42" (290.07mm)	15.94" (404.88mm)	-4.52" (-114.81mm)	3rd Driest	Driest since: 1939	2012
Jan–Dec 1988 12-Month	11.42" (290.07mm)	15.94" (404.88mm)	-4.52" (-114.81mm)	126th Wettest	Wettest since: 1987	1927
Jul 1987–Dec 1988 18-Month	18.17" (461.52mm)	22.77" (578.36mm)	-4.60" (-116.84mm)	9th Driest	Driest since: 1960	1934
Jul 1987–Dec 1988 18-Month	18.17" (461.52mm)	22.77" (578.36mm)	-4.60" (-116.84mm)	119th Wettest	Wettest since: 1987	1927
Jan 1987–Dec 1988 24-Month	26.28" (667.51mm)	31.87" (809.50mm)	-5.59" (-141.99mm)	9th Driest	Driest since: 1960	2002
Jan 1987–Dec 1988 24-Month	26.28" (667.51mm)	31.87" (809.50mm)	-5.59" (-141.99mm)	119th Wettest	Wettest since: 1987	1983
Jan 1986–Dec 1988 36-Month	44.19" (1,122.43mm)	47.82" (1,214.63mm)	-3.63" (-92.20mm)	29th Driest	Driest since: 1962	2002
Jan 1986–Dec 1988 36-Month	44.19" (1,122.43mm)	47.82" (1,214.63mm)	-3.63" (-92.20mm)	98th Wettest	Wettest since: 1987	1947
Jan 1985–Dec 1988 48-Month	58.41" (1,483.61mm)	63.72" (1,618.49mm)	-5.31" (-134.88mm)	18th Driest	Driest since: 1962	2003
Jan 1985–Dec 1988 48-Month	58.41" (1,483.61mm)	63.72" (1,618.49mm)	-5.31" (-134.88mm)	108th Wettest	Wettest since: 1987	1998
Jan 1984–Dec 1988 60-Month	74.04" (1,880.62mm)	79.58" (2,021.33mm)	-5.54" (-140.71mm)	26th Driest	Driest since: 1963	1935
Jan 1984–Dec 1988 60-Month	74.04" (1,880.62mm)	79.58" (2,021.33mm)	-5.54" (-140.71mm)	99th Wettest	Wettest since: 1987	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