Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Upper Midwest Climate Region

Precipitation Rankings, December 1966

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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 1966 1-Month	1.55" (39.37mm)	1.25" (31.75mm)	0.30" (7.62mm)	92nd Driest	Driest since: 1964	1943
December 1966 1-Month	1.55" (39.37mm)	1.25" (31.75mm)	0.30" (7.62mm)	37th Wettest	Wettest since: 1965	2015
Nov–Dec 1966 2-Month	3.11" (78.99mm)	3.10" (78.74mm)	0.01" (0.25mm)	66th Driest	Driest since: 1964	1976
Nov–Dec 1966 2-Month	3.11" (78.99mm)	3.10" (78.74mm)	0.01" (0.25mm)	63rd Wettest	Wettest since: 1965	2015
Oct–Dec 1966 3-Month	5.28" (134.11mm)	5.38" (136.65mm)	-0.10" (-2.54mm)	57th Driest	Driest since: 1964	1976
Oct–Dec 1966 3-Month	5.28" (134.11mm)	5.38" (136.65mm)	-0.10" (-2.54mm)	72nd Wettest	Wettest since: 1965	1982
Sep–Dec 1966 4-Month	6.98" (177.29mm)	8.74" (222.00mm)	-1.76" (-44.71mm)	21st Driest	Driest since: 1963	1976
	6.98" (177.29mm)	8.74" (222.00mm)	-1.76" (-44.71mm)	108th Wettest	Wettest since: 1965	2019
	Ties: 2011
Aug–Dec 1966 5-Month	11.00" (279.40mm)	12.27" (311.66mm)	-1.27" (-32.26mm)	37th Driest	Driest since: 1963	1976
Aug–Dec 1966 5-Month	11.00" (279.40mm)	12.27" (311.66mm)	-1.27" (-32.26mm)	92nd Wettest	Wettest since: 1965	2019
Jul–Dec 1966 6-Month	14.18" (360.17mm)	15.84" (402.34mm)	-1.66" (-42.17mm)	36th Driest	Driest since: 1963	1976
Jul–Dec 1966 6-Month	14.18" (360.17mm)	15.84" (402.34mm)	-1.66" (-42.17mm)	93rd Wettest	Wettest since: 1965	1900
Jun–Dec 1966 7-Month	17.67" (448.82mm)	19.89" (505.21mm)	-2.22" (-56.39mm)	23rd Driest	Driest since: 1963	1976
Jun–Dec 1966 7-Month	17.67" (448.82mm)	19.89" (505.21mm)	-2.22" (-56.39mm)	106th Wettest	Wettest since: 1965	2010
May–Dec 1966 8-Month	19.84" (503.94mm)	23.31" (592.07mm)	-3.47" (-88.13mm)	14th Driest	Driest since: 1963	1976
May–Dec 1966 8-Month	19.84" (503.94mm)	23.31" (592.07mm)	-3.47" (-88.13mm)	115th Wettest	Wettest since: 1965	2019
Apr–Dec 1966 9-Month	21.97" (558.04mm)	25.81" (655.57mm)	-3.84" (-97.53mm)	14th Driest	Driest since: 1963	1976
Apr–Dec 1966 9-Month	21.97" (558.04mm)	25.81" (655.57mm)	-3.84" (-97.53mm)	115th Wettest	Wettest since: 1965	2019
Mar–Dec 1966 10-Month	24.43" (620.52mm)	27.52" (699.01mm)	-3.09" (-78.49mm)	21st Driest	Driest since: 1963	1910
Mar–Dec 1966 10-Month	24.43" (620.52mm)	27.52" (699.01mm)	-3.09" (-78.49mm)	108th Wettest	Wettest since: 1965	2019
Feb–Dec 1966 11-Month	25.43" (645.92mm)	28.54" (724.92mm)	-3.11" (-79.00mm)	21st Driest	Driest since: 1963	1910
Feb–Dec 1966 11-Month	25.43" (645.92mm)	28.54" (724.92mm)	-3.11" (-79.00mm)	108th Wettest	Wettest since: 1965	2019
Jan–Dec 1966 12-Month	26.40" (670.56mm)	29.68" (753.87mm)	-3.28" (-83.31mm)	20th Driest	Driest since: 1963	1910
Jan–Dec 1966 12-Month	26.40" (670.56mm)	29.68" (753.87mm)	-3.28" (-83.31mm)	109th Wettest	Wettest since: 1965	2019
Jul 1965–Dec 1966 18-Month	46.55" (1,182.37mm)	45.59" (1,157.99mm)	0.96" (24.38mm)	68th Driest	Driest since: 1964	1976
Jul 1965–Dec 1966 18-Month	46.55" (1,182.37mm)	45.59" (1,157.99mm)	0.96" (24.38mm)	60th Wettest	Wettest since: 1965	2019
Jan 1965–Dec 1966 24-Month	62.58" (1,589.53mm)	59.39" (1,508.51mm)	3.19" (81.02mm)	86th Driest	Driest since: 1964	1989
Jan 1965–Dec 1966 24-Month	62.58" (1,589.53mm)	59.39" (1,508.51mm)	3.19" (81.02mm)	42nd Wettest	Wettest since: 1965	2019
Jan 1964–Dec 1966 36-Month	91.22" (2,316.99mm)	89.07" (2,262.38mm)	2.15" (54.61mm)	69th Driest	Driest since: 1965	1989
Jan 1964–Dec 1966 36-Month	91.22" (2,316.99mm)	89.07" (2,262.38mm)	2.15" (54.61mm)	58th Wettest	Wettest since: 1961	2019
Jan 1963–Dec 1966 48-Month	116.07" (2,948.18mm)	118.71" (3,015.23mm)	-2.64" (-67.05mm)	38th Driest	Driest since: 1964	1936
Jan 1963–Dec 1966 48-Month	116.07" (2,948.18mm)	118.71" (3,015.23mm)	-2.64" (-67.05mm)	88th Wettest	Wettest since: 1965	2019
Jan 1962–Dec 1966 60-Month	144.72" (3,675.89mm)	148.36" (3,768.34mm)	-3.64" (-92.45mm)	35th Driest	Driest since: 1964	1936
Jan 1962–Dec 1966 60-Month	144.72" (3,675.89mm)	148.36" (3,768.34mm)	-3.64" (-92.45mm)	90th Wettest	Wettest since: 1965	2019

Citing This Page

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