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 1978

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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 1978 1-Month	1.32" (33.53mm)	1.25" (31.75mm)	0.07" (1.78mm)	70th Driest	Driest since: 1976	1943
	1.32" (33.53mm)	1.25" (31.75mm)	0.07" (1.78mm)	59th Wettest	Wettest since: 1977	2015
	Ties: 1897, 1941, 1946
Nov–Dec 1978 2-Month	3.25" (82.55mm)	3.10" (78.74mm)	0.15" (3.81mm)	77th Driest	Driest since: 1976	1976
	3.25" (82.55mm)	3.10" (78.74mm)	0.15" (3.81mm)	52nd Wettest	Wettest since: 1977	2015
	Ties: 1938, 2010
Oct–Dec 1978 3-Month	4.53" (115.06mm)	5.38" (136.65mm)	-0.85" (-21.59mm)	37th Driest	Driest since: 1976	1976
Oct–Dec 1978 3-Month	4.53" (115.06mm)	5.38" (136.65mm)	-0.85" (-21.59mm)	92nd Wettest	Wettest since: 1977	1982
Sep–Dec 1978 4-Month	9.12" (231.65mm)	8.74" (222.00mm)	0.38" (9.65mm)	76th Driest	Driest since: 1976	1976
Sep–Dec 1978 4-Month	9.12" (231.65mm)	8.74" (222.00mm)	0.38" (9.65mm)	53rd Wettest	Wettest since: 1977	2019
Aug–Dec 1978 5-Month	13.13" (333.50mm)	12.27" (311.66mm)	0.86" (21.84mm)	81st Driest	Driest since: 1976	1976
Aug–Dec 1978 5-Month	13.13" (333.50mm)	12.27" (311.66mm)	0.86" (21.84mm)	48th Wettest	Wettest since: 1977	2019
Jul–Dec 1978 6-Month	18.35" (466.09mm)	15.84" (402.34mm)	2.51" (63.75mm)	101st Driest	Driest since: 1976	1976
Jul–Dec 1978 6-Month	18.35" (466.09mm)	15.84" (402.34mm)	2.51" (63.75mm)	28th Wettest	Wettest since: 1977	1900
Jun–Dec 1978 7-Month	22.18" (563.37mm)	19.89" (505.21mm)	2.29" (58.16mm)	99th Driest	Driest since: 1976	1976
Jun–Dec 1978 7-Month	22.18" (563.37mm)	19.89" (505.21mm)	2.29" (58.16mm)	30th Wettest	Wettest since: 1977	2010
May–Dec 1978 8-Month	25.68" (652.27mm)	23.31" (592.07mm)	2.37" (60.20mm)	94th Driest	Driest since: 1976	1976
May–Dec 1978 8-Month	25.68" (652.27mm)	23.31" (592.07mm)	2.37" (60.20mm)	35th Wettest	Wettest since: 1977	2019
Apr–Dec 1978 9-Month	28.74" (730.00mm)	25.81" (655.57mm)	2.93" (74.43mm)	96th Driest	Driest since: 1976	1976
Apr–Dec 1978 9-Month	28.74" (730.00mm)	25.81" (655.57mm)	2.93" (74.43mm)	33rd Wettest	Wettest since: 1977	2019
Mar–Dec 1978 10-Month	29.43" (747.52mm)	27.52" (699.01mm)	1.91" (48.51mm)	88th Driest	Driest since: 1976	1910
Mar–Dec 1978 10-Month	29.43" (747.52mm)	27.52" (699.01mm)	1.91" (48.51mm)	41st Wettest	Wettest since: 1977	2019
Feb–Dec 1978 11-Month	29.93" (760.22mm)	28.54" (724.92mm)	1.39" (35.30mm)	79th Driest	Driest since: 1976	1910
Feb–Dec 1978 11-Month	29.93" (760.22mm)	28.54" (724.92mm)	1.39" (35.30mm)	50th Wettest	Wettest since: 1977	2019
Jan–Dec 1978 12-Month	30.96" (786.38mm)	29.68" (753.87mm)	1.28" (32.51mm)	77th Driest	Driest since: 1976	1910
	30.96" (786.38mm)	29.68" (753.87mm)	1.28" (32.51mm)	52nd Wettest	Wettest since: 1977	2019
	Ties: 1944
Jul 1977–Dec 1978 18-Month	52.09" (1,323.09mm)	45.59" (1,157.99mm)	6.50" (165.10mm)	115th Driest	Driest since: 1977	1976
Jul 1977–Dec 1978 18-Month	52.09" (1,323.09mm)	45.59" (1,157.99mm)	6.50" (165.10mm)	13th Wettest	Wettest since: 1973	2019
Jan 1977–Dec 1978 24-Month	65.99" (1,676.15mm)	59.39" (1,508.51mm)	6.60" (167.64mm)	107th Driest	Driest since: 1977	1989
Jan 1977–Dec 1978 24-Month	65.99" (1,676.15mm)	59.39" (1,508.51mm)	6.60" (167.64mm)	21st Wettest	Wettest since: 1973	2019
Jan 1976–Dec 1978 36-Month	87.47" (2,221.74mm)	89.07" (2,262.38mm)	-1.60" (-40.64mm)	42nd Driest	Driest since: 1976	1989
Jan 1976–Dec 1978 36-Month	87.47" (2,221.74mm)	89.07" (2,262.38mm)	-1.60" (-40.64mm)	85th Wettest	Wettest since: 1977	2019
Jan 1975–Dec 1978 48-Month	118.87" (3,019.30mm)	118.71" (3,015.23mm)	0.16" (4.07mm)	54th Driest	Driest since: 1977	1936
Jan 1975–Dec 1978 48-Month	118.87" (3,019.30mm)	118.71" (3,015.23mm)	0.16" (4.07mm)	72nd Wettest	Wettest since: 1975	2019
Jan 1974–Dec 1978 60-Month	147.52" (3,747.01mm)	148.36" (3,768.34mm)	-0.84" (-21.33mm)	50th Driest	Driest since: 1967	1936
Jan 1974–Dec 1978 60-Month	147.52" (3,747.01mm)	148.36" (3,768.34mm)	-0.84" (-21.33mm)	75th Wettest	Wettest since: 1977	2019

Citing This Page

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