Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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 2015

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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 2015 1-Month	3.47" (88.14mm)	1.25" (31.75mm)	2.22" (56.39mm)	128th Driest	Driest since: 2014	1943
December 2015 1-Month	3.47" (88.14mm)	1.25" (31.75mm)	2.22" (56.39mm)	1st Wettest	Wettest to Date	2015
Nov–Dec 2015 2-Month	6.71" (170.43mm)	3.10" (78.74mm)	3.61" (91.69mm)	128th Driest	Driest since: 2014	1976
Nov–Dec 2015 2-Month	6.71" (170.43mm)	3.10" (78.74mm)	3.61" (91.69mm)	1st Wettest	Wettest to Date	2015
Oct–Dec 2015 3-Month	8.96" (227.58mm)	5.38" (136.65mm)	3.58" (90.93mm)	127th Driest	Driest since: 2014	1976
Oct–Dec 2015 3-Month	8.96" (227.58mm)	5.38" (136.65mm)	3.58" (90.93mm)	2nd Wettest	Wettest since: 1982	1982
Sep–Dec 2015 4-Month	12.41" (315.21mm)	8.74" (222.00mm)	3.67" (93.21mm)	120th Driest	Driest since: 2014	1976
Sep–Dec 2015 4-Month	12.41" (315.21mm)	8.74" (222.00mm)	3.67" (93.21mm)	9th Wettest	Wettest since: 1982	2019
Aug–Dec 2015 5-Month	16.50" (419.10mm)	12.27" (311.66mm)	4.23" (107.44mm)	119th Driest	Driest since: 2014	1976
Aug–Dec 2015 5-Month	16.50" (419.10mm)	12.27" (311.66mm)	4.23" (107.44mm)	10th Wettest	Wettest since: 2007	2019
Jul–Dec 2015 6-Month	20.38" (517.65mm)	15.84" (402.34mm)	4.54" (115.31mm)	120th Driest	Driest since: 2014	1976
Jul–Dec 2015 6-Month	20.38" (517.65mm)	15.84" (402.34mm)	4.54" (115.31mm)	9th Wettest	Wettest since: 2010	1900
Jun–Dec 2015 7-Month	24.96" (633.98mm)	19.89" (505.21mm)	5.07" (128.77mm)	123rd Driest	Driest since: 2014	1976
Jun–Dec 2015 7-Month	24.96" (633.98mm)	19.89" (505.21mm)	5.07" (128.77mm)	6th Wettest	Wettest since: 2010	2010
May–Dec 2015 8-Month	29.80" (756.92mm)	23.31" (592.07mm)	6.49" (164.85mm)	125th Driest	Driest since: 2014	1976
May–Dec 2015 8-Month	29.80" (756.92mm)	23.31" (592.07mm)	6.49" (164.85mm)	4th Wettest	Wettest since: 2010	2019
Apr–Dec 2015 9-Month	32.21" (818.13mm)	25.81" (655.57mm)	6.40" (162.56mm)	124th Driest	Driest since: 2014	1976
Apr–Dec 2015 9-Month	32.21" (818.13mm)	25.81" (655.57mm)	6.40" (162.56mm)	5th Wettest	Wettest since: 2010	2019
Mar–Dec 2015 10-Month	32.89" (835.41mm)	27.52" (699.01mm)	5.37" (136.40mm)	117th Driest	Driest since: 2014	1910
Mar–Dec 2015 10-Month	32.89" (835.41mm)	27.52" (699.01mm)	5.37" (136.40mm)	12th Wettest	Wettest since: 2010	2019
Feb–Dec 2015 11-Month	33.60" (853.44mm)	28.54" (724.92mm)	5.06" (128.52mm)	116th Driest	Driest since: 2013	1910
Feb–Dec 2015 11-Month	33.60" (853.44mm)	28.54" (724.92mm)	5.06" (128.52mm)	13th Wettest	Wettest since: 2014	2019
Jan–Dec 2015 12-Month	34.29" (870.97mm)	29.68" (753.87mm)	4.61" (117.10mm)	115th Driest	Driest since: 2013	1910
Jan–Dec 2015 12-Month	34.29" (870.97mm)	29.68" (753.87mm)	4.61" (117.10mm)	14th Wettest	Wettest since: 2014	2019
Jul 2014–Dec 2015 18-Month	50.76" (1,289.30mm)	45.59" (1,157.99mm)	5.17" (131.31mm)	107th Driest	Driest since: 2014	1976
Jul 2014–Dec 2015 18-Month	50.76" (1,289.30mm)	45.59" (1,157.99mm)	5.17" (131.31mm)	21st Wettest	Wettest since: 2011	2019
Jan 2014–Dec 2015 24-Month	69.02" (1,753.11mm)	59.39" (1,508.51mm)	9.63" (244.60mm)	121st Driest	Driest since: 2014	1989
	69.02" (1,753.11mm)	59.39" (1,508.51mm)	9.63" (244.60mm)	7th Wettest	Wettest since: 1991	2019
	Ties: 1986
Jan 2013–Dec 2015 36-Month	103.00" (2,616.20mm)	89.07" (2,262.38mm)	13.93" (353.82mm)	121st Driest	Driest since: 2014	1989
Jan 2013–Dec 2015 36-Month	103.00" (2,616.20mm)	89.07" (2,262.38mm)	13.93" (353.82mm)	6th Wettest	Wettest to Date	2019
Jan 2012–Dec 2015 48-Month	130.72" (3,320.29mm)	118.71" (3,015.23mm)	12.01" (305.06mm)	112th Driest	Driest since: 2014	1936
Jan 2012–Dec 2015 48-Month	130.72" (3,320.29mm)	118.71" (3,015.23mm)	12.01" (305.06mm)	14th Wettest	Wettest since: 2011	2019
Jan 2011–Dec 2015 60-Month	161.04" (4,090.42mm)	148.36" (3,768.34mm)	12.68" (322.08mm)	109th Driest	Driest since: 2013	1936
Jan 2011–Dec 2015 60-Month	161.04" (4,090.42mm)	148.36" (3,768.34mm)	12.68" (322.08mm)	16th Wettest	Wettest since: 2014	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings