Regional Rankings

Parameter:

Year:

Month:

Region:

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, May 2012

View Period (Months):

All

Download:

Record Driest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 2012 1-Month	4.49" (114.05mm)	3.41" (86.61mm)	1.08" (27.44mm)	103rd Driest	Driest since: 2011	1934
May 2012 1-Month	4.49" (114.05mm)	3.41" (86.61mm)	1.08" (27.44mm)	26th Wettest	Wettest since: 2004	2004
Apr–May 2012 2-Month	7.29" (185.17mm)	5.91" (150.11mm)	1.38" (35.06mm)	102nd Driest	Driest since: 2010	1934
Apr–May 2012 2-Month	7.29" (185.17mm)	5.91" (150.11mm)	1.38" (35.06mm)	27th Wettest	Wettest since: 2011	2013
Mar–May 2012 3-Month	9.28" (235.71mm)	7.63" (193.80mm)	1.65" (41.91mm)	111th Driest	Driest since: 2010	1934
Mar–May 2012 3-Month	9.28" (235.71mm)	7.63" (193.80mm)	1.65" (41.91mm)	18th Wettest	Wettest since: 2011	2013
Feb–May 2012 4-Month	10.62" (269.75mm)	8.65" (219.71mm)	1.97" (50.04mm)	112th Driest	Driest since: 2010	1934
Feb–May 2012 4-Month	10.62" (269.75mm)	8.65" (219.71mm)	1.97" (50.04mm)	17th Wettest	Wettest since: 2011	2013
Jan–May 2012 5-Month	11.66" (296.16mm)	9.79" (248.67mm)	1.87" (47.49mm)	109th Driest	Driest since: 2010	1934
Jan–May 2012 5-Month	11.66" (296.16mm)	9.79" (248.67mm)	1.87" (47.49mm)	20th Wettest	Wettest since: 2011	2013
Dec 2011–May 2012 6-Month	13.02" (330.71mm)	11.04" (280.42mm)	1.98" (50.29mm)	106th Driest	Driest since: 2010	1934
	13.02" (330.71mm)	11.04" (280.42mm)	1.98" (50.29mm)	22nd Wettest	Wettest since: 2011	2013
	Ties: 1945, 1985, 1993
Nov 2011–May 2012 7-Month	14.75" (374.65mm)	12.87" (326.90mm)	1.88" (47.75mm)	99th Driest	Driest since: 2010	1934
Nov 2011–May 2012 7-Month	14.75" (374.65mm)	12.87" (326.90mm)	1.88" (47.75mm)	29th Wettest	Wettest since: 2011	2013
Oct 2011–May 2012 8-Month	16.34" (415.04mm)	15.17" (385.32mm)	1.17" (29.72mm)	77th Driest	Driest since: 2005	1925
Oct 2011–May 2012 8-Month	16.34" (415.04mm)	15.17" (385.32mm)	1.17" (29.72mm)	51st Wettest	Wettest since: 2011	2019
Sep 2011–May 2012 9-Month	18.64" (473.46mm)	18.56" (471.42mm)	0.08" (2.04mm)	59th Driest	Driest since: 2010	1925
Sep 2011–May 2012 9-Month	18.64" (473.46mm)	18.56" (471.42mm)	0.08" (2.04mm)	69th Wettest	Wettest since: 2011	2019
Aug 2011–May 2012 10-Month	21.60" (548.64mm)	22.11" (561.59mm)	-0.51" (-12.95mm)	46th Driest	Driest since: 2003	1931
Aug 2011–May 2012 10-Month	21.60" (548.64mm)	22.11" (561.59mm)	-0.51" (-12.95mm)	82nd Wettest	Wettest since: 2011	2019
Jul 2011–May 2012 11-Month	25.59" (649.99mm)	25.70" (652.78mm)	-0.11" (-2.79mm)	55th Driest	Driest since: 2003	1931
	25.59" (649.99mm)	25.70" (652.78mm)	-0.11" (-2.79mm)	73rd Wettest	Wettest since: 2011	2019
	Ties: 1976
Jun 2011–May 2012 12-Month	30.11" (764.79mm)	29.72" (754.89mm)	0.39" (9.90mm)	65th Driest	Driest since: 2010	1934
Jun 2011–May 2012 12-Month	30.11" (764.79mm)	29.72" (754.89mm)	0.39" (9.90mm)	63rd Wettest	Wettest since: 2011	2019
Dec 2010–May 2012 18-Month	43.54" (1,105.92mm)	40.74" (1,034.80mm)	2.80" (71.12mm)	86th Driest	Driest since: 2010	1911
Dec 2010–May 2012 18-Month	43.54" (1,105.92mm)	40.74" (1,034.80mm)	2.80" (71.12mm)	41st Wettest	Wettest since: 2011	2017
Jun 2010–May 2012 24-Month	70.01" (1,778.25mm)	59.42" (1,509.27mm)	10.59" (268.98mm)	123rd Driest	Driest since: 2011	1931
Jun 2010–May 2012 24-Month	70.01" (1,778.25mm)	59.42" (1,509.27mm)	10.59" (268.98mm)	4th Wettest	Wettest to Date	2020
Jun 2009–May 2012 36-Month	99.98" (2,539.49mm)	89.09" (2,262.89mm)	10.89" (276.60mm)	116th Driest	Driest since: 2010	1935
Jun 2009–May 2012 36-Month	99.98" (2,539.49mm)	89.09" (2,262.89mm)	10.89" (276.60mm)	10th Wettest	Wettest since: 2011	2019
Jun 2008–May 2012 48-Month	132.83" (3,373.88mm)	118.72" (3,015.49mm)	14.11" (358.39mm)	114th Driest	Driest since: 2010	1934
Jun 2008–May 2012 48-Month	132.83" (3,373.88mm)	118.72" (3,015.49mm)	14.11" (358.39mm)	11th Wettest	Wettest since: 2011	2020
Jun 2007–May 2012 60-Month	166.77" (4,235.96mm)	148.35" (3,768.09mm)	18.42" (467.87mm)	116th Driest	Driest since: 2011	1934
Jun 2007–May 2012 60-Month	166.77" (4,235.96mm)	148.35" (3,768.09mm)	18.42" (467.87mm)	8th Wettest	Wettest since: 1986	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings