Regional Rankings

Regional Data Info
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, January 2020

View Period (Months):
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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
January 2020
1-Month 		1.55"
(39.37mm)		 1.14"
(28.96mm)		 0.41"
(10.41mm)		 106th Driest
Driest since:
 1981
23rd Wettest
Wettest since:
 1969
Ties: 1935
Dec 2019–Jan 2020
2-Month 		3.80"
(96.52mm)		 2.39"
(60.71mm)		 1.41"
(35.81mm)		 125th Driest
Driest since:
 1961
3rd Wettest
Wettest since:
 1969
Nov 2019–Jan 2020
3-Month 		5.57"
(141.48mm)		 4.22"
(107.19mm)		 1.35"
(34.29mm)		 114th Driest
Driest since:
 2003
14th Wettest
Wettest since:
 2016
Ties: 1984
Oct 2019–Jan 2020
4-Month 		10.36"
(263.14mm)		 6.52"
(165.61mm)		 3.84"
(97.53mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Sep 2019–Jan 2020
5-Month 		16.49"
(418.85mm)		 9.90"
(251.46mm)		 6.59"
(167.39mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Aug 2019–Jan 2020
6-Month 		19.71"
(500.63mm)		 13.46"
(341.88mm)		 6.25"
(158.75mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Jul 2019–Jan 2020
7-Month 		23.84"
(605.54mm)		 17.05"
(433.07mm)		 6.79"
(172.47mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Jun 2019–Jan 2020
8-Month 		27.68"
(703.07mm)		 21.07"
(535.18mm)		 6.61"
(167.89mm)		 124th Driest
Driest since:
 1977
4th Wettest
Wettest since:
 2011
May 2019–Jan 2020
9-Month 		33.16"
(842.26mm)		 24.46"
(621.28mm)		 8.70"
(220.98mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Apr 2019–Jan 2020
10-Month 		36.38"
(924.05mm)		 26.96"
(684.78mm)		 9.42"
(239.27mm)		 127th Driest
Driest since:
 1977
1st Wettest
Wettest to Date
 2020
Mar 2019–Jan 2020
11-Month 		38.12"
(968.25mm)		 28.68"
(728.47mm)		 9.44"
(239.78mm)		 127th Driest
Driest since:
 1911
1st Wettest
Wettest to Date
 2020
Feb 2019–Jan 2020
12-Month 		40.56"
(1,030.22mm)		 29.70"
(754.38mm)		 10.86"
(275.84mm)		 127th Driest
Driest since:
 1911
1st Wettest
Wettest to Date
 2020
Aug 2018–Jan 2020
18-Month 		59.90"
(1,521.46mm)		 43.18"
(1,096.77mm)		 16.72"
(424.69mm)		 126th Driest
Driest since:
 1911
1st Wettest
Wettest to Date
 2020
Feb 2018–Jan 2020
24-Month 		77.75"
(1,974.85mm)		 59.40"
(1,508.76mm)		 18.35"
(466.09mm)		 126th Driest
Driest since:
 1931
1st Wettest
Wettest to Date
 2020
Feb 2017–Jan 2020
36-Month 		110.82"
(2,814.83mm)		 89.04"
(2,261.62mm)		 21.78"
(553.21mm)		 125th Driest
Driest since:
 1935
1st Wettest
Wettest to Date
 2020
Feb 2016–Jan 2020
48-Month 		148.07"
(3,760.98mm)		 118.69"
(3,014.73mm)		 29.38"
(746.25mm)		 124th Driest
Driest since:
 1937
1st Wettest
Wettest to Date
 2020
Feb 2015–Jan 2020
60-Month 		182.56"
(4,637.02mm)		 148.35"
(3,768.09mm)		 34.21"
(868.93mm)		 123rd Driest
Driest since:
 1934
1st Wettest
Wettest to Date
 2020

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