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, December 1900

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1900
1-Month 		0.63"
(16.00mm)		 1.25"
(31.75mm)		 -0.62"
(-15.75mm)		 8th Driest
Driest since:
 1943
121st Wettest
Wettest since:
 2015
Ties: 1919
Nov–Dec 1900
2-Month 		2.16"
(54.86mm)		 3.10"
(78.74mm)		 -0.94"
(-23.88mm)		 22nd Driest
Driest since:
 1976
107th Wettest
Wettest since:
 2015
Oct–Dec 1900
3-Month 		6.12"
(155.45mm)		 5.38"
(136.65mm)		 0.74"
(18.80mm)		 82nd Driest
Driest since:
 1976
47th Wettest
Wettest since:
 1982
Sep–Dec 1900
4-Month 		11.35"
(288.29mm)		 8.74"
(222.00mm)		 2.61"
(66.29mm)		 108th Driest
Driest since:
 1976
21st Wettest
Wettest to Date
 2019
Aug–Dec 1900
5-Month 		16.57"
(420.88mm)		 12.27"
(311.66mm)		 4.30"
(109.22mm)		 120th Driest
Driest since:
 1976
9th Wettest
Wettest to Date
 2019
Jul–Dec 1900
6-Month 		22.45"
(570.23mm)		 15.84"
(402.34mm)		 6.61"
(167.89mm)		 128th Driest
Driest since:
 1976
1st Wettest
Wettest to Date
 1900
Jun–Dec 1900
7-Month 		24.97"
(634.24mm)		 19.89"
(505.21mm)		 5.08"
(129.03mm)		 124th Driest
Driest since:
 1976
5th Wettest
Wettest to Date
 2010
May–Dec 1900
8-Month 		26.84"
(681.74mm)		 23.31"
(592.07mm)		 3.53"
(89.67mm)		 108th Driest
Driest since:
 1976
21st Wettest
Wettest to Date
 2019
Apr–Dec 1900
9-Month 		28.84"
(732.54mm)		 25.81"
(655.57mm)		 3.03"
(76.97mm)		 100th Driest
Driest since:
 1976
29th Wettest
Wettest since:
 2019
Mar–Dec 1900
10-Month 		30.36"
(771.14mm)		 27.52"
(699.01mm)		 2.84"
(72.13mm)		 95th Driest
Driest since:
 1910
34th Wettest
Wettest since:
 2019
Feb–Dec 1900
11-Month 		31.75"
(806.45mm)		 28.54"
(724.92mm)		 3.21"
(81.53mm)		 96th Driest
Driest since:
 1910
33rd Wettest
Wettest since:
 2019
Jan–Dec 1900
12-Month 		32.55"
(826.77mm)		 29.68"
(753.87mm)		 2.87"
(72.90mm)		 97th Driest
Driest since:
 1910
32nd Wettest
Wettest since:
 2019
Jul 1899–Dec 1900
18-Month 		47.01"
(1,194.05mm)		 45.59"
(1,157.99mm)		 1.42"
(36.06mm)		 80th Driest
Driest since:
 1976
48th Wettest
Wettest to Date
 2019
Jan 1899–Dec 1900
24-Month 		62.53"
(1,588.26mm)		 59.39"
(1,508.51mm)		 3.14"
(79.75mm)		 85th Driest
Driest since:
 1989
43rd Wettest
Wettest to Date
 2019
Jan 1898–Dec 1900
36-Month 		90.27"
(2,292.86mm)		 89.07"
(2,262.38mm)		 1.20"
(30.48mm)		 58th Driest
Driest since:
 1989
69th Wettest
Wettest to Date
 2019
Jan 1897–Dec 1900
48-Month 		118.53"
(3,010.66mm)		 118.71"
(3,015.23mm)		 -0.18"
(-4.57mm)		 51st Driest
Driest since:
 1936
75th Wettest
Wettest since:
 2019
Jan 1896–Dec 1900
60-Month 		151.33"
(3,843.78mm)		 148.36"
(3,768.34mm)		 2.97"
(75.44mm)		 68th Driest
Driest since:
 1936
57th Wettest
Wettest to Date
 2019

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