Regional Rankings

Regional Data Info
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, October 1900

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1900
1-Month 		3.96"
(100.58mm)		 2.28"
(57.91mm)		 1.68"
(42.67mm)		 119th Driest
Driest since:
 1952
10th Wettest
Wettest to Date
 2009
Sep–Oct 1900
2-Month 		9.19"
(233.43mm)		 5.64"
(143.26mm)		 3.55"
(90.17mm)		 124th Driest
Driest since:
 1952
5th Wettest
Wettest to Date
 2019
Aug–Oct 1900
3-Month 		14.41"
(366.01mm)		 9.17"
(232.92mm)		 5.24"
(133.09mm)		 127th Driest
Driest since:
 1976
2nd Wettest
Wettest to Date
 2018
Jul–Oct 1900
4-Month 		20.29"
(515.37mm)		 12.74"
(323.60mm)		 7.55"
(191.77mm)		 128th Driest
Driest since:
 1976
1st Wettest
Wettest to Date
 1900
Jun–Oct 1900
5-Month 		22.81"
(579.37mm)		 16.79"
(426.47mm)		 6.02"
(152.90mm)		 126th Driest
Driest since:
 1976
3rd Wettest
Wettest to Date
 2010
May–Oct 1900
6-Month 		24.68"
(626.87mm)		 20.21"
(513.33mm)		 4.47"
(113.54mm)		 120th Driest
Driest since:
 1976
9th Wettest
Wettest to Date
 2010
Apr–Oct 1900
7-Month 		26.68"
(677.67mm)		 22.71"
(576.83mm)		 3.97"
(100.84mm)		 117th Driest
Driest since:
 1976
12th Wettest
Wettest to Date
 2019
Ties: 2017
Mar–Oct 1900
8-Month 		28.20"
(716.28mm)		 24.42"
(620.27mm)		 3.78"
(96.01mm)		 110th Driest
Driest since:
 1910
19th Wettest
Wettest to Date
 2019
Feb–Oct 1900
9-Month 		29.59"
(751.59mm)		 25.44"
(646.18mm)		 4.15"
(105.41mm)		 113th Driest
Driest since:
 1910
16th Wettest
Wettest to Date
 2019
Jan–Oct 1900
10-Month 		30.39"
(771.91mm)		 26.59"
(675.39mm)		 3.80"
(96.52mm)		 109th Driest
Driest since:
 1910
20th Wettest
Wettest to Date
 2019
Dec 1899–Oct 1900
11-Month 		31.98"
(812.29mm)		 27.83"
(706.88mm)		 4.15"
(105.41mm)		 110th Driest
Driest since:
 1910
18th Wettest
Wettest to Date
 2019
Nov 1899–Oct 1900
12-Month 		32.91"
(835.91mm)		 29.66"
(753.36mm)		 3.25"
(82.55mm)		 103rd Driest
Driest since:
 1934
25th Wettest
Wettest to Date
 2019
May 1899–Oct 1900
18-Month 		54.52"
(1,384.81mm)		 49.91"
(1,267.71mm)		 4.61"
(117.10mm)		 99th Driest
Driest since:
 1934
29th Wettest
Wettest to Date
 2019
Nov 1898–Oct 1900
24-Month 		62.56"
(1,589.02mm)		 59.37"
(1,508.00mm)		 3.19"
(81.02mm)		 88th Driest
Driest since:
 1934
39th Wettest
Wettest to Date
 2019
Nov 1897–Oct 1900
36-Month 		90.62"
(2,301.75mm)		 89.05"
(2,261.87mm)		 1.57"
(39.88mm)		 62nd Driest
Driest since:
 1931
64th Wettest
Wettest to Date
 2019
Nov 1896–Oct 1900
48-Month 		120.04"
(3,049.02mm)		 118.70"
(3,014.98mm)		 1.34"
(34.04mm)		 60th Driest
Driest since:
 1936
65th Wettest
Wettest to Date
 2019
Nov 1895–Oct 1900
60-Month 		152.49"
(3,873.25mm)		 148.34"
(3,767.84mm)		 4.15"
(105.41mm)		 72nd Driest
Driest to Date
 1934
52nd Wettest
Wettest to Date
 2020

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