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, January 1991

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
January 1991
1-Month		0.76"
(19.30mm)		1.14"
(28.96mm)		-0.38"
(-9.66mm)		29th Driest
Driest since:
1981
101st Wettest
Wettest since:
1969
Dec 1990–Jan 1991
2-Month		2.25"
(57.15mm)		2.39"
(60.71mm)		-0.14"
(-3.56mm)		55th Driest
Driest since:
1961
74th Wettest
Wettest since:
1969
Ties: 1936
Nov 1990–Jan 1991
3-Month		3.81"
(96.77mm)		4.22"
(107.19mm)		-0.41"
(-10.42mm)		48th Driest
Driest since:
2003
81st Wettest
Wettest since:
2016
Ties: 2022
Oct 1990–Jan 1991
4-Month		6.67"
(169.42mm)		6.52"
(165.61mm)		0.15"
(3.81mm)		64th Driest
Driest since:
1977
65th Wettest
Wettest since:
2020
Sep 1990–Jan 1991
5-Month		9.26"
(235.20mm)		9.90"
(251.46mm)		-0.64"
(-16.26mm)		54th Driest
Driest since:
1977
75th Wettest
Wettest since:
2020
Aug 1990–Jan 1991
6-Month		13.07"
(331.98mm)		13.46"
(341.88mm)		-0.39"
(-9.90mm)		56th Driest
Driest since:
1977
73rd Wettest
Wettest since:
2020
Jul 1990–Jan 1991
7-Month		16.96"
(430.78mm)		17.05"
(433.07mm)		-0.09"
(-2.29mm)		65th Driest
Driest since:
1977
64th Wettest
Wettest since:
2020
Jun 1990–Jan 1991
8-Month		23.15"
(588.01mm)		21.07"
(535.18mm)		2.08"
(52.83mm)		95th Driest
Driest since:
1977
34th Wettest
Wettest since:
2011
May 1990–Jan 1991
9-Month		27.09"
(688.09mm)		24.46"
(621.28mm)		2.63"
(66.81mm)		96th Driest
Driest since:
1977
33rd Wettest
Wettest since:
2020
Apr 1990–Jan 1991
10-Month		29.53"
(750.06mm)		26.96"
(684.78mm)		2.57"
(65.28mm)		89th Driest
Driest since:
1977
40th Wettest
Wettest since:
2020
Mar 1990–Jan 1991
11-Month		32.34"
(821.44mm)		28.68"
(728.47mm)		3.66"
(92.97mm)		105th Driest
Driest since:
1911
24th Wettest
Wettest since:
2020
Feb 1990–Jan 1991
12-Month		33.29"
(845.57mm)		29.70"
(754.38mm)		3.59"
(91.19mm)		103rd Driest
Driest since:
1911
26th Wettest
Wettest since:
2020
Aug 1989–Jan 1991
18-Month		44.61"
(1,133.09mm)		43.18"
(1,096.77mm)		1.43"
(36.32mm)		75th Driest
Driest since:
1911
53rd Wettest
Wettest since:
2020
Feb 1989–Jan 1991
24-Month		57.82"
(1,468.63mm)		59.40"
(1,508.76mm)		-1.58"
(-40.13mm)		40th Driest
Driest since:
1931
88th Wettest
Wettest since:
2020
Feb 1988–Jan 1991
36-Month		82.87"
(2,104.90mm)		89.04"
(2,261.62mm)		-6.17"
(-156.72mm)		19th Driest
Driest since:
1935
108th Wettest
Wettest since:
2020
Feb 1987–Jan 1991
48-Month		111.18"
(2,823.97mm)		118.69"
(3,014.73mm)		-7.51"
(-190.76mm)		16th Driest
Driest since:
1937
110th Wettest
Wettest since:
2020
Feb 1986–Jan 1991
60-Month		146.08"
(3,710.43mm)		148.35"
(3,768.09mm)		-2.27"
(-57.66mm)		39th Driest
Driest since:
1934
86th Wettest
Wettest since:
2020

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