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, December 1964

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1964
1-Month		1.21"
(30.73mm)		1.25"
(31.75mm)		-0.04"
(-1.02mm)		58th Driest
Driest since:
1943
71st Wettest
Wettest since:
2015
Nov–Dec 1964
2-Month		2.83"
(71.88mm)		3.10"
(78.74mm)		-0.27"
(-6.86mm)		51st Driest
Driest since:
1976
78th Wettest
Wettest since:
2015
Ties: 1941
Oct–Dec 1964
3-Month		3.43"
(87.12mm)		5.38"
(136.65mm)		-1.95"
(-49.53mm)		10th Driest
Driest since:
1976
119th Wettest
Wettest since:
1982
Sep–Dec 1964
4-Month		7.76"
(197.10mm)		8.74"
(222.00mm)		-0.98"
(-24.90mm)		41st Driest
Driest since:
1976
88th Wettest
Wettest since:
2019
Aug–Dec 1964
5-Month		11.95"
(303.53mm)		12.27"
(311.66mm)		-0.32"
(-8.13mm)		55th Driest
Driest since:
1976
74th Wettest
Wettest since:
2019
Ties: 2000
Jul–Dec 1964
6-Month		15.27"
(387.86mm)		15.84"
(402.34mm)		-0.57"
(-14.48mm)		58th Driest
Driest since:
1976
71st Wettest
Wettest since:
1900
Jun–Dec 1964
7-Month		18.70"
(474.98mm)		19.89"
(505.21mm)		-1.19"
(-30.23mm)		42nd Driest
Driest since:
1976
87th Wettest
Wettest since:
2010
May–Dec 1964
8-Month		22.31"
(566.67mm)		23.31"
(592.07mm)		-1.00"
(-25.40mm)		43rd Driest
Driest since:
1976
86th Wettest
Wettest since:
2019
Ties: 1913
Apr–Dec 1964
9-Month		26.10"
(662.94mm)		25.81"
(655.57mm)		0.29"
(7.37mm)		64th Driest
Driest since:
1976
65th Wettest
Wettest since:
2019
Mar–Dec 1964
10-Month		27.60"
(701.04mm)		27.52"
(699.01mm)		0.08"
(2.03mm)		60th Driest
Driest since:
1910
69th Wettest
Wettest since:
2019
Feb–Dec 1964
11-Month		27.93"
(709.42mm)		28.54"
(724.92mm)		-0.61"
(-15.50mm)		49th Driest
Driest since:
1910
80th Wettest
Wettest since:
2019
Ties: 1927
Jan–Dec 1964
12-Month		28.64"
(727.46mm)		29.68"
(753.87mm)		-1.04"
(-26.41mm)		42nd Driest
Driest since:
1910
87th Wettest
Wettest since:
2019
Jul 1963–Dec 1964
18-Month		41.74"
(1,060.20mm)		45.59"
(1,157.99mm)		-3.85"
(-97.79mm)		25th Driest
Driest since:
1976
103rd Wettest
Wettest since:
2019
Jan 1963–Dec 1964
24-Month		53.49"
(1,358.65mm)		59.39"
(1,508.51mm)		-5.90"
(-149.86mm)		14th Driest
Driest since:
1989
114th Wettest
Wettest since:
2019
Jan 1962–Dec 1964
36-Month		82.14"
(2,086.36mm)		89.07"
(2,262.38mm)		-6.93"
(-176.02mm)		16th Driest
Driest since:
1989
111th Wettest
Wettest since:
2019
Jan 1961–Dec 1964
48-Month		112.07"
(2,846.58mm)		118.71"
(3,015.23mm)		-6.64"
(-168.65mm)		19th Driest
Driest since:
1936
107th Wettest
Wettest since:
2019
Jan 1960–Dec 1964
60-Month		142.17"
(3,611.12mm)		148.36"
(3,768.34mm)		-6.19"
(-157.22mm)		25th Driest
Driest since:
1936
100th Wettest
Wettest since:
2019

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