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 1915

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1915
1-Month
0.90"
(22.86mm)
1.25"
(31.75mm)
-0.35"
(-8.89mm)
29th Driest
Driest since:
1943
99th Wettest
Wettest since:
2015
Ties: 1929
Nov–Dec 1915
2-Month
3.22"
(81.79mm)
3.10"
(78.74mm)
0.12"
(3.05mm)
73rd Driest
Driest since:
1976
55th Wettest
Wettest since:
2015
Oct–Dec 1915
3-Month
5.01"
(127.25mm)
5.38"
(136.65mm)
-0.37"
(-9.40mm)
49th Driest
Driest since:
1976
79th Wettest
Wettest since:
1982
Sep–Dec 1915
4-Month
9.53"
(242.06mm)
8.74"
(222.00mm)
0.79"
(20.06mm)
84th Driest
Driest since:
1976
44th Wettest
Wettest since:
2019
Aug–Dec 1915
5-Month
12.40"
(314.96mm)
12.27"
(311.66mm)
0.13"
(3.30mm)
64th Driest
Driest since:
1976
64th Wettest
Wettest since:
2019
Jul–Dec 1915
6-Month
17.13"
(435.10mm)
15.84"
(402.34mm)
1.29"
(32.76mm)
87th Driest
Driest since:
1976
41st Wettest
Wettest since:
1900
Jun–Dec 1915
7-Month
22.02"
(559.31mm)
19.89"
(505.21mm)
2.13"
(54.10mm)
96th Driest
Driest since:
1976
32nd Wettest
Wettest since:
2010
May–Dec 1915
8-Month
26.74"
(679.20mm)
23.31"
(592.07mm)
3.43"
(87.13mm)
105th Driest
Driest since:
1976
23rd Wettest
Wettest since:
2019
Apr–Dec 1915
9-Month
28.03"
(711.96mm)
25.81"
(655.57mm)
2.22"
(56.39mm)
89th Driest
Driest since:
1976
39th Wettest
Wettest since:
2019
Mar–Dec 1915
10-Month
28.69"
(728.73mm)
27.52"
(699.01mm)
1.17"
(29.72mm)
75th Driest
Driest since:
1910
53rd Wettest
Wettest since:
2019
Feb–Dec 1915
11-Month
30.70"
(779.78mm)
28.54"
(724.92mm)
2.16"
(54.86mm)
86th Driest
Driest since:
1910
42nd Wettest
Wettest since:
2019
Jan–Dec 1915
12-Month
31.91"
(810.51mm)
29.68"
(753.87mm)
2.23"
(56.64mm)
89th Driest
Driest since:
1910
39th Wettest
Wettest since:
2019
Jul 1914–Dec 1915
18-Month
46.51"
(1,181.35mm)
45.59"
(1,157.99mm)
0.92"
(23.36mm)
66th Driest
Driest since:
1976
61st Wettest
Wettest since:
2019
Jan 1914–Dec 1915
24-Month
61.76"
(1,568.70mm)
59.39"
(1,508.51mm)
2.37"
(60.19mm)
76th Driest
Driest since:
1989
51st Wettest
Wettest since:
2019
Jan 1913–Dec 1915
36-Month
90.50"
(2,298.70mm)
89.07"
(2,262.38mm)
1.43"
(36.32mm)
59th Driest
Driest since:
1989
67th Wettest
Wettest since:
2019
Jan 1912–Dec 1915
48-Month
118.37"
(3,006.60mm)
118.71"
(3,015.23mm)
-0.34"
(-8.63mm)
50th Driest
Driest since:
1936
75th Wettest
Wettest since:
2019
Jan 1911–Dec 1915
60-Month
150.03"
(3,810.76mm)
148.36"
(3,768.34mm)
1.67"
(42.42mm)
60th Driest
Driest since:
1936
64th Wettest
Wettest since:
2019

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