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 2015

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 2015
1-Month
3.47"
(88.14mm)
1.25"
(31.75mm)
2.22"
(56.39mm)
128th Driest
Driest since:
1943
1st Wettest
Wettest to Date
2015
Nov–Dec 2015
2-Month
6.71"
(170.43mm)
3.10"
(78.74mm)
3.61"
(91.69mm)
128th Driest
Driest since:
1976
1st Wettest
Wettest to Date
2015
Oct–Dec 2015
3-Month
8.96"
(227.58mm)
5.38"
(136.65mm)
3.58"
(90.93mm)
127th Driest
Driest since:
1976
2nd Wettest
Wettest since:
1982
Sep–Dec 2015
4-Month
12.41"
(315.21mm)
8.74"
(222.00mm)
3.67"
(93.21mm)
120th Driest
Driest since:
1976
9th Wettest
Wettest since:
2019
Aug–Dec 2015
5-Month
16.50"
(419.10mm)
12.27"
(311.66mm)
4.23"
(107.44mm)
119th Driest
Driest since:
1976
10th Wettest
Wettest since:
2019
Jul–Dec 2015
6-Month
20.38"
(517.65mm)
15.84"
(402.34mm)
4.54"
(115.31mm)
120th Driest
Driest since:
1976
9th Wettest
Wettest since:
1900
Jun–Dec 2015
7-Month
24.96"
(633.98mm)
19.89"
(505.21mm)
5.07"
(128.77mm)
123rd Driest
Driest since:
1976
6th Wettest
Wettest since:
2010
May–Dec 2015
8-Month
29.80"
(756.92mm)
23.31"
(592.07mm)
6.49"
(164.85mm)
125th Driest
Driest since:
1976
4th Wettest
Wettest since:
2019
Apr–Dec 2015
9-Month
32.21"
(818.13mm)
25.81"
(655.57mm)
6.40"
(162.56mm)
124th Driest
Driest since:
1976
5th Wettest
Wettest since:
2019
Mar–Dec 2015
10-Month
32.89"
(835.41mm)
27.52"
(699.01mm)
5.37"
(136.40mm)
117th Driest
Driest since:
1910
12th Wettest
Wettest since:
2019
Feb–Dec 2015
11-Month
33.60"
(853.44mm)
28.54"
(724.92mm)
5.06"
(128.52mm)
116th Driest
Driest since:
1910
13th Wettest
Wettest since:
2019
Jan–Dec 2015
12-Month
34.29"
(870.97mm)
29.68"
(753.87mm)
4.61"
(117.10mm)
115th Driest
Driest since:
1910
14th Wettest
Wettest since:
2019
Jul 2014–Dec 2015
18-Month
50.76"
(1,289.30mm)
45.59"
(1,157.99mm)
5.17"
(131.31mm)
107th Driest
Driest since:
1976
21st Wettest
Wettest since:
2019
Jan 2014–Dec 2015
24-Month
69.02"
(1,753.11mm)
59.39"
(1,508.51mm)
9.63"
(244.60mm)
121st Driest
Driest since:
1989
7th Wettest
Wettest since:
2019
Ties: 1986
Jan 2013–Dec 2015
36-Month
103.00"
(2,616.20mm)
89.07"
(2,262.38mm)
13.93"
(353.82mm)
121st Driest
Driest since:
1989
6th Wettest
Wettest to Date
2019
Jan 2012–Dec 2015
48-Month
130.72"
(3,320.29mm)
118.71"
(3,015.23mm)
12.01"
(305.06mm)
112th Driest
Driest since:
1936
14th Wettest
Wettest since:
2019
Jan 2011–Dec 2015
60-Month
161.04"
(4,090.42mm)
148.36"
(3,768.34mm)
12.68"
(322.08mm)
109th Driest
Driest since:
1936
16th Wettest
Wettest since:
2019

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