Regional Rankings

Regional Data Info
Please note, 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

December 2018 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2024)
Driest/Wettest
Since
Record
December 2018
1-Month
1.67in
(42.42mm)
1.25in
(31.75mm)
0.42in101st Driest
Driest since:
1943
30th Wettest
Wettest since:
2015
Ties: 1992
Nov–Dec 2018
2-Month
3.42in
(86.87mm)
3.10in
(78.74mm)
0.32in86th Driest
Driest since:
1976
45th Wettest
Wettest since:
2015
Oct–Dec 2018
3-Month
7.95in
(201.93mm)
5.38in
(136.65mm)
2.57in120th Driest
Driest since:
1976
11th Wettest
Wettest since:
1982
Sep–Dec 2018
4-Month
13.20in
(335.28mm)
8.74in
(222.00mm)
4.46in129th Driest
Driest since:
1976
2nd Wettest
Wettest since:
2019
Ties: 1941
Aug–Dec 2018
5-Month
18.01in
(457.45mm)
12.27in
(311.66mm)
5.74in129th Driest
Driest since:
1976
2nd WettestWettest to Date2019
Jul–Dec 2018
6-Month
21.47in
(545.34mm)
15.84in
(402.34mm)
5.63in127th Driest
Driest since:
1976
4th Wettest
Wettest since:
1900
Jun–Dec 2018
7-Month
26.91in
(683.51mm)
19.89in
(505.21mm)
7.02in129th Driest
Driest since:
1976
2nd Wettest
Wettest since:
2010
May–Dec 2018
8-Month
30.88in
(784.35mm)
23.31in
(592.07mm)
7.57in128th Driest
Driest since:
1976
3rd Wettest
Wettest since:
2019
Apr–Dec 2018
9-Month
32.83in
(833.88mm)
25.81in
(655.57mm)
7.02in128th Driest
Driest since:
1976
3rd Wettest
Wettest since:
2019
Mar–Dec 2018
10-Month
34.18in
(868.17mm)
27.52in
(699.01mm)
6.66in127th Driest
Driest since:
1910
4th Wettest
Wettest since:
2019
Feb–Dec 2018
11-Month
35.86in
(910.84mm)
28.54in
(724.92mm)
7.32in129th Driest
Driest since:
1910
2nd WettestWettest to Date2019
Jan–Dec 2018
12-Month
36.94in
(938.28mm)
29.68in
(753.87mm)
7.26in129th Driest
Driest since:
1910
2nd WettestWettest to Date2019
Jul 2017–Dec 2018
18-Month
53.63in
(1,362.20mm)
45.59in8.04in121st Driest
Driest since:
1976
9th Wettest
Wettest since:
2019
Jan 2017–Dec 2018
24-Month
70.68in
(1,795.27mm)
59.38in11.30in128th Driest
Driest since:
1989
2nd Wettest
Wettest since:
2019
Ties: 2016
Jan 2016–Dec 2018
36-Month
107.07in
(2,719.58mm)
89.07in18.00in126th Driest
Driest since:
1989
3rd WettestWettest to Date2019
Jan 2015–Dec 2018
48-Month
141.36in
(3,590.54mm)
118.71in22.65in126th Driest
Driest since:
1936
2nd WettestWettest to Date2019
Jan 2014–Dec 2018
60-Month
176.09in
(4,472.69mm)
148.35in27.74in124th Driest
Driest since:
1934, 1936
3rd WettestWettest to Date2019

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