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.

Ohio Valley Climate Region

Precipitation Rankings, December 1907

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
December 1907
1-Month
2.97"
(75.44mm)
3.11"
(78.99mm)
-0.14"
(-3.55mm)
56th Driest
Driest since:
1958
73rd Wettest
Wettest since:
1990
Ties: 1920, 1993
Nov–Dec 1907
2-Month
5.93"
(150.62mm)
6.23"
(158.24mm)
-0.30"
(-7.62mm)
60th Driest
Driest since:
1976
69th Wettest
Wettest since:
2015
Oct–Dec 1907
3-Month
8.39"
(213.11mm)
9.13"
(231.90mm)
-0.74"
(-18.79mm)
44th Driest
Driest since:
1963
85th Wettest
Wettest since:
1990
Sep–Dec 1907
4-Month
11.59"
(294.39mm)
12.60"
(320.04mm)
-1.01"
(-25.65mm)
49th Driest
Driest since:
1963
80th Wettest
Wettest since:
1926
Aug–Dec 1907
5-Month
15.69"
(398.53mm)
16.27"
(413.26mm)
-0.58"
(-14.73mm)
54th Driest
Driest since:
1953
75th Wettest
Wettest since:
1926
Jul–Dec 1907
6-Month
20.83"
(529.08mm)
20.27"
(514.86mm)
0.56"
(14.22mm)
69th Driest
Driest since:
1953
60th Wettest
Wettest since:
1926
Jun–Dec 1907
7-Month
25.81"
(655.57mm)
24.52"
(622.81mm)
1.29"
(32.76mm)
72nd Driest
Driest since:
1953
57th Wettest
Wettest since:
2015
May–Dec 1907
8-Month
30.42"
(772.67mm)
28.79"
(731.27mm)
1.63"
(41.40mm)
71st Driest
Driest since:
1953
58th Wettest
Wettest since:
2015
Apr–Dec 1907
9-Month
33.62"
(853.95mm)
32.70"
(830.58mm)
0.92"
(23.37mm)
66th Driest
Driest since:
1930
63rd Wettest
Wettest since:
2015
Mar–Dec 1907
10-Month
37.62"
(955.55mm)
36.51"
(927.35mm)
1.11"
(28.20mm)
72nd Driest
Driest since:
1930
57th Wettest
Wettest since:
2011
Feb–Dec 1907
11-Month
39.36"
(999.74mm)
39.19"
(995.43mm)
0.17"
(4.31mm)
62nd Driest
Driest since:
1930
67th Wettest
Wettest since:
2011
Jan–Dec 1907
12-Month
44.95"
(1,141.73mm)
42.23"
(1,072.64mm)
2.72"
(69.09mm)
89th Driest
Driest since:
1930
40th Wettest
Wettest since:
2019
Jul 1906–Dec 1907
18-Month
69.06"
(1,754.12mm)
62.51"
(1,587.75mm)
6.55"
(166.37mm)
108th Driest
Driest since:
1953
20th Wettest
Wettest to Date
2019
Jan 1906–Dec 1907
24-Month
87.61"
(2,225.29mm)
84.45"
(2,145.03mm)
3.16"
(80.26mm)
82nd Driest
Driest since:
1953
46th Wettest
Wettest since:
2019
Jan 1905–Dec 1907
36-Month
131.89"
(3,350.01mm)
126.69"
(3,217.93mm)
5.20"
(132.08mm)
84th Driest
Driest since:
1954
43rd Wettest
Wettest since:
2020
Jan 1904–Dec 1907
48-Month
169.95"
(4,316.73mm)
168.95"
(4,291.33mm)
1.00"
(25.40mm)
58th Driest
Driest since:
1955
68th Wettest
Wettest since:
2021
Jan 1903–Dec 1907
60-Month
210.06"
(5,335.52mm)
211.20"
(5,364.48mm)
-1.14"
(-28.96mm)
49th Driest
Driest since:
1956
76th Wettest
Wettest since:
2021

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