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, January 1927

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 1927
1-Month
3.54"
(89.92mm)
3.04"
(77.22mm)
0.50"
(12.70mm)
88th Driest
Driest since:
1981
42nd Wettest
Wettest since:
1937
Dec 1926–Jan 1927
2-Month
7.52"
(191.01mm)
6.14"
(155.96mm)
1.38"
(35.05mm)
103rd Driest
Driest since:
1981
26th Wettest
Wettest since:
1937
Nov 1926–Jan 1927
3-Month
10.87"
(276.10mm)
9.28"
(235.71mm)
1.59"
(40.39mm)
102nd Driest
Driest since:
1977
27th Wettest
Wettest since:
1937
Ties: 1924
Oct 1926–Jan 1927
4-Month
15.61"
(396.49mm)
12.19"
(309.63mm)
3.42"
(86.86mm)
111th Driest
Driest since:
1964
18th Wettest
Wettest since:
1937
Sep 1926–Jan 1927
5-Month
22.42"
(569.47mm)
15.66"
(397.76mm)
6.76"
(171.71mm)
127th Driest
Driest since:
1964
2nd Wettest
Wettest to Date
1937
Aug 1926–Jan 1927
6-Month
28.63"
(727.20mm)
19.33"
(490.98mm)
9.30"
(236.22mm)
128th Driest
Driest since:
1964
1st Wettest
Wettest to Date
1927
Jul 1926–Jan 1927
7-Month
32.24"
(818.90mm)
23.32"
(592.33mm)
8.92"
(226.57mm)
127th Driest
Driest since:
1931
2nd Wettest
Wettest since:
1916
Jun 1926–Jan 1927
8-Month
35.94"
(912.88mm)
27.57"
(700.28mm)
8.37"
(212.60mm)
126th Driest
Driest since:
1931
3rd Wettest
Wettest since:
1916
May 1926–Jan 1927
9-Month
38.49"
(977.65mm)
31.83"
(808.48mm)
6.66"
(169.17mm)
118th Driest
Driest since:
1931
11th Wettest
Wettest since:
1916
Apr 1926–Jan 1927
10-Month
41.36"
(1,050.54mm)
35.74"
(907.80mm)
5.62"
(142.74mm)
110th Driest
Driest since:
1931
19th Wettest
Wettest since:
2012
Mar 1926–Jan 1927
11-Month
44.28"
(1,124.71mm)
39.54"
(1,004.32mm)
4.74"
(120.39mm)
104th Driest
Driest since:
1931
25th Wettest
Wettest since:
1974
Ties: 1958
Feb 1926–Jan 1927
12-Month
47.00"
(1,193.80mm)
42.22"
(1,072.39mm)
4.78"
(121.41mm)
101st Driest
Driest since:
1931
28th Wettest
Wettest since:
2012
Ties: 1982
Aug 1925–Jan 1927
18-Month
67.25"
(1,708.15mm)
61.56"
(1,563.62mm)
5.69"
(144.53mm)
100th Driest
Driest since:
1931
28th Wettest
Wettest since:
2020
Feb 1925–Jan 1927
24-Month
85.41"
(2,169.41mm)
84.48"
(2,145.79mm)
0.93"
(23.62mm)
64th Driest
Driest since:
1954
64th Wettest
Wettest since:
2020
Feb 1924–Jan 1927
36-Month
124.55"
(3,163.57mm)
126.72"
(3,218.69mm)
-2.17"
(-55.12mm)
42nd Driest
Driest since:
1955
85th Wettest
Wettest since:
2021
Feb 1923–Jan 1927
48-Month
169.09"
(4,294.89mm)
168.96"
(4,291.58mm)
0.13"
(3.31mm)
52nd Driest
Driest since:
1956
74th Wettest
Wettest since:
2022
Feb 1922–Jan 1927
60-Month
212.01"
(5,385.05mm)
211.17"
(5,363.72mm)
0.84"
(21.33mm)
55th Driest
Driest since:
1957
70th Wettest
Wettest since:
2020

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