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, August 1927

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
August 1927
1-Month
3.70"
(93.98mm)
3.67"
(93.22mm)
0.03"
(0.76mm)
71st Driest
Driest since:
1953
58th Wettest
Wettest since:
1915
Ties: 1902
Jul–Aug 1927
2-Month
7.66"
(194.56mm)
7.67"
(194.82mm)
-0.01"
(-0.26mm)
63rd Driest
Driest since:
1930
66th Wettest
Wettest since:
1915
Ties: 1994
Jun–Aug 1927
3-Month
12.10"
(307.34mm)
11.92"
(302.77mm)
0.18"
(4.57mm)
67th Driest
Driest since:
1930
62nd Wettest
Wettest since:
1958
Ties: 1948, 1970
May–Aug 1927
4-Month
18.24"
(463.30mm)
16.19"
(411.23mm)
2.05"
(52.07mm)
97th Driest
Driest since:
1936
32nd Wettest
Wettest since:
1915
Apr–Aug 1927
5-Month
25.04"
(636.02mm)
20.10"
(510.54mm)
4.94"
(125.48mm)
121st Driest
Driest since:
1930
8th Wettest
Wettest to Date
2015
Mar–Aug 1927
6-Month
30.28"
(769.11mm)
23.91"
(607.31mm)
6.37"
(161.80mm)
126th Driest
Driest since:
1930
3rd Wettest
Wettest to Date
2015
Feb–Aug 1927
7-Month
32.62"
(828.55mm)
26.58"
(675.13mm)
6.04"
(153.42mm)
121st Driest
Driest since:
1930
8th Wettest
Wettest to Date
2019
Jan–Aug 1927
8-Month
36.16"
(918.46mm)
29.63"
(752.60mm)
6.53"
(165.86mm)
124th Driest
Driest since:
1936
5th Wettest
Wettest to Date
2019
Dec 1926–Aug 1927
9-Month
40.14"
(1,019.56mm)
32.72"
(831.09mm)
7.42"
(188.47mm)
122nd Driest
Driest since:
1936
6th Wettest
Wettest to Date
2019
Nov 1926–Aug 1927
10-Month
43.49"
(1,104.65mm)
35.86"
(910.84mm)
7.63"
(193.81mm)
122nd Driest
Driest since:
1936
6th Wettest
Wettest to Date
2019
Oct 1926–Aug 1927
11-Month
48.23"
(1,225.04mm)
38.78"
(985.01mm)
9.45"
(240.03mm)
123rd Driest
Driest since:
1936
5th Wettest
Wettest to Date
2019
Sep 1926–Aug 1927
12-Month
55.04"
(1,398.02mm)
42.24"
(1,072.90mm)
12.80"
(325.12mm)
126th Driest
Driest since:
1936
2nd Wettest
Wettest to Date
2019
Mar 1926–Aug 1927
18-Month
76.90"
(1,953.26mm)
66.13"
(1,679.70mm)
10.77"
(273.56mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest to Date
2019
Sep 1925–Aug 1927
24-Month
97.49"
(2,476.25mm)
84.47"
(2,145.54mm)
13.02"
(330.71mm)
121st Driest
Driest since:
1941
6th Wettest
Wettest to Date
2020
Sep 1924–Aug 1927
36-Month
130.71"
(3,320.03mm)
126.74"
(3,219.20mm)
3.97"
(100.83mm)
74th Driest
Driest since:
1941
52nd Wettest
Wettest since:
2020
Sep 1923–Aug 1927
48-Month
174.17"
(4,423.92mm)
168.98"
(4,292.09mm)
5.19"
(131.83mm)
78th Driest
Driest since:
1956
47th Wettest
Wettest since:
2022
Sep 1922–Aug 1927
60-Month
216.46"
(5,498.08mm)
211.20"
(5,364.48mm)
5.26"
(133.60mm)
74th Driest
Driest since:
1934
50th Wettest
Wettest since:
2020

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