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 1903

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
August 1903
1-Month
3.97"
(100.84mm)
3.67"
(93.22mm)
0.30"
(7.62mm)
84th Driest
Driest since:
1953
45th Wettest
Wettest since:
1915
Ties: 1916
Jul–Aug 1903
2-Month
7.71"
(195.83mm)
7.67"
(194.82mm)
0.04"
(1.01mm)
66th Driest
Driest since:
1930
63rd Wettest
Wettest since:
1915
Jun–Aug 1903
3-Month
11.43"
(290.32mm)
11.92"
(302.77mm)
-0.49"
(-12.45mm)
42nd Driest
Driest since:
1930
87th Wettest
Wettest since:
1958
May–Aug 1903
4-Month
15.61"
(396.49mm)
16.19"
(411.23mm)
-0.58"
(-14.74mm)
44th Driest
Driest since:
1936
85th Wettest
Wettest since:
1915
Apr–Aug 1903
5-Month
19.81"
(503.17mm)
20.10"
(510.54mm)
-0.29"
(-7.37mm)
54th Driest
Driest since:
1930
75th Wettest
Wettest since:
2015
Mar–Aug 1903
6-Month
23.68"
(601.47mm)
23.91"
(607.31mm)
-0.23"
(-5.84mm)
49th Driest
Driest since:
1930
80th Wettest
Wettest since:
2015
Feb–Aug 1903
7-Month
28.61"
(726.69mm)
26.58"
(675.13mm)
2.03"
(51.56mm)
85th Driest
Driest since:
1930
44th Wettest
Wettest since:
2019
Jan–Aug 1903
8-Month
30.78"
(781.81mm)
29.63"
(752.60mm)
1.15"
(29.21mm)
72nd Driest
Driest since:
1936
57th Wettest
Wettest since:
2019
Dec 1902–Aug 1903
9-Month
35.34"
(897.64mm)
32.72"
(831.09mm)
2.62"
(66.55mm)
86th Driest
Driest since:
1936
42nd Wettest
Wettest since:
2019
Nov 1902–Aug 1903
10-Month
38.99"
(990.35mm)
35.86"
(910.84mm)
3.13"
(79.51mm)
90th Driest
Driest since:
1936
38th Wettest
Wettest since:
2019
Ties: 1896
Oct 1902–Aug 1903
11-Month
41.37"
(1,050.80mm)
38.78"
(985.01mm)
2.59"
(65.79mm)
80th Driest
Driest since:
1936
48th Wettest
Wettest since:
2019
Sep 1902–Aug 1903
12-Month
45.79"
(1,163.07mm)
42.24"
(1,072.90mm)
3.55"
(90.17mm)
91st Driest
Driest since:
1936
37th Wettest
Wettest to Date
2019
Mar 1902–Aug 1903
18-Month
70.24"
(1,784.10mm)
66.13"
(1,679.70mm)
4.11"
(104.40mm)
81st Driest
Driest since:
1931
47th Wettest
Wettest since:
2019
Sep 1901–Aug 1903
24-Month
84.85"
(2,155.19mm)
84.47"
(2,145.54mm)
0.38"
(9.65mm)
55th Driest
Driest since:
1941
72nd Wettest
Wettest since:
2020
Sep 1900–Aug 1903
36-Month
120.40"
(3,058.16mm)
126.74"
(3,219.20mm)
-6.34"
(-161.04mm)
24th Driest
Driest since:
1941
102nd Wettest
Wettest since:
2020
Ties: 1915
Sep 1899–Aug 1903
48-Month
158.49"
(4,025.65mm)
168.98"
(4,292.09mm)
-10.49"
(-266.44mm)
17th Driest
Driest since:
1956
108th Wettest
Wettest since:
2022
Sep 1898–Aug 1903
60-Month
201.70"
(5,123.18mm)
211.20"
(5,364.48mm)
-9.50"
(-241.30mm)
20th Driest
Driest since:
1934
104th Wettest
Wettest since:
2020

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