Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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, September 1945

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1945
1-Month
6.43"
(163.32mm)
3.47"
(88.14mm)
2.96"
(75.18mm)
126th Driest
Driest since:
1897
3rd Wettest
Wettest since:
1926
Aug–Sep 1945
2-Month
9.21"
(233.93mm)
7.14"
(181.36mm)
2.07"
(52.57mm)
114th Driest
Driest since:
1897
15th Wettest
Wettest since:
1926
Jul–Sep 1945
3-Month
12.24"
(310.90mm)
11.14"
(282.96mm)
1.10"
(27.94mm)
94th Driest
Driest since:
1953
35th Wettest
Wettest since:
1926
Ties: 2004
Jun–Sep 1945
4-Month
18.45"
(468.63mm)
15.39"
(390.91mm)
3.06"
(77.72mm)
116th Driest
Driest since:
1953
13th Wettest
Wettest since:
1915
Ties: 1989
May–Sep 1945
5-Month
23.59"
(599.19mm)
19.66"
(499.36mm)
3.93"
(99.83mm)
116th Driest
Driest since:
1930
13th Wettest
Wettest since:
1915
Apr–Sep 1945
6-Month
28.78"
(731.01mm)
23.57"
(598.68mm)
5.21"
(132.33mm)
119th Driest
Driest since:
1930
10th Wettest
Wettest since:
2011
Mar–Sep 1945
7-Month
35.16"
(893.06mm)
27.38"
(695.45mm)
7.78"
(197.61mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1945
Feb–Sep 1945
8-Month
39.41"
(1,001.01mm)
30.05"
(763.27mm)
9.36"
(237.74mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1945
Jan–Sep 1945
9-Month
41.57"
(1,055.88mm)
33.10"
(840.74mm)
8.47"
(215.14mm)
126th Driest
Driest since:
1930
3rd Wettest
Wettest to Date
1950
Dec 1944–Sep 1945
10-Month
44.69"
(1,135.13mm)
36.19"
(919.23mm)
8.50"
(215.90mm)
124th Driest
Driest since:
1930
4th Wettest
Wettest to Date
1950
Nov 1944–Sep 1945
11-Month
47.06"
(1,195.32mm)
39.33"
(998.98mm)
7.73"
(196.34mm)
120th Driest
Driest since:
1930
8th Wettest
Wettest since:
2019
Oct 1944–Sep 1945
12-Month
48.68"
(1,236.47mm)
42.25"
(1,073.15mm)
6.43"
(163.32mm)
114th Driest
Driest since:
1925
14th Wettest
Wettest since:
2019
Apr 1944–Sep 1945
18-Month
71.04"
(1,804.42mm)
65.79"
(1,671.07mm)
5.25"
(133.35mm)
98th Driest
Driest since:
1931
30th Wettest
Wettest since:
2019
Oct 1943–Sep 1945
24-Month
86.74"
(2,203.20mm)
84.47"
(2,145.54mm)
2.27"
(57.66mm)
69th Driest
Driest since:
1941
58th Wettest
Wettest since:
2020
Oct 1942–Sep 1945
36-Month
130.04"
(3,303.02mm)
126.72"
(3,218.69mm)
3.32"
(84.33mm)
71st Driest
Driest since:
1941
55th Wettest
Wettest since:
2020
Oct 1941–Sep 1945
48-Month
174.88"
(4,441.95mm)
168.99"
(4,292.35mm)
5.89"
(149.60mm)
84th Driest
Driest since:
1956
41st Wettest
Wettest since:
2021
Oct 1940–Sep 1945
60-Month
208.36"
(5,292.34mm)
211.21"
(5,364.73mm)
-2.85"
(-72.39mm)
40th Driest
Driest since:
1956
84th Wettest
Wettest since:
2020

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