Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2021. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, September 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2020
1-Month
3.24"
(82.30mm)
3.47"
(88.14mm)
-0.23"
(-5.84mm)
57th Driest Driest since: 2019 1897
71st Wettest Wettest since: 2018 1926
Aug–Sep 2020
2-Month
7.04"
(178.82mm)
7.14"
(181.36mm)
-0.10"
(-2.54mm)
67th Driest Driest since: 2019 1897
61st Wettest Wettest since: 2018 1926
Jul–Sep 2020
3-Month
11.97"
(304.04mm)
11.14"
(282.96mm)
0.83"
(21.08mm)
87th Driest Driest since: 2019 1953
41st Wettest Wettest since: 2018 1926
Jun–Sep 2020
4-Month
15.87"
(403.10mm)
15.39"
(390.91mm)
0.48"
(12.19mm)
66th Driest Driest since: 2017 1953
62nd Wettest Wettest since: 2019 1915
May–Sep 2020
5-Month
21.30"
(541.02mm)
19.66"
(499.36mm)
1.64"
(41.66mm)
82nd Driest Driest since: 2017 1930
46th Wettest Wettest since: 2019 1915
Apr–Sep 2020
6-Month
25.87"
(657.10mm)
23.57"
(598.68mm)
2.30"
(58.42mm)
89th Driest Driest since: 2014 1930
39th Wettest Wettest since: 2019 2011
Mar–Sep 2020
7-Month
31.34"
(796.04mm)
27.38"
(695.45mm)
3.96"
(100.59mm)
108th Driest Driest since: 2016 1930
20th Wettest Wettest since: 2019 1945
Feb–Sep 2020
8-Month
35.48"
(901.19mm)
30.05"
(763.27mm)
5.43"
(137.92mm)
117th Driest Driest since: 2017 1930
11th Wettest Wettest since: 2019 1945
Jan–Sep 2020
9-Month
40.05"
(1,017.27mm)
33.10"
(840.74mm)
6.95"
(176.53mm)
120th Driest Driest since: 2017 1930
8th Wettest Wettest since: 2019 1950
Dec 2019–Sep 2020
10-Month
43.62"
(1,107.95mm)
36.19"
(919.23mm)
7.43"
(188.72mm)
120th Driest Driest since: 2018 1930
7th Wettest Wettest since: 2019 1950
Nov 2019–Sep 2020
11-Month
46.76"
(1,187.70mm)
39.33"
(998.98mm)
7.43"
(188.72mm)
116th Driest Driest since: 2018 1930
11th Wettest Wettest since: 2019 2019
Oct 2019–Sep 2020
12-Month
52.02"
(1,321.31mm)
42.25"
(1,073.15mm)
9.77"
(248.16mm)
124th Driest Driest since: 2018 1925
3rd Wettest Wettest since: 2019 2019
Apr 2019–Sep 2020
18-Month
80.45"
(2,043.43mm)
65.79"
(1,671.07mm)
14.66"
(372.36mm)
125th Driest Driest since: 2018 1931
2nd Wettest Wettest since: 2019 2019
Oct 2018–Sep 2020
24-Month
106.21"
(2,697.73mm)
84.47"
(2,145.54mm)
21.74"
(552.19mm)
125th Driest Driest since: 2019 1941
1st Wettest Wettest to Date 2020
Oct 2017–Sep 2020
36-Month
156.15"
(3,966.21mm)
126.72"
(3,218.69mm)
29.43"
(747.52mm)
124th Driest Driest since: 2019 1941
1st Wettest Wettest to Date 2020
Oct 2016–Sep 2020
48-Month
200.02"
(5,080.51mm)
168.99"
(4,292.35mm)
31.03"
(788.16mm)
122nd Driest Driest since: 2019 1956
2nd Wettest Wettest to Date 2021
Oct 2015–Sep 2020
60-Month
248.96"
(6,323.58mm)
211.21"
(5,364.73mm)
37.75"
(958.85mm)
122nd Driest Driest since: 2019 1956
1st Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on November 26, 2021 from https://www.ncdc.noaa.gov/cag/