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 August 2022. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, December 2020

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2020
1-Month
2.56"
(65.02mm)
3.11"
(78.99mm)
-0.55"
(-13.97mm)
42nd Driest Driest since: 2017 1958
86th Wettest Wettest since: 2019 1990
Nov–Dec 2020
2-Month
5.24"
(133.10mm)
6.23"
(158.24mm)
-0.99"
(-25.14mm)
42nd Driest Driest since: 2017 1976
86th Wettest Wettest since: 2019 2015
Ties: 1998
Oct–Dec 2020
3-Month
9.23"
(234.44mm)
9.13"
(231.90mm)
0.10"
(2.54mm)
61st Driest Driest since: 2017 1963
67th Wettest Wettest since: 2019 1990
Sep–Dec 2020
4-Month
12.47"
(316.74mm)
12.60"
(320.04mm)
-0.13"
(-3.30mm)
59th Driest Driest since: 2017 1963
69th Wettest Wettest since: 2019 1926
Aug–Dec 2020
5-Month
16.27"
(413.26mm)
16.27"
(413.26mm)
0.00"
(0.00mm)
59th Driest Driest since: 2017 1953
69th Wettest Wettest since: 2019 1926
Ties: 1969
Jul–Dec 2020
6-Month
21.20"
(538.48mm)
20.27"
(514.86mm)
0.93"
(23.62mm)
72nd Driest Driest since: 2017 1953
56th Wettest Wettest since: 2019 1926
Jun–Dec 2020
7-Month
25.11"
(637.79mm)
24.52"
(622.81mm)
0.59"
(14.98mm)
63rd Driest Driest since: 2017 1953
65th Wettest Wettest since: 2019 2015
May–Dec 2020
8-Month
30.54"
(775.72mm)
28.79"
(731.27mm)
1.75"
(44.45mm)
74th Driest Driest since: 2017 1953
54th Wettest Wettest since: 2019 2015
Apr–Dec 2020
9-Month
35.11"
(891.79mm)
32.70"
(830.58mm)
2.41"
(61.21mm)
81st Driest Driest since: 2016 1930
47th Wettest Wettest since: 2019 2015
Mar–Dec 2020
10-Month
40.58"
(1,030.73mm)
36.51"
(927.35mm)
4.07"
(103.38mm)
96th Driest Driest since: 2016 1930
32nd Wettest Wettest since: 2019 2011
Feb–Dec 2020
11-Month
44.72"
(1,135.89mm)
39.19"
(995.43mm)
5.53"
(140.46mm)
111th Driest Driest since: 2017 1930
17th Wettest Wettest since: 2019 2011
Jan–Dec 2020
12-Month
49.29"
(1,251.97mm)
42.23"
(1,072.64mm)
7.06"
(179.33mm)
114th Driest Driest since: 2017 1930
14th Wettest Wettest since: 2019 2019
Jul 2019–Dec 2020
18-Month
72.29"
(1,836.17mm)
62.51"
(1,587.75mm)
9.78"
(248.42mm)
117th Driest Driest since: 2017 1953
10th Wettest Wettest since: 2019 2019
Jan 2019–Dec 2020
24-Month
103.25"
(2,622.55mm)
84.45"
(2,145.03mm)
18.80"
(477.52mm)
125th Driest Driest since: 2018 1953
2nd Wettest Wettest since: 2019 2019
Jan 2018–Dec 2020
36-Month
156.31"
(3,970.27mm)
126.69"
(3,217.93mm)
29.62"
(752.34mm)
125th Driest Driest since: 2019 1954
1st Wettest Wettest to Date 2020
Jan 2017–Dec 2020
48-Month
201.67"
(5,122.42mm)
168.95"
(4,291.33mm)
32.72"
(831.09mm)
123rd Driest Driest since: 2019 1955
2nd Wettest Wettest to Date 2021
Jan 2016–Dec 2020
60-Month
244.13"
(6,200.90mm)
211.20"
(5,364.48mm)
32.93"
(836.42mm)
121st Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2019 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on October 7, 2022 from https://www.ncdc.noaa.gov/cag/