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


Ohio Valley Climate Region

Precipitation Rankings, August 2021

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
August 2021
1-Month
4.41"
(112.01mm)
3.67"
(93.22mm)
0.74"
(18.79mm)
100th Driest Driest since: 2020 1953
28th Wettest Wettest since: 2018 1915
Jul–Aug 2021
2-Month
9.56"
(242.82mm)
7.67"
(194.82mm)
1.89"
(48.00mm)
118th Driest Driest since: 2020 1930
10th Wettest Wettest since: 2016 1915
Jun–Aug 2021
3-Month
14.67"
(372.62mm)
11.92"
(302.77mm)
2.75"
(69.85mm)
117th Driest Driest since: 2020 1930
11th Wettest Wettest since: 2019 1958
May–Aug 2021
4-Month
18.80"
(477.52mm)
16.19"
(411.23mm)
2.61"
(66.29mm)
104th Driest Driest since: 2020 1936
24th Wettest Wettest since: 2019 1915
Ties: 2017
Apr–Aug 2021
5-Month
22.09"
(561.09mm)
20.10"
(510.54mm)
1.99"
(50.55mm)
87th Driest Driest since: 2012 1930
41st Wettest Wettest since: 2020 2015
Mar–Aug 2021
6-Month
27.41"
(696.21mm)
23.91"
(607.31mm)
3.50"
(88.90mm)
104th Driest Driest since: 2018 1930
24th Wettest Wettest since: 2020 2015
Feb–Aug 2021
7-Month
30.08"
(764.03mm)
26.58"
(675.13mm)
3.50"
(88.90mm)
101st Driest Driest since: 2016 1930
27th Wettest Wettest since: 2020 2019
Jan–Aug 2021
8-Month
33.03"
(838.96mm)
29.63"
(752.60mm)
3.40"
(86.36mm)
97th Driest Driest since: 2016 1936
31st Wettest Wettest since: 2020 2019
Dec 2020–Aug 2021
9-Month
35.59"
(903.99mm)
32.72"
(831.09mm)
2.87"
(72.90mm)
91st Driest Driest since: 2014 1936
36th Wettest Wettest since: 2020 2019
Nov 2020–Aug 2021
10-Month
38.27"
(972.06mm)
35.86"
(910.84mm)
2.41"
(61.22mm)
82nd Driest Driest since: 2014 1936
45th Wettest Wettest since: 2020 2019
Oct 2020–Aug 2021
11-Month
42.26"
(1,073.40mm)
38.78"
(985.01mm)
3.48"
(88.39mm)
94th Driest Driest since: 2017 1936
33rd Wettest Wettest since: 2020 2019
Ties: 1997
Sep 2020–Aug 2021
12-Month
45.50"
(1,155.70mm)
42.24"
(1,072.90mm)
3.26"
(82.80mm)
87th Driest Driest since: 2017 1936
40th Wettest Wettest since: 2020 2019
Mar 2020–Aug 2021
18-Month
73.61"
(1,869.69mm)
66.13"
(1,679.70mm)
7.48"
(189.99mm)
110th Driest Driest since: 2017 1931
17th Wettest Wettest since: 2020 2019
Sep 2019–Aug 2021
24-Month
96.58"
(2,453.13mm)
84.47"
(2,145.54mm)
12.11"
(307.59mm)
116th Driest Driest since: 2018 1941
10th Wettest Wettest since: 2020 2020
Sep 2018–Aug 2021
36-Month
154.40"
(3,921.76mm)
126.74"
(3,219.20mm)
27.66"
(702.56mm)
123rd Driest Driest since: 2019 1941
2nd Wettest Wettest since: 2020 2020
Sep 2017–Aug 2021
48-Month
200.59"
(5,094.99mm)
168.98"
(4,292.09mm)
31.61"
(802.90mm)
123rd Driest Driest since: 2020 1956
1st Wettest Wettest to Date 2021
Sep 2016–Aug 2021
60-Month
245.57"
(6,237.48mm)
211.19"
(5,364.23mm)
34.38"
(873.25mm)
120th Driest Driest since: 2018 1934
3rd Wettest Wettest since: 2020 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2022, retrieved on August 15, 2022 from https://www.ncei.noaa.gov/cag/