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:
| 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/