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, September 2021
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2021 1-Month |
3.49" (88.65mm) | 3.47" (88.14mm) |
0.02" (0.51mm) | 77th Driest | Driest since: 2020 | 1897 |
| 51st Wettest | Wettest since: 2018 | 1926 | ||||
| Ties: 1923 | ||||||
|
Aug–Sep 2021 2-Month |
7.90" (200.66mm) | 7.14" (181.36mm) |
0.76" (19.30mm) | 93rd Driest | Driest since: 2020 | 1897 |
| 35th Wettest | Wettest since: 2018 | 1926 | ||||
|
Jul–Sep 2021 3-Month |
13.05" (331.47mm) | 11.14" (282.96mm) |
1.91" (48.51mm) | 105th Driest | Driest since: 2020 | 1953 |
| 23rd Wettest | Wettest since: 2018 | 1926 | ||||
|
Jun–Sep 2021 4-Month |
18.16" (461.26mm) | 15.39" (390.91mm) |
2.77" (70.35mm) | 110th Driest | Driest since: 2020 | 1953 |
| 18th Wettest | Wettest since: 2018 | 1915 | ||||
|
May–Sep 2021 5-Month |
22.29" (566.17mm) | 19.66" (499.36mm) |
2.63" (66.81mm) | 100th Driest | Driest since: 2020 | 1930 |
| 28th Wettest | Wettest since: 2019 | 1915 | ||||
|
Apr–Sep 2021 6-Month |
25.58" (649.73mm) | 23.57" (598.68mm) |
2.01" (51.05mm) | 83rd Driest | Driest since: 2012 | 1930 |
| 45th Wettest | Wettest since: 2020 | 2011 | ||||
|
Mar–Sep 2021 7-Month |
30.90" (784.86mm) | 27.38" (695.45mm) |
3.52" (89.41mm) | 104th Driest | Driest since: 2016 | 1930 |
| 24th Wettest | Wettest since: 2020 | 1945 | ||||
|
Feb–Sep 2021 8-Month |
33.57" (852.68mm) | 30.05" (763.27mm) |
3.52" (89.41mm) | 102nd Driest | Driest since: 2017 | 1930 |
| 26th Wettest | Wettest since: 2020 | 1945 | ||||
|
Jan–Sep 2021 9-Month |
36.52" (927.61mm) | 33.10" (840.74mm) |
3.42" (86.87mm) | 97th Driest | Driest since: 2017 | 1930 |
| 31st Wettest | Wettest since: 2020 | 1950 | ||||
|
Dec 2020–Sep 2021 10-Month |
39.08" (992.63mm) | 36.19" (919.23mm) |
2.89" (73.40mm) | 87th Driest | Driest since: 2014 | 1930 |
| 40th Wettest | Wettest since: 2020 | 1950 | ||||
|
Nov 2020–Sep 2021 11-Month |
41.76" (1,060.70mm) | 39.33" (998.98mm) |
2.43" (61.72mm) | 87th Driest | Driest since: 2017 | 1930 |
| 40th Wettest | Wettest since: 2020 | 2019 | ||||
|
Oct 2020–Sep 2021 12-Month |
45.75" (1,162.05mm) | 42.25" (1,073.15mm) |
3.50" (88.90mm) | 92nd Driest | Driest since: 2017 | 1925 |
| 35th Wettest | Wettest since: 2020 | 2019 | ||||
|
Apr 2020–Sep 2021 18-Month |
71.63" (1,819.40mm) | 65.79" (1,671.07mm) |
5.84" (148.33mm) | 100th Driest | Driest since: 2017 | 1931 |
| 27th Wettest | Wettest since: 2020 | 2019 | ||||
|
Oct 2019–Sep 2021 24-Month |
97.78" (2,483.61mm) | 84.47" (2,145.54mm) |
13.31" (338.07mm) | 120th Driest | Driest since: 2018 | 1941 |
| 6th Wettest | Wettest since: 2020 | 2020 | ||||
|
Oct 2018–Sep 2021 36-Month |
151.97" (3,860.04mm) | 126.72" (3,218.69mm) |
25.25" (641.35mm) | 123rd Driest | Driest since: 2019 | 1941 |
| 2nd Wettest | Wettest since: 2020 | 2020 | ||||
|
Oct 2017–Sep 2021 48-Month |
201.91" (5,128.51mm) | 168.99" (4,292.35mm) |
32.92" (836.16mm) | 123rd Driest | Driest since: 2020 | 1956 |
| 1st Wettest | Wettest to Date | 2021 | ||||
|
Oct 2016–Sep 2021 60-Month |
245.78" (6,242.81mm) | 211.21" (5,364.73mm) |
34.57" (878.08mm) | 121st Driest | Driest since: 2019 | 1956 |
| 2nd Wettest | Wettest since: 2020 | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/