Drought in Greene County, OH: 1.2 years in 10 since 2000

1.2 years in 10

Greene County, OH: 3 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

1. 7
2. 1
3. 8
4. 0
5. 0
6. 0
7. 0
8. 20
9. 0
10. 0
11. 8
12. 0
13. 18
14. 0
15. 0
16. 0
17. 0
18. 0
19. 0
20. 6
21. 2
22. 0
23. 6
24. 4
25. 20
26. 4

20002025

Drought years: 2007 (20 wk), 2012 (18 wk) and 2024 (20 wk). Not a single drought week in 2003, 2004, 2005, 2006, 2008, 2009, 2011, 2013, 2014, 2015, 2016, 2017, 2018 and 2021.

A regular lawn is fine here; plan for the odd dry year

Real droughts are rare here. A smart controller that skips watering after rain covers the odd dry year.

You can keep a regular lawn. Worth doing: a rain-sensing or smart controller, and deeper, less frequent watering if Oct turns dry.

Against the rest of OH

20th most drought-prone of 88 OH counties; the OH middle is 0.8 in 10. Closest on the list: Lawrence County (1.2 in 10) and Ross County (1.2 in 10). Driest in OH: Williams County (2.7 in 10). Least drought: Ashtabula County (0 in 10).

When in the year it hits

Most often in Oct (19% of weeks), then Sep (19%) and Aug (13%). Least in May (0%). May to September averages 10%.

1. 3 Jan
2. 3 Feb
3. 0 Mar
4. 1 Apr
5. 0 May
6. 6 Jun
7. 13 Jul
8. 13 Aug
9. 19 Sep
10. 19 Oct
11. 10 Nov
12. 1 Dec

The worst year: 2007

2007: 20 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 7.4% of all weeks at D1 or worse, 0.6% at D2, 0.1% at D3, never any D4. Longest unbroken spell: 20 weeks, Jun 5, 2007 to Oct 16, 2007.

Lately

Last drought year: 2024, 20 weeks. 2016-2025: 1 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Greene County lands on the plan covered in keeping a regular lawn. Its worst year, 2007, was one of the worst nationally too; see the worst years since 2000. How each of Greene County's 1,401 weeks was judged: how drought is counted.