Drought in Allegany County, NY: 1.2 years in 10 since 2000
1.2 years in 10
Allegany County, NY: 3 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.
- 0
- 12
- 0
- 0
- 0
- 4
- 0
- 0
- 0
- 0
- 0
- 2
- 0
- 0
- 0
- 0
- 23
- 0
- 0
- 0
- 13
- 4
- 4
- 10
- 0
- 13
20002025
Drought years: 2016 (23 wk), 2020 (13 wk) and 2025 (13 wk). Not a single drought week in 2000, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2012, 2013, 2014, 2015, 2017, 2018, 2019 and 2024.
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 Aug turns dry.
Drought has been more common in 2016-2025 (3 years in 10) than in 2000-2015 (0 in 10).
Against the rest of NY
23rd most drought-prone of 62 NY counties; the NY middle is 0.8 in 10. Closest on the list: Yates County (1.2 in 10) and Cayuga County (1.2 in 10). Driest in NY: Rockland County (2.3 in 10). Least drought: Otsego County (0 in 10).
When in the year it hits
Most often in Aug (19% of weeks), then Nov (12%) and Oct (10%). Least in Mar (0%). May to September averages 8%.
- 0 Jan
- 0 Feb
- 0 Mar
- 3 Apr
- 2 May
- 5 Jun
- 7 Jul
- 19 Aug
- 9 Sep
- 10 Oct
- 12 Nov
- 7 Dec
The worst year: 2016
2016: 23 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 6.1% of all weeks at D1 or worse, 1.5% at D2, never any D4. Longest unbroken spell: 23 weeks, Jul 5, 2016 to Dec 6, 2016.
Lately
Last drought year: 2025, 13 weeks. 2016-2025: 3 in 10, against 0 in 10 for 2000-2015, drier lately. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.
Further reading
Allegany County lands on the plan covered in keeping a regular lawn. Its last ten years ran drier than the ten before; what that does and does not mean. How each of Allegany County's 1,401 weeks was judged: how drought is counted.