DroughtOdds

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.

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

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