DroughtOdds

Drought in Ulster County, NY: 0.8 years in 10 since 2000

0.8 years in 10

Ulster County, NY: 2 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

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

20002025

Drought years: 2002 (19 wk) and 2016 (18 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2018, 2019, 2020, 2021 and 2023.

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 Nov turns dry.

Against the rest of NY

28th most drought-prone of 62 NY counties; the NY middle is 0.8 in 10. Closest on the list: Columbia County (0.8 in 10) and Cattaraugus County (0.8 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 Nov (13% of weeks), then Dec (13%) and Jan (9%). Least in Aug (1%). May to September averages 3%.

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

The worst year: 2002

2002: 19 weeks in drought, peaking at D2 severe. Across 1,401 weekly maps: 6% of all weeks at D1 or worse, 1.8% at D2, never any D4. Longest unbroken spell: 27 weeks, Sep 13, 2016 to Mar 14, 2017.

Lately

Last drought year: 2016, 18 weeks. 2016-2025: 1 in 10, against 0.6 in 10 for 2000-2015, about the same. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Ulster County lands on the plan covered in keeping a regular lawn. Its worst year, 2002, was not one of the big national drought years; see the worst years since 2000. How each of Ulster County's 1,401 weeks was judged: how drought is counted.