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Chill hours in 59732

The short answer

59732 averages 1,170 chill hours per winter (6311,473 across 10 years) in USDA zone 4b.
59732 climate
Average chill hours1,170 (631–1,473 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically May 3 – June 9
First fall frosttypically September 29 – October 24

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 59732’s chill hours and zone:

How many chill hours does 59732 get?
59732 averages 1170 chill hours per winter, ranging from 631 to 1473 across the last 10 years.
What hardiness zone is 59732?
59732 is in USDA hardiness zone 4b.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026