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Chill hours in 59332

The short answer

59332 averages 1,375 chill hours per winter (9921,564 across 10 years) in USDA zone 4b.
59332 climate
Average chill hours1,375 (992–1,564 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 25 – May 19
First fall frosttypically October 4 – October 28

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 59332’s chill hours and zone:

How many chill hours does 59332 get?
59332 averages 1375 chill hours per winter, ranging from 992 to 1564 across the last 10 years.
What hardiness zone is 59332?
59332 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