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Chill hours in 54769

The short answer

54769 averages 1,261 chill hours per winter (1,0781,537 across 10 years) in USDA zone 4b.
54769 climate
Average chill hours1,261 (1,078–1,537 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 13 – April 28
First fall frosttypically October 17 – November 14

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 54769’s chill hours and zone:

How many chill hours does 54769 get?
54769 averages 1261 chill hours per winter, ranging from 1078 to 1537 across the last 10 years.
What hardiness zone is 54769?
54769 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