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Chill hours in 54847

The short answer

54847 averages 1,105 chill hours per winter (8421,515 across 10 years) in USDA zone 4a.
54847 climate
Average chill hours1,105 (842–1,515 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 29 – May 13
First fall frosttypically October 11 – November 2

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 54847’s chill hours and zone:

How many chill hours does 54847 get?
54847 averages 1105 chill hours per winter, ranging from 842 to 1515 across the last 10 years.
What hardiness zone is 54847?
54847 is in USDA hardiness zone 4a.

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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