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Chill hours in 52044

The short answer

52044 averages 1,387 chill hours per winter (1,2051,629 across 10 years) in USDA zone 4b.
52044 climate
Average chill hours1,387 (1,205–1,629 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 20 – 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 52044’s chill hours and zone:

How many chill hours does 52044 get?
52044 averages 1387 chill hours per winter, ranging from 1205 to 1629 across the last 10 years.
What hardiness zone is 52044?
52044 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