How many chill hours does 98198 get?

98198 averages 2380 chill hours per winter, ranging from 2160 to 2654 across the last 10 years.

What hardiness zone is 98198?

98198 is in USDA hardiness zone 9a.

Location almanac

The short answer

98198 averages 2,380 chill hours per winter (2,160–2,654 across 10 years) in USDA zone 9a.

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 98198’s chill hours and zone:

Chill and zone requirements are comfortably met in 98198.

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How many chill hours does 98198 get?: 98198 averages 2380 chill hours per winter, ranging from 2160 to 2654 across the last 10 years.
What hardiness zone is 98198?: 98198 is in USDA hardiness zone 9a.

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