Growing Season
Growing Degree Days, 2026
384
°F-days
(+161 vs 2025)
accumulated warmth above 50°F base — a measure of the thermal energy plants have received this year (not calendar days)
Last spring frost
2026-04-20
· 8 days ago
Last year's full season
207 frost-free days
· 2025-04-17 → 2025-11-10
Chill hours, 2025–2026
3128 hrs
below 45°F ·
1476 hrs
in 32-45°F band
(Utah model)
note:
readings before 2026-04-27 reflect a sheltered back-corner sensor location that overestimated overnight lows by ~5°F — inflates GDD and chill hours by ~15%. New open front-yard placement will normalize over the season.