Estimate days to corn emergence (120 GDUs) based on weather forecast
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Fetching weather data...
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Total GDUs
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Avg GDU / Day
120
Emergence Target
Observed (Past)
NOAA/NWS (Days 1-7)
Open-Meteo (Days 8-16)
Seasonal Forecast (16+)
Date
High (°F)
Low (°F)
Daily GDU
Cumul. GDU
Source
GDU Formula (Corn): GDU = ((min(Tmax, 86) + max(Tmin, 50)) / 2) − 50.
Negative values set to 0. Emergence expected at ~120 accumulated GDUs.
Data sources:
Past dates use observed actuals from Open-Meteo archive |
Future days 1-7 from NOAA/NWS |
Future days 8-16 from Open-Meteo 16-day forecast |
Beyond day 16 from Open-Meteo ECMWF seasonal forecast.
For past planting dates, 18 days of accumulation are shown.