How do I estimate daily light integral (DLI) from peak sunlight intensity?

Close

Choose the light units on your sensor. PAR light in micromoles/m2/s is the most accurate for estimating DLI

Close

Measure light level at solar noon. You can find the time of day when solar noon occurs for your location and day of year at https://gml.noaa.gov/grad/solcalc/

Close

You can find the time of apparent sunrise for your location and day of year at https://gml.noaa.gov/grad/solcalc/

Close

You can find the time of apparent sunset for your location and day of year at https://gml.noaa.gov/grad/solcalc/