condition mean min max 4 h after light 7711.383 6959.307 8377.694 8 h after light 7623.868333333334 4149.202 10892.83 12 h after light 7078.405333333334 5475.933000000001 9387.893 16 h after light 10468.378999999999 9009.985999999999 12974.37 4 h after dark 7816.802333333333 7090.672 8376.902 8 h after dark 5683.946 4614.5509999999995 6857.67