condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.07934666666666666 0.0 0.23804 12 h after light 0.0908043 0.0 0.206628 4 h after dark 0.219553 0.0 0.658659 8 h after dark 0.17932166666666666 0.0 0.345926 12 h after dark 0.032329000000000004 0.0 0.096987