condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.07322766666666666 0.0 0.219683 12 h after light 0.024064366666666667 0.0 0.0721931 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0