condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.05314095 0.0 0.136653 3 h after dark 0.08375666666666666 0.0 0.25127 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0459353 0.0 0.0762767 12 h after dark 0.0 0.0 0.0