condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.014334066666666666 0.0 0.0430022 9 h after light 0.011294366666666666 0.0 0.0338831 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0