condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0703255 0.0 0.140651 8 h after dark 0.14108199999999999 0.14049 0.141674 12 h after dark 0.0 0.0 0.0