condition mean min max 3 h after light 0.160935 0.0 0.329654 6 h after light 0.107912 0.0 0.217776 9 h after light 0.29232766666666665 0.195499 0.357897 12 h after light 0.574043975 0.0 1.99787 3 h after dark 0.3103883333333333 0.12389 0.495583 6 h after dark 0.592032 0.0 1.24093 9 h after dark 0.339726 0.16016 0.676986 12 h after dark 0.429899 0.0 0.859798