condition mean min max 4 h after light 110.191555 103.906774 116.476336 8 h after light 136.1816825 121.56962 150.793745 12 h after light 143.803816 129.384542 158.22309 4 h after dark 223.26829099999998 159.207009 287.329573 8 h after dark 229.66242599999998 168.938949 290.385903 12 h after dark 104.209416 104.209416 104.209416