condition mean min max 4 h after light 173.4247555 157.68877 189.160741 8 h after light 229.6066175 203.924364 255.288871 12 h after light 211.7397755 210.785956 212.693595 4 h after dark 200.883983 193.63092 208.137046 8 h after dark 163.1619915 141.630388 184.693595 12 h after dark 154.66897 154.66897 154.66897