condition mean min max 4 h after light 450.404821 230.568345 670.241297 8 h after light 221.78389149999998 213.951111 229.616672 12 h after light 122.7500165 79.267976 166.232057 4 h after dark 101.3409115 94.714626 107.967197 8 h after dark 66.3899365 62.06554 70.714333 12 h after dark 77.280908 77.280908 77.280908