condition mean min max 4 h after light 266.159375 246.924364 285.394386 8 h after light 276.442323 270.196498 282.688148 12 h after light 333.6166725 301.155134 366.078211 4 h after dark 463.4040145 356.911701 569.896328 8 h after dark 568.521042 359.802649 777.239435 12 h after dark 302.144988 302.144988 302.144988