condition mean min max 4 h after light 404.2142205 374.924364 433.504077 8 h after light 423.213793 409.925527 436.502059 12 h after light 449.451229 393.770518 505.13194 4 h after dark 491.112301 428.995061 553.229541 8 h after dark 482.1090995 451.847441 512.370758 12 h after dark 366.771879 366.771879 366.771879