condition mean min max 4 h after light 303.008534 174.435716 431.581352 8 h after light 384.65108899999996 340.020017 429.282161 12 h after light 430.9605465 316.612113 545.30898 4 h after dark 983.4339044999999 369.155134 1597.712675 8 h after dark 1391.2968355 371.818185 2410.775486 12 h after dark 1564.940415 1564.940415 1564.940415