condition mean min max 4 h after light 653.6974666666666 637.3415 678.0669 8 h after light 651.5948000000001 498.6292 792.4053 12 h after light 651.1168 561.9869 802.2797 16 h after light 964.0912666666667 878.5196 1086.945 4 h after dark 1317.8606666666667 1198.9589999999998 1386.306 8 h after dark 664.1334333333333 468.733 807.1646