condition mean min max 4 h after light 431.8889 391.839 504.0191 8 h after light 529.6732 374.5839 688.1346 12 h after light 870.8719 727.1848 1127.79 16 h after light 974.8810666666667 893.8752 1021.997 4 h after dark 696.3928999999999 667.4593 734.4321 8 h after dark 350.99666666666667 272.295 407.3777