condition mean min max 4 h after light 526.96966 509.861109 544.078211 8 h after light 483.772827 423.775136 543.770518 12 h after light 499.8992955 490.43996 509.358631 4 h after dark 497.054837 489.830078 504.279596 8 h after dark 304.335629 213.208432 395.462826 12 h after dark 561.67211 561.67211 561.67211