condition mean min max 4 h after light 2349.3 2349.3 2349.3 8 h after light 2768.05 2766.7 2769.4 12 h after light 2835.8 2825.9 2845.7 4 h after dark 2815.8999999999996 2567.7 3064.1 8 h after dark 2617.8999999999996 2207.1 3028.7 12 h after dark 2058.25 1881.8 2234.7