condition mean min max 4 h after light 723.296358 674.423292 772.169424 8 h after light 547.3526335 376.270908 718.434359 12 h after light 426.3325225 369.79729 482.867755 4 h after dark 452.12424450000003 355.772033 548.476456 8 h after dark 594.0710205 526.140753 662.001288 12 h after dark 788.086966 788.086966 788.086966