condition	mean	min	max
4 h after light	12261.28611	11453.55	13376.38333
8 h after light	11909.710000000001	11382.9	12576.36
12 h after light	12097.56111	10998.11333	13265.65333
1.5 h after dark	7046.023333666667	6285.996667	8218.706667
5.5 h after dark	6016.0222220000005	4580.3	7330.103333
9.5 h after dark	8064.0011110000005	7130.786667	8714.553333