condition	mean	min	max
0 h after light	28.599200000000003	28.004	29.1944
4 h after light	6.45593	5.83635	7.07551
8 h after light	6.518885	5.96911	7.06866
4 h after dark	6.386240000000001	5.92555	6.84693
8 h after dark	14.474450000000001	12.7812	16.1677
12 h after dark	21.25865	15.3467	27.1706