condition	mean	min	max
0 h after light	8.623204999999999	8.10291	9.1435
4 h after light	4.01304	3.72662	4.29946
8 h after light	6.2926400000000005	5.49724	7.08804
4 h after dark	10.21171	8.84192	11.5815
8 h after dark	6.78134	6.56633	6.99635
12 h after dark	7.932405000000001	6.73359	9.13122