condition	mean	min	max
4 h after light	3.956975	2.73304	5.18091
8 h after light	1.4780915000000001	0.679593	2.27659
12 h after light	1.367115	1.03991	1.69432
4 h after dark	2.5470966666666666	2.11085	2.89752
8 h after dark	4.096743333333333	2.40067	5.93384
12 h after dark	4.295693333333333	2.9438	6.38011