condition	mean	min	max
4 h after light	3.073795	2.83631	3.31128
8 h after light	3.21367	3.14139	3.28595
12 h after light	4.115410000000001	4.08614	4.14468
4 h after dark	8.219114999999999	7.84667	8.59156
8 h after dark	7.98597	7.82589	8.14605
12 h after dark	6.659675	6.62917	6.69018