condition	mean	min	max
4 h after light	4.35844	4.34149	4.37539
8 h after light	3.544935	0.0	7.08987
12 h after light	2.164745	0.0	4.32949
4 h after dark	11.461929999999999	7.56836	15.3555
8 h after dark	8.500215	7.51864	9.48179
12 h after dark	3.73392	0.0	7.46784