condition	mean	min	max
0 h after light	3.467005	3.30868	3.62533
4 h after light	8.257745	6.32119	10.1943
8 h after light	8.19659	8.18359	8.20959
4 h after dark	8.693965	7.23843	10.1495
8 h after dark	7.61828	7.59912	7.63744
12 h after dark	4.4258	3.15049	5.70111