condition	mean	min	max
0 h after light	7.69019	7.43641	7.94397
4 h after light	7.3422	6.53268	8.15172
8 h after light	8.420055	8.19402	8.64609
4 h after dark	7.59642	7.06121	8.13163
8 h after dark	5.43738	5.39048	5.48428
12 h after dark	7.683705	6.86328	8.50413