condition	mean	min	max
4 h after light	7.88259	6.676	9.08918
8 h after light	6.56135	6.32916	6.79354
12 h after light	7.29555	5.67431	8.91679
4 h after dark	5.624733333333333	4.89475	6.78604
8 h after dark	7.38593	6.91328	8.06465
12 h after dark	7.781993333333333	7.23954	8.14121