condition	mean	min	max
4 h after light	4.19921	3.95221	4.44621
8 h after light	4.509105	4.19636	4.82185
12 h after light	4.868705	4.65041	5.087
4 h after dark	8.156025	7.65982	8.65223
8 h after dark	8.675564999999999	8.17755	9.17358
12 h after dark	6.383065	5.7113	7.05483