condition	mean	min	max
4 h after light	9.198725	8.48178	9.91567
8 h after light	6.01538	5.93625	6.09451
12 h after light	7.04838	6.76665	7.33011
4 h after dark	4.117145000000001	3.69993	4.53436
8 h after dark	6.07364	6.07137	6.07591
12 h after dark	6.06553	5.25224	6.87882