condition	mean	min	max
4 h after light	4.742665000000001	4.39621	5.08912
8 h after light	3.6970349999999996	2.71646	4.67761
12 h after light	2.255435	2.20036	2.31051
4 h after dark	4.405525	4.20245	4.6086
8 h after dark	5.2676300000000005	4.67089	5.86437
12 h after dark	5.501485	5.10943	5.89354