condition	mean	min	max
4 h after light	1.313682	0.939234	1.68813
8 h after light	0.6396805	0.634348	0.645013
12 h after light	0.7130515	0.616624	0.809479
4 h after dark	0.6010076666666666	0.479805	0.693734
8 h after dark	1.39523	1.10132	1.59768
12 h after dark	1.4381833333333334	1.06469	1.9922