condition	mean	min	max
0 h after light	9.475155	9.38432	9.56599
4 h after light	4.541265	4.30157	4.78096
8 h after light	5.294639999999999	4.72361	5.86567
4 h after dark	6.194405	4.87001	7.5188
8 h after dark	4.883545	4.57838	5.18871
12 h after dark	5.542695	4.26212	6.82327