condition	mean	min	max
4 h after light	8.11801	7.92948	8.43776
8 h after light	4.9333	2.49581	7.66124
12 h after light	6.63719	3.50557	8.41008
4 h after dark	10.438896666666666	9.07659	12.3814
8 h after dark	6.114753333333333	5.68223	6.35858
12 h after dark	10.619943333333334	9.83203	11.9699