condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	41.35	31.2	51.5
12 h after light	22.35	14.0	30.7
4 h after dark	48.25	35.3	61.2
8 h after dark	7.25	3.8	10.7
12 h after dark	54.95	37.6	72.3