condition	mean	min	max
4 h after light	55.6	55.6	55.6
8 h after light	15.9	12.0	19.8
12 h after light	65.9	62.9	68.9
4 h after dark	57.55	46.0	69.1
8 h after dark	72.0	67.4	76.6
12 h after dark	54.349999999999994	51.3	57.4