condition	mean	min	max
4 h after light	8.6	8.6	8.6
8 h after light	20.5	5.9	35.1
12 h after light	52.85	9.3	96.4
4 h after dark	83.35	49.6	117.1
8 h after dark	62.0	53.9	70.1
12 h after dark	61.75	53.8	69.7