condition	mean	min	max
4 h after light	12.9	12.9	12.9
8 h after light	12.0	11.1	12.9
12 h after light	17.0	6.8	27.2
4 h after dark	20.7	10.4	31.0
8 h after dark	19.95	1.9	38.0
12 h after dark	33.3	23.8	42.8