condition	mean	min	max
4 h after light	37.6	37.6	37.6
8 h after light	26.1	19.0	33.2
12 h after light	20.45	17.7	23.2
4 h after dark	11.75	11.2	12.3
8 h after dark	15.55	14.3	16.8
12 h after dark	30.5	23.2	37.8