condition	mean	min	max
4 h after light	37.4	37.4	37.4
8 h after light	25.5	21.4	29.6
12 h after light	25.8	21.0	30.6
4 h after dark	20.45	12.2	28.7
8 h after dark	51.9	38.8	65.0
12 h after dark	36.55	22.9	50.2