condition	mean	min	max
4 h after light	19.0	19.0	19.0
8 h after light	45.3	30.0	60.6
12 h after light	34.0	22.8	45.2
4 h after dark	36.3	4.0	68.6
8 h after dark	14.2	4.2	24.2
12 h after dark	18.9	16.6	21.2