condition	mean	min	max
4 h after light	5.2	5.2	5.2
8 h after light	20.9	3.5	38.3
12 h after light	26.45	17.6	35.3
4 h after dark	40.45	28.3	52.6
8 h after dark	8.45	5.4	11.5
12 h after dark	22.0	7.2	36.8