condition	mean	min	max
4 h after light	28.9	28.9	28.9
8 h after light	10.55	5.6	15.5
12 h after light	22.75	10.2	35.3
4 h after dark	49.1	12.2	86.0
8 h after dark	40.0	33.9	46.1
12 h after dark	18.9	2.8	35.0