condition	mean	min	max
4 h after light	24.9	24.9	24.9
8 h after light	12.75	12.0	13.5
12 h after light	40.0	35.8	44.2
4 h after dark	35.15	10.9	59.4
8 h after dark	15.7	2.4	29.0
12 h after dark	6.9	2.9	10.9