condition	mean	min	max
4 h after light	33.5	33.5	33.5
8 h after light	40.3	38.0	42.6
12 h after light	29.25	18.5	40.0
4 h after dark	59.8	35.6	84.0
8 h after dark	50.9	19.2	82.6
12 h after dark	21.5	5.6	37.4