condition	mean	min	max
4 h after light	12.9	12.9	12.9
8 h after light	12.1	6.7	17.5
12 h after light	25.5	12.7	38.3
4 h after dark	15.15	13.8	16.5
8 h after dark	22.35	11.0	33.7
12 h after dark	18.4	15.7	21.1