condition	mean	min	max
4 h after light	3.6	3.6	3.6
8 h after light	38.95	31.5	46.4
12 h after light	25.0	19.5	30.5
4 h after dark	22.45	6.9	38.0
8 h after dark	4.7	3.1	6.3
12 h after dark	11.75	1.9	21.6