condition	mean	min	max
4 h after light	7.9	7.9	7.9
8 h after light	30.15	16.8	43.5
12 h after light	26.9	8.2	45.6
4 h after dark	34.45	32.9	36.0
8 h after dark	31.8	8.5	55.1
12 h after dark	14.85	9.8	19.9