condition	mean	min	max
4 h after light	12.2	12.2	12.2
8 h after light	11.2	8.8	13.6
12 h after light	61.8	46.1	77.5
4 h after dark	38.0	9.0	67.0
8 h after dark	65.75	30.2	101.3
12 h after dark	34.9	28.2	41.6