condition	mean	min	max
4 h after light	9.8	9.8	9.8
8 h after light	18.0	8.2	27.8
12 h after light	23.9	21.8	26.0
4 h after dark	57.3	41.8	72.8
8 h after dark	28.25	13.4	43.1
12 h after dark	37.150000000000006	32.6	41.7