condition	mean	min	max
4 h after light	14.8	14.8	14.8
8 h after light	18.3	7.8	28.8
12 h after light	30.4	21.9	38.9
4 h after dark	8.35	1.9	14.8
8 h after dark	6.0	1.3	10.7
12 h after dark	9.3	3.1	15.5