condition	mean	min	max
4 h after light	34.1	34.1	34.1
8 h after light	36.45	27.3	45.6
12 h after light	11.0	8.8	13.2
4 h after dark	52.2	34.9	69.5
8 h after dark	33.3	14.2	52.4
12 h after dark	16.55	14.4	18.7