condition	mean	min	max
4 h after light	10.4	10.4	10.4
8 h after light	15.6	12.7	18.5
12 h after light	19.3	16.5	22.1
4 h after dark	19.85	16.9	22.8
8 h after dark	17.2	14.2	20.2
12 h after dark	22.4	2.5	42.3