condition	mean	min	max
4 h after light	8.0	8.0	8.0
8 h after light	17.4	14.7	20.1
12 h after light	26.35	10.5	42.2
4 h after dark	16.9	9.7	24.1
8 h after dark	11.95	10.7	13.2
12 h after dark	9.85	9.0	10.7