condition	mean	min	max
4 h after light	31.2	31.2	31.2
8 h after light	6.85	6.3	7.4
12 h after light	40.25	15.2	65.3
4 h after dark	32.0	25.8	38.2
8 h after dark	62.95	59.7	66.2
12 h after dark	62.7	53.9	71.5