condition	mean	min	max
4 h after light	41.4	41.4	41.4
8 h after light	15.05	14.9	15.2
12 h after light	55.7	40.6	70.8
4 h after dark	15.9	11.3	20.5
8 h after dark	16.8	14.9	18.7
12 h after dark	28.75	16.4	41.1