condition	mean	min	max
4 h after light	48.7	48.7	48.7
8 h after light	52.1	40.6	63.6
12 h after light	54.95	48.2	61.7
4 h after dark	63.2	60.1	66.3
8 h after dark	61.05	57.8	64.3
12 h after dark	43.5	9.6	77.4