condition	mean	min	max
4 h after light	61.7	61.7	61.7
8 h after light	67.85	63.4	72.3
12 h after light	67.55000000000001	67.2	67.9
4 h after dark	59.75	51.9	67.6
8 h after dark	74.25	68.6	79.9
12 h after dark	32.75	25.4	40.1