condition	mean	min	max
4 h after light	9.6	9.6	9.6
8 h after light	59.4	51.8	67.0
12 h after light	42.35	21.7	63.0
4 h after dark	54.9	47.4	62.4
8 h after dark	52.95	45.5	60.4
12 h after dark	27.85	13.1	42.6