condition	mean	min	max
4 h after light	36.6	36.6	36.6
8 h after light	72.1	66.1	78.1
12 h after light	40.6	32.6	48.6
4 h after dark	46.3	44.2	48.4
8 h after dark	42.85	26.2	59.5
12 h after dark	20.5	17.2	23.8