condition	mean	min	max
4 h after light	42.3	42.3	42.3
8 h after light	49.05	48.2	49.9
12 h after light	48.2	45.3	51.1
4 h after dark	66.85	57.6	76.1
8 h after dark	75.6	73.0	78.2
12 h after dark	71.95	47.4	96.5