condition	mean	min	max
4 h after light	60.1	60.1	60.1
8 h after light	53.75	30.6	76.9
12 h after light	37.15	24.7	49.6
4 h after dark	43.95	23.1	64.8
8 h after dark	57.7	44.0	71.4
12 h after dark	54.0	37.5	70.5