condition	mean	min	max
4 h after light	60.7	60.7	60.7
8 h after light	55.75	48.6	62.9
12 h after light	47.7	44.2	51.2
4 h after dark	90.55	71.6	109.5
8 h after dark	70.6	47.0	94.2
12 h after dark	41.6	36.2	47.0