condition	mean	min	max
4 h after light	99.0	99.0	99.0
8 h after light	106.85	76.7	137.0
12 h after light	79.05	71.6	86.5
4 h after dark	76.2	62.2	90.2
8 h after dark	67.0	62.2	71.8
12 h after dark	109.1	103.6	114.6