condition	mean	min	max
4 h after light	67.7	67.7	67.7
8 h after light	53.7	35.9	71.5
12 h after light	43.7	33.9	53.5
4 h after dark	104.8	90.5	119.1
8 h after dark	61.8	45.1	78.5
12 h after dark	88.4	77.5	99.3