condition	mean	min	max
4 h after light	79.8	79.8	79.8
8 h after light	69.9	52.9	86.9
12 h after light	76.8	76.5	77.1
4 h after dark	95.45	91.2	99.7
8 h after dark	101.4	98.1	104.7
12 h after dark	143.4	131.8	155.0