condition	mean	min	max
4 h after light	91.1	91.1	91.1
8 h after light	74.0	43.7	104.3
12 h after light	55.85	51.1	60.6
4 h after dark	71.9	66.0	77.8
8 h after dark	93.25	83.9	102.6
12 h after dark	93.7	71.7	115.7