condition	mean	min	max
4 h after light	121.4	121.4	121.4
8 h after light	95.35	78.8	111.9
12 h after light	87.35	78.0	96.7
4 h after dark	103.85	90.6	117.1
8 h after dark	89.2	77.2	101.2
12 h after dark	86.1	83.3	88.9