condition	mean	min	max
4 h after light	56.24135	53.3548	59.1279
8 h after light	55.130700000000004	54.8447	55.4167
12 h after light	61.103350000000006	59.2197	62.987
4 h after dark	78.366	74.3521	82.3799
8 h after dark	71.03285	68.7827	73.283
12 h after dark	69.0952	67.6306	70.5598