condition	mean	min	max
4 h after light	10.49774	9.85318	11.1423
8 h after light	9.521909999999998	9.27888	9.76494
12 h after light	12.4809	12.0809	12.8809
4 h after dark	15.021550000000001	14.7619	15.2812
8 h after dark	15.462900000000001	15.1058	15.82
12 h after dark	14.5182	14.2093	14.8271