condition	mean	min	max
4 h after light	6.40922	6.03692	6.78152
8 h after light	4.019425	3.10573	4.93312
12 h after light	17.012700000000002	13.4692	20.5562
4 h after dark	16.407966666666667	14.3296	18.1732
8 h after dark	9.135986666666666	8.46033	10.2694
12 h after dark	6.630730000000001	3.03135	8.75777