condition	mean	min	max
0 h after light	13.9394	13.4409	14.4379
4 h after light	10.055885	8.81167	11.3001
8 h after light	7.530695	7.31887	7.74252
4 h after dark	15.3336	12.7913	17.8759
8 h after dark	14.443950000000001	13.4281	15.4598
12 h after dark	12.5769	12.1126	13.0412