condition	mean	min	max
0 h after light	16.91315	15.9483	17.878
4 h after light	11.5994	11.0682	12.1306
8 h after light	9.03462	8.24193	9.82731
4 h after dark	7.6967550000000005	6.82497	8.56854
8 h after dark	8.321390000000001	7.33915	9.30363
12 h after dark	14.3879	13.212	15.5638