condition	mean	min	max
0 h after light	12.95185	12.6227	13.281
4 h after light	7.818645	6.25117	9.38612
8 h after light	9.4919	8.7906	10.1932
4 h after dark	15.9581	14.6711	17.2451
8 h after dark	23.571399999999997	23.1821	23.9607
12 h after dark	12.1768	11.1269	13.2267