condition	mean	min	max
0 h after light	7.589180000000001	7.38337	7.79499
4 h after light	7.827484999999999	7.74782	7.90715
8 h after light	3.6519399999999997	3.55058	3.7533
4 h after dark	5.89109	4.73454	7.04764
8 h after dark	10.57275	10.4808	10.6647
12 h after dark	8.583795	8.1532	9.01439