condition	mean	min	max
4 h after light	5.90822	5.7816	6.03484
8 h after light	7.867805000000001	7.41843	8.31718
12 h after light	12.9005	12.3822	13.4188
4 h after dark	15.44425	14.6083	16.2802
8 h after dark	11.89075	11.7708	12.0107
12 h after dark	11.30705	10.2421	12.372