condition	mean	min	max
4 h after light	12.985	11.7625	14.2075
8 h after light	14.9625	14.3183	15.6067
12 h after light	14.44255	13.1841	15.701
4 h after dark	5.7410733333333335	5.13425	6.36558
8 h after dark	5.258023333333333	4.89728	5.68633
12 h after dark	6.887026666666666	5.53924	7.99261