condition	mean	min	max
4 h after light	12.9579	11.6965	14.2193
8 h after light	9.18796	8.81982	9.5561
12 h after light	12.9575	11.6717	14.2433
4 h after dark	13.7033	11.3794	18.1732
8 h after dark	23.13286666666667	22.7554	23.4823
12 h after dark	23.122566666666668	22.7351	23.5238