condition	mean	min	max
4 h after light	6.49165	5.7512	7.2321
8 h after light	7.790765	7.2202	8.36133
12 h after light	10.52355	10.3226	10.7245
4 h after dark	14.116633333333334	12.7276	15.3998
8 h after dark	8.54559	6.25274	11.4889
12 h after dark	8.672203333333334	5.60077	11.8038