condition	mean	min	max
4 h after light	9.880665	9.42903	10.3323
8 h after light	11.86335	11.2266	12.5001
12 h after light	16.842950000000002	15.9829	17.703
4 h after dark	21.9769	21.5454	22.4084
8 h after dark	20.4025	19.8471	20.9579
12 h after dark	15.472349999999999	14.2566	16.6881