condition	mean	min	max
4 h after light	9.055775	8.12676	9.98479
8 h after light	11.42925	10.9173	11.9412
12 h after light	15.08775	14.5337	15.6418
4 h after dark	16.02685	15.521	16.5327
8 h after dark	14.375350000000001	14.32	14.4307
12 h after dark	12.6001	12.594	12.6062