condition	mean	min	max
4 h after light	13.77915	12.8491	14.7092
8 h after light	8.57775	7.97341	9.18209
12 h after light	10.9611	10.7381	11.1841
4 h after dark	13.596066666666667	13.1499	13.9645
8 h after dark	18.459666666666667	17.8401	19.0862
12 h after dark	16.8661	16.0195	17.4662