condition	mean	min	max
4 h after light	6.4764	6.17301	6.77979
8 h after light	3.98658	3.62694	4.34622
12 h after light	4.6284	4.26762	4.98918
4 h after dark	7.9975950000000005	7.06985	8.92534
8 h after dark	9.88118	9.72156	10.0408
12 h after dark	9.442935	9.16872	9.71715