condition	mean	min	max
4 h after light	8.35032	5.28628	10.5841
8 h after light	10.177446666666667	3.55634	16.471
12 h after light	11.64133	8.87489	15.9119
4 h after dark	13.7906	10.829	15.4382
8 h after dark	13.53773	7.18589	17.9582
12 h after dark	9.091306666666666	8.64478	9.96053