condition	mean	min	max
4 h after light	5.327764999999999	5.10295	5.55258
8 h after light	7.77546	7.64272	7.9082
12 h after light	7.5069099999999995	7.2749	7.73892
4 h after dark	10.50827	8.75574	12.2608
8 h after dark	9.061795	8.67931	9.44428
12 h after dark	7.708005	7.65219	7.76382