condition	mean	min	max
0 h after light	68.14545000000001	67.1991	69.0918
4 h after light	50.051649999999995	48.186	51.9173
8 h after light	45.808949999999996	43.1371	48.4808
4 h after dark	69.00465	56.9867	81.0226
8 h after dark	66.514	65.0739	67.9541
12 h after dark	56.87795	50.7859	62.97