condition	mean	min	max
4 h after light	8.673905000000001	7.98019	9.36762
8 h after light	7.1199200000000005	7.04416	7.19568
12 h after light	7.29464	7.02414	7.56514
4 h after dark	6.842736666666666	6.54102	7.22484
8 h after dark	9.504326666666667	8.83289	10.531
12 h after dark	8.071513333333334	7.58001	8.97408