condition mean min max 0 h after light 7.7365200000000005 6.97319 8.49985 2 h after light 9.75103 6.81246 12.6896 4 h after light 8.496045 7.60664 9.38545 8 h after light 4.85097 3.22645 6.47549 12 h after light 13.007549999999998 10.9828 15.0323 2 h after dark 11.24995 9.4347 13.0652 4 h after dark 9.639115 5.83573 13.4425 8 h after dark 12.233895 8.00799 16.4598 12 h after dark 12.9145 12.5536 13.2754