condition mean min max 4 h after light 1.802035 1.79503 1.80904 8 h after light 1.1126260000000001 0.793912 1.43134 12 h after light 2.59025 2.16299 3.01751 4 h after dark 11.169795 9.95319 12.3864 8 h after dark 7.544775 7.31794 7.77161 12 h after dark 4.92635 4.5993 5.2534