condition mean min max 4 h after light 4.031625 3.22877 4.83448 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0809897 0.0804085 0.0815709 8 h after dark 0.1003826 0.0798802 0.120885 12 h after dark 0.07307040000000001 0.0668003 0.0793405