condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.8360636666666666 0.417749 1.49801 12 h after light 0.37109 0.0 0.620987 4 h after dark 0.622835 0.36295 0.81472 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0