condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0197161 0.0190058 0.0204264 4 h after dark 0.0 0.0 0.0 8 h after dark 0.02888366666666667 0.0 0.048071 12 h after dark 0.011376433333333333 0.0 0.0341293