condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.059192 0.0 0.177576 9 h after light 0.0814471 0.0635127 0.110869 12 h after light 0.11226533333333333 0.0 0.336796 3 h after dark 0.1681001 0.0 0.409119 6 h after dark 0.11390499999999999 0.0 0.196051 9 h after dark 0.08318433333333333 0.0 0.249553 12 h after dark 0.0 0.0 0.0