condition mean min max 3 h after light 0.0111638 0.0 0.0334914 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.028298666666666666 0.0 0.084896 6 h after dark 0.0129047 0.0 0.0387141 9 h after dark 0.029653433333333333 0.0 0.0613288 12 h after dark 0.0 0.0 0.0