11.   Bob Leidich, of BP Oil in Cleveland, says butane is added in cool weather and reduced in warm weather.

12.   A large high-pressure system over Lake Superior will sponsor sunshine and pleasantly cool weather in the Midwest and northern Ohio Valley.

13.   A light frost has turned most of my vegetable garden to brown vines, but the collards and mustard greens love the cool weather.

14.   A perennial dianthus was a surprise in its resilience to the heat, Hodyss said, since most people think of them as cool weather plants.

15.   A marked change to unseasonably cool weather will begin Monday over the East.

16.   A potent cold front will move off the East Coast early Thursday ushering very cool weather into the Northeast.

17.   Abundant sun and cool weather will cover the Southwest, while fog will be common in the valleys of the interior West.

18.   Adding to these woes were cool weather early this summer and blistering heat last month.

19.   Adding to these woes were cool weather early this summer and blistering heat across much of the nation last month.

20.   Additionally, unusually cool weather along the Atlantic coast caused utility output to decline, the Fed said.