Original sentence: Normal yearly precipitation based on the 30-year average from 1971 to 2000 is 38.7 inches (930 mm).On average, July is the warmest month with a mean temperature of 71.9 °F (22.2 °C), and January, with a mean temperature of 25.7 °F (−3.5 °C), is the coldest.Yearly precipitation rates vary considerably in different areas of the Cleveland metropolitan area, with less precipitation on the western side and directly along the lake, and the most occurring in the eastern suburbs
Edited sentence: </ref  Yearly precipitation rates vary considerably in different areas of the Cleveland metropolitan area, with less precipitation on the western side and directly along the lake, and the most occurring in the eastern suburbs.<ref name="weatherchannel">Monthly Averages for Cleveland, OH.Retrieved on 2007-07-23.The Weather Channel