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Statistically, September has Cleveland's best weekend weather
Data shows that September brings the most beautiful weather weekends to Cleveland. CLEVELAND, Ohio - Cleveland's best weather happens in September. How do we know? We looked into Cleveland's history and crunched the data, to find that the fairest weather weekends in Cleveland are in September! Cheers to that! Wait, how can you possibly know this? Well, it all begins what you consider "fair" weather. We defined beautiful weather as high temperatures in the 70s, and no rain. Basically, a wonderful day to spend outdoors. Then, we broke the data into two major categories. The first is a long-term historical look at temperature and precipitation data for Cleveland from Jan. 1, 1900, through Aug. 31, 2008. The second category is the recent trend, starting right where we ended: Sept. 1, 2008 through Aug. 31, 2016. This was to compare any recent changes in the "greatest time of year" analysis with very long term trends - over 108 years. What did the two data sets show? Both the long and short-term trends agree that the No. 1 top weekend is in September, but it's which weekend that's the question. The historical data The 1900-2008 record says the second weekend in September is the best weekend, the third weekend comes in a close second, and the first weekend is third best. Top three weekends from Jan. 1, 1900, through Aug. 31, 2008.Rich Exner, cleveland.com All three weekends beat out weekends in every other month. Basically this means these are the weekends with the lowest chances of rain combined with the highest chance of temperatures above 70. June, July, August are warmer, and they come with much more rain. The recent data Recent data shows the the fourth weekend of September is actually best. The next two best weekends? In August and July. The past eight years those weekends have been very dry, and pretty warm too. Top three weekends Sept. 1, 2008 through XXXX.Rich Exner, cleveland.com  Now if you have different definitions of beautiful weather, you would get much different results. What do you think? Are you a fan of September weekends or do you like warmer or colder temperatures? Let us know! Data provided by Rich Exner, check out cleveland.com/datacentral for more weather and other statistical data. Here's the full weekend weather ranking data for Jan. 1, 1900 - Aug. 31, 2008. Weekend weather ranking data Jan. 1, 1900 through Aug. 31, 2008.Rich Exner, cleveland.com  Keep checking cleveland.com/weather for twice daily weather updates for Northeast Ohio, and don't forget to submit any weather questions you may have! Kelly Reardon is cleveland.com's meteorologist. Please follow me on Facebook and Twitter @kreardon0818.
2 points by The Plain Dealer | Term January 1 Statistics 1980 Data set Rain Meteorology 1966