A string of record breaking maximum temperatures and numerous fires and almost no precipitation in Colorado during the month of June 2012 had people wondering - What's up with the weather? For example Boulder, Colorado had the hottest average maximum temperature (91.2° F) for the month of June. The period from March to June was the driest in the city's weather records dating back to 1894. Is this natural variation? Is it climate change? Has this happened before? The pages below give some background information to help answer these questions.