Five years after flood, Longmont’s Holli Stetson honors the past while looking to the future BoCoPrepsSeptember 14, 2018, 7:42 AMFeaturesGirls Volleyball0 Comments 0 Over an eight-day span in September of 2013, a slow-moving storm dumped more than 17 inches of rain on Boulder County, resulting in a flood that devastated Longmont and Lyons, leaving hundreds of millions of dollars of damage in it’s wake.