The daytime population of Ouray will swell to several times its normal size on Friday, when thousands of people converge for the Fourth of July. Some things to keep in mind as you enjoy the festivities: A day of activities: The party begins early and continues until after sunset. A quick rundown: Ourayce 10K fun run at 7:30 a.m. at City Hall, parade at 10 a.m. (stand on the east side of Main Street if you want to stay dry), kids’ games at 11 a.m. at Fellin Park, water fights at 2 p.m. at Main and Sixth Avenue and fireworks at dusk (around 9:15 p.m.).