You’ll notice a large spike in today’s case summary for Colorado. This is due to cases & deaths that occurred days and weeks prior, but not reported to the state until today. This could make it appear as though there are false spikes in day-to-day cases.
https://covid19.colorado.gov/case-data 

6,202 cases
1,221 hospitalized
56 counties
31,180 people tested
226 deaths
54 outbreaks at residential and non-hospital health care facilities