How dark is the sky in Coldwater, MI?
Satellite radiance puts Coldwater in the suburban edge band. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 33.7% of the 3,206 cities measured here read darker than Coldwater.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute.
The nearest darker sky to Coldwater
The closest place in this dataset with a meaningfully darker sky is Oregon, OH, roughly 83 miles away in a straight line, rated rural. Road distance will be more.
Oregon, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Coldwater against the rest of the dataset
Coldwater, MI counts roughly 14,314 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Coldwater ranks 1,074 from darkest to brightest, 1 being the darkest measured.