How dark is the sky in Hamilton, OH?

Hamilton reads as urban on this dataset's scale. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 88% of the 3,206 cities measured here read darker than Hamilton.

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.

How far Hamilton is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Fairfield, OH, roughly 5 miles away in a straight line, rated suburban edge. Road distance will be more.

Fairfield, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Hamilton against the rest of the dataset

About 63,953 people live in Hamilton, OH, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Hamilton ranks 2,806 from darkest to brightest, 1 being the darkest measured.