Holmen, WI Night Sky Brightness
How dark is the sky in Holmen, WI?
Holmen reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 30.6% of the 3,206 cities measured here read darker than Holmen.
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, covered fully in the Bortle scale guide.
The nearest darker sky to Holmen
Onalaska, WI, about 6 miles away as the crow flies, measures in the rural band, one step darker than Holmen. Actual driving distance will run longer than that straight-line figure.
Onalaska, WI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Holmen against the rest of the dataset
Holmen, WI has a population of about 11,866, one of 3,206 US cities of 10,000 or more residents in this dataset. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Holmen comes in at 978, darkest to brightest.