Sherwood, OR Night Sky Brightness
Sherwood, OR's night sky, measured from orbit
Satellite radiance puts Sherwood in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 52.3% of the 3,206 cities measured here read darker than Sherwood.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
The nearest darker sky to Sherwood
The closest place in this dataset with a meaningfully darker sky is Lake Oswego, OR, roughly 8 miles away in a straight line, rated rural. Road distance will be more.
Lake Oswego, OR is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Sherwood compares nationally
About 20,441 people live in Sherwood, OR, sized enough to appear in this dataset of 3,206 incorporated US cities. Sherwood's position, 1,668 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.