The Boring plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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67° on Nov. 14, 1995, the hottest reading for this week of the year since 1899. Next is 66° in 1906.
Boring’s center stands about 510 ft above sea level. Within three miles the land runs from 340 ft to 940 ft, a difference of 600 ft: hilly country. The highest named summit within 15 miles is Lookout Point, about 2,680 ft, 12 miles east-northeast.
Under the town center the state geologic map shows Sedimentary rocks (sandstone-mudstone), from the Pliocene to Pleistocene, less than 5.3 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 10×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone-mudstone. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 8 mi of the line.
Basaltic-andesite, basalt. Age: Early Pliocene to Pleistocene, 1.2 to 3.9 million years old. About 7 mi of the line.
Age: Pliocene to Pleistocene, less than 5.3 million years old. About 3 mi of the line.
Sand, gravel, silt. Age: Holocene, less than 12,000 years old. About 3 mi of the line.
Sandstone, siltstone, mudstone. Age: Miocene to Pliocene, 2.6 to 23 million years old. About 2 mi of the line.
Clay, silt, sand. Age: Pleistocene, less than 2.6 million years old. About 0.8 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Boring reaches the Pacific Ocean by way of North Fork Deep Creek, the Clackamas, the Willamette and the Columbia: about 140 river miles.
100 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Boring; river miles along the main stem, rounded.
Boring has a warm-summer Mediterranean climate. Summer afternoons average 78° in August; winter nights fall to about 35° in January. About 79 inches of rain fall in a normal year, with about 3 inches of snow.
On November 14 Boring normally reaches 49° and falls to 40°. The record high is 67°, in 1995; the record low 13°, in 1955. The most rain on this date, 2.95 in, fell in 1941.
Normals 1991–2020 and records since 1899 at Headworks Portland Wtr B, 11 miles east, 240 ft higher. NOAA, through RCC-ACIS.
