The Crescent Bar 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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70° on Nov. 14, 2021, the hottest reading for this week of the year since 1941. Next is 66° in 1976.
Crescent Bar’s center stands about 560 ft above sea level. Within three miles the land runs from 560 ft to 1,630 ft, a difference of 1,070 ft: steep hill country. The highest named summit within 15 miles is Laurel Hill, about 3,750 ft, 13 miles west-northwest.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 5×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Basalt. Age: Late Oligocene to Early Pliocene, 3.6 to 28 million years old. About 11 mi of the line.
Fine-detrital, coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 5 mi of the line.
Silt. Age: Pleistocene, less than 2.6 million years old. About 4 mi of the line.
Sandstone, clay, volcanic. Age: Pleistocene, less than 2.6 million years old. About 4 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 Crescent Bar reaches the Pacific Ocean by way of the Columbia: about 440 river miles.
Lake on the way: Lake Umatilla.
210 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Crescent Bar; river miles along the main stem, rounded.
Crescent Bar has a cold semi-arid climate. Summer afternoons average 87° in July; winter nights fall to about 23° in January. About 8 inches of rain fall in a normal year.
On November 14 Crescent Bar normally reaches 47° and falls to 30°. The record high is 70°, in 2021; the record low 0°, in 1955. The most rain on this date, 0.46 in, fell in 1981.
Normals 1991–2020 and records since 1941 at Quincy, 7 miles east, 730 ft higher. NOAA, through RCC-ACIS.
