The Burley 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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75° on Nov. 12, 1999, the hottest reading for this week of the year since 1917. Next is 71° in 1934.
Burley’s center stands about 4,160 ft above sea level. Within three miles the land runs from 4,130 ft to 4,210 ft, a difference of 80 ft: gently rolling country. The highest named summit within 15 miles is Pine Knob, about 5,830 ft, 12 miles southeast.
Under the town center the state geologic map shows Alluvial deposits (gravel, sand, silt), from the Quaternary, less than 2.6 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 15×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Gravel. Age: Quaternary, less than 2.6 million years old. About 9 mi of the line.
Basalt. Age: Late Pliocene to Pleistocene, less than 3 million years old. About 8 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene to Holocene, less than 33,000 years old. About 2 mi of the line.
Gravel, sand, silt. Age: Quaternary, less than 2.6 million years old. About 2 mi of the line.
Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 2 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 Burley reaches the Pacific Ocean by way of the Snake and the Columbia: about 970 river miles.
Lakes on the way: Lake Umatilla, Brownlee Reservoir, Cove Arm Lake and Hells Canyon Reservoir.
240 miles of the trip are on the Snake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Burley; river miles along the main stem, rounded.
Burley has a cold semi-arid climate. Summer afternoons average 88° in July; winter nights fall to about 21° in January. About 10 inches of rain fall in a normal year.
On November 14 Burley normally reaches 49° and falls to 27°. The record high is 71°, in 1999; the record low 5°, in 1978. The most rain on this date, 0.66 in, fell in 1952.
Normals 1991–2020 and records since 1917 from the Burley Area threaded record (Burley Municipal Airport, here). NOAA, through RCC-ACIS.
