The Juniper Canyon 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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−19° on Nov. 16, 2014, the coldest reading for this week of the year since 1948. Next is −14° in 1955.
Juniper Canyon’s center stands about 3,760 ft above sea level. Within three miles the land runs from 2,980 ft to 4,340 ft, a difference of 1,360 ft: steep hill country. The highest named summit within 15 miles is Pilot Butte, about 5,740 ft, 11 miles east-northeast.
Under the town center the state geologic map shows Basalt, from the Pliocene to Pleistocene, less than 5.3 million years old.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 8×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Age: Pliocene to Pleistocene, less than 5.3 million years old. About 11 mi of the line.
Basalt, andesite. Age: Miocene to Pleistocene, less than 23 million years old. About 4 mi of the line.
Basalt, andesite. Age: Miocene, 5.3 to 23 million years old. About 3 mi of the line.
Rhyolite. Age: Eocene to Early Oligocene, 28 to 56 million years old. About 3 mi of the line.
Coarse-detrital. Age: Pleistocene to Holocene, less than 2.6 million years old. About 1 mi of the line.
Sandstone-mudstone. Age: Late Eocene to Early Miocene, 16 to 38 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 smaller units along the line are not listed.
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 Juniper Canyon reaches the Pacific Ocean by way of Dry Creek, the Crooked River, the Deschutes and the Columbia: about 380 river miles.
Lake on the way: Lake Billy Chinook.
200 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Juniper Canyon; river miles along the main stem, rounded.
Juniper Canyon has a cold semi-arid climate. Summer afternoons average 87° in July; winter nights fall to about 23° in December. About 8 inches of rain fall in a normal year.
On November 14 Juniper Canyon normally reaches 51° and falls to 28°. The record high is 74°, in 1999; the record low −7°, in 1955. The most rain on this date, 0.67 in, fell in 2014.
Normals 1991–2020 and records since 1948 at Redmond Airport, 18 miles west-northwest, 710 ft lower. NOAA, through RCC-ACIS.
