The Condon 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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65° on Nov. 12, 1999, the hottest reading for this week of the year since 1959. Next is 62° in 2025.
Condon’s center stands about 3,720 ft above sea level. Within three miles the land runs from 3,620 ft to 4,830 ft, a difference of 1,210 ft: steep hill country. The highest named summit within 15 miles is McDonald Peak, about 9,710 ft, 14 miles southwest.
Under the town center the state geologic map shows Alluvium (gravel, sand, silt), from the Pleistocene to Holocene, less than 1.8 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 4×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Quartzite, metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 9 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 1.8 million years old. About 8 mi of the line.
Metasiltstone, argillite, quartzite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 3 mi of the line.
Quartzite, argillite, metasiltstone. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 2 mi of the line.
Metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 2 mi of the line.
Gravel, sand, silt. Age: Pleistocene to Holocene, less than 1.8 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.
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 Condon reaches the Pacific Ocean by way of the Swan River, the Flathead, the Clark Fork, the Pend Oreille and the Columbia: about 1,130 river miles.
Lakes on the way: Flathead Lake, Lake Pend Oreille, Lake Umatilla and Noxon Rapids Reservoir.
460 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Condon; river miles along the main stem, rounded.
Condon has a dry-summer warm-summer continental climate. Summer afternoons average 78° in July; winter nights fall to about 16° in January. A normal year brings about 136 inches of snow; with the rain, that comes to about 25 inches of water.
On November 14 Condon normally reaches 38° and falls to 24°. The record high is 61°, in 1999; the record low −10°, in 1959. The most rain on this date, 0.69 in, fell in 1998.
Normals 1991–2020 and records since 1959 at Lindbergh Lake, 8 miles south, 600 ft higher. NOAA, through RCC-ACIS.
