The Noxon 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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64° on Nov. 13, 1999, the hottest reading for this week of the year since 1960. Next is 59° in 1990.
Noxon’s center stands about 2,180 ft above sea level. Within three miles the land runs from 2,170 ft to 5,350 ft, a difference of 3,180 ft: mountain country. The highest named summit within 15 miles is Elephant Peak, about 7,860 ft, 9 miles northeast.
Under the town center the state geologic map shows Gravel, from the Pleistocene to Holocene, less than 1.8 million years old.
The section below crosses 7 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.
Metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 8 mi of the line.
Quartzite, argillite, metasiltstone. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 5 mi of the line.
Quartzite, metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Metasiltstone, argillite, quartzite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 3 mi of the line.
Age: Pleistocene to Holocene, less than 1.8 million years old. About 2 mi of the line.
Metasiltstone, argillite, quartzite. Age: Mesoproterozoic, 1 to 1.6 billion 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. 1 smaller unit 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 Noxon reaches the Pacific Ocean by way of Pilgrim Creek, the Clark Fork, the Pend Oreille and the Columbia: about 880 river miles.
Lakes on the way: Lake Pend Oreille and Lake Umatilla.
460 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Noxon; river miles along the main stem, rounded.
Noxon has a dry-summer warm-summer continental climate. Summer afternoons average 85° in July; winter nights fall to about 22° in January. A normal year brings about 51 inches of snow; with the rain, that comes to about 27 inches of water.
On November 14 Noxon normally reaches 41° and falls to 29°. The record high is 61°, in 1999; the record low 6°, in 1978. The most rain on this date, 1.32 in, fell in 2007.
Normals 1991–2020 and records since 1960 at Trout Creek Rs, 11 miles southeast, 230 ft higher. NOAA, through RCC-ACIS.
