The Myrtle Point 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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77° on Nov. 16, 2008, the hottest reading for this week of the year since 1971. Next is 74° in 1974.
Myrtle Point’s center stands about 180 ft above sea level. Within three miles the land runs from 20 ft to 1,300 ft, a difference of 1,280 ft: steep hill country. The highest named summit within 15 miles is Split Mountain, about 2,610 ft, 14 miles east-northeast.
Under the town center the state geologic map shows Terrace, pediment, and lag gravels (gravel, boulders, clay), from the Pleistocene to Holocene, less than 2.6 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 9×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Paleocene to Early Eocene, 48 to 66 million years old. About 17 mi of the line.
Mudstone, sandstone. Age: Late Jurassic to Late Cretaceous, 66 to 164 million years old. About 2 mi of the line.
Siltstone, sandstone, mudstone. Age: Early Eocene, 48 to 56 million years old. About 2 mi of the line.
Sandstone. Age: Middle Eocene, 38 to 48 million years old. About 1 mi of the line.
Gravel, boulders, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 1 mi of the line.
Sand, gravel, silt. Age: Holocene, less than 12,000 years old. About 0.9 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 Myrtle Point reaches the Pacific Ocean by way of the South Fork Coquille and the Coquille: about 40 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Myrtle Point; river miles along the main stem, rounded.
Myrtle Point has a warm-summer Mediterranean climate. Summer afternoons average 74° in August; winter nights fall to about 36° in December. About 55 inches of rain fall in a normal year.
On November 14 Myrtle Point normally reaches 59° and falls to 40°. The record high is 73°, in 1995; the record low 18°, in 1978. The most rain on this date, 1.78 in, fell in 1981.
Normals 1991–2020 and records since 1971 at Coquille City, 8 miles north-northwest, 160 ft lower. NOAA, through RCC-ACIS.
