The Carlsborg 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. 17, 2020, the hottest reading for this week of the year since 1980. Next is 62° in 1990.
Carlsborg’s center stands about 210 ft above sea level. Within three miles the land runs from 70 ft to 890 ft, a difference of 820 ft: hilly country. The highest named summit within 15 miles is Gray Wolf, about 7,180 ft, 14 miles south.
Under the town center the state geologic map shows Oligocene-Miocene marine rocks (sandstone, conglomerate, conglomerate-sandstone), from the Late Eocene to Miocene, 5.3 to 38 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.
Sandstone, conglomerate, conglomerate-sandstone. Age: Late Eocene to Miocene, 5.3 to 38 million years old. About 4 mi of the line.
Sandstone. Age: Triassic to Late Eocene, 34 to 252 million years old. About 3 mi of the line.
Siltstone, sandstone. Age: Middle Eocene to Late Eocene, 34 to 48 million years old. About 3 mi of the line.
Sand, gravel. Age: Pleistocene, less than 2.6 million years old. About 3 mi of the line.
Basalt. Age: Early Paleocene to Middle Eocene, 40 to 64 million years old. About 2 mi of the line.
Sandstone, siltstone. Age: Middle Eocene to Early Miocene, 16 to 48 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. 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 Carlsborg reaches Puget Sound and the Pacific Ocean by way of Matriotti Creek and the Dungeness: about 5 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Carlsborg; river miles along the main stem, rounded.
Carlsborg has a warm-summer Mediterranean climate. Summer afternoons average 70° in July; winter nights fall to about 32° in January. About 17 inches of rain fall in a normal year, with about 1 inch of snow.
On November 14 Carlsborg normally reaches 51° and falls to 35°. The record high is 62°, in 2004; the record low 20°, in 2014. The most rain on this date, 0.94 in, fell in 2015.
Normals 1991–2020 and records since 1980 at Sequim 2 E, 5 miles east, 160 ft lower. NOAA, through RCC-ACIS.
