The Shelton 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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7.76 inches of rain fell in two days, the most for this week of the year since records began in 1973. The next wettest, 7.15 inches, fell in 2003.
Shelton’s center stands about 30 ft above sea level. Within three miles the land runs from 10 ft to 370 ft, a difference of 360 ft: rolling country. Open water lies within three miles. The highest named summit within 15 miles is South Mountain, about 3,020 ft, 14 miles west-northwest.
Under the town center the state geologic map shows Younger glacial drift (fine-detrital, coarse-detrital), from the Pleistocene, less than 2.6 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 27×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Fine-detrital, coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 19 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 Shelton reaches Puget Sound and the Pacific Ocean by way of Shelton Creek: about 1 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Shelton; river miles along the main stem, rounded.
Shelton has a warm-summer Mediterranean climate. Summer afternoons average 76° in July; winter nights fall to about 35° in February. About 92 inches of rain fall in a normal year, with about 4 inches of snow.
On November 14 Shelton normally reaches 50° and falls to 39°. The record high is 65°, in 1995; the record low 25°, in 2014. The most rain on this date, 3.23 in, fell in 1975.
Normals 1991–2020 and records since 1973 at Cushman Powerhouse #2, 11 miles north-northwest. NOAA, through RCC-ACIS.
