The Entiat 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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70° on Nov. 15, 2021, the hottest reading for this week of the year since 1989. Next is 66° in 1990.
Entiat’s center stands about 760 ft above sea level. Within three miles the land runs from 710 ft to 3,190 ft, a difference of 2,480 ft: mountain country. The highest named summit within 15 miles is Baldy Mountain, about 6,360 ft, 14 miles north-northwest.
The section below crosses 5 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.
Silt. Age: Pleistocene, less than 2.6 million years old. About 10 mi of the line.
Gneiss. Age: Precambrian to Eocene. About 9 mi of the line.
Silt, sand. Age: Holocene, less than 12,000 years old. About 3 mi of the line.
Granite. Age: Precambrian to Eocene. About 2 mi of the line.
Basalt. Age: Late Oligocene to Early Pliocene, 3.6 to 28 million years old. About 0.4 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 Entiat reaches the Pacific Ocean by way of the Columbia: about 480 river miles.
Lake on the way: Lake Umatilla.
210 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Entiat; river miles along the main stem, rounded.
Entiat has a dry-summer hot-summer continental climate. Summer afternoons average 88° in July; winter nights fall to about 25° in January. A normal year brings about 40 inches of snow; with the rain, that comes to about 14 inches of water.
On November 14 Entiat normally reaches 47° and falls to 32°. The record high is 61°, in 2015; the record low 17°, in 2014. The most rain on this date, 0.41 in, fell in 2020.
Normals 1991–2020 and records since 1989 at Entiat Fish Hatchery, 6 miles west-northwest, 270 ft higher. NOAA, through RCC-ACIS.
