The Pinhook 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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11° on Nov. 13, 2019, the coldest reading for this week of the year since 1924. Next is 14° in 1940.
Pinhook’s center stands about 300 ft above sea level. Within three miles the land runs from 290 ft to 330 ft, a difference of 40 ft: nearly flat ground. The highest named summit within 15 miles is Wilson Hill, about 480 ft, 15 miles south.
Under the town center the state geologic map shows Holocene series (clay, silt, sand), from the Holocene, less than 12,000 years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay, silt, sand. Age: Holocene, less than 12,000 years old. About 21 mi of the line.
Fine-detrital. Age: Tertiary to Holocene, less than 66 million years old. About 1 mi of the line.
Sand, silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.9 mi of the line.
Sandstone, siltstone. Age: Tertiary, 2.6 to 66 million years old. About 0.5 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.
Pinhook has a humid subtropical climate. Summer afternoons average 87° in July; winter nights fall to about 26° in January. About 53 inches of rain fall in a normal year.
On November 14 Pinhook normally reaches 59° and falls to 39°. The record high is 83°, in 1955; the record low 14°, in 2022. The most rain on this date, 1.48 in, fell in 1957.
Normals 1991–2020 and records since 1924 at Samburg W. L. Refuge, 20 miles south. NOAA, through RCC-ACIS.
