The Rockport 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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10° on Nov. 13, 2019, the coldest reading for this week of the year since 1902. Next is 14° in 1986.
Rockport’s center stands about 450 ft above sea level. Within three miles the land runs from 350 ft to 470 ft, a difference of 120 ft: gently rolling country. The highest named summit within 15 miles is Indian Hill, about 720 ft, 14 miles east-southeast.
Under the town center the state geologic map shows Raccoon Creek Group (shale, sandstone), from the Carboniferous, 299 to 324 million years old.
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 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.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 9 mi of the line.
Siltstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Sand, silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 4 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Siltstone. Age: Carboniferous, 299 to 324 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.
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 Rockport reaches the Gulf of America by way of the Ohio and the Mississippi: about 1,200 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Rockport; river miles along the main stem, rounded.
Rockport has a humid subtropical climate. Summer afternoons average 85° in July; winter nights fall to about 26° in January. About 51 inches of rain fall in a normal year.
On November 14 Rockport normally reaches 55° and falls to 37°. The record high is 80°, in 1955; the record low 12°, in 2019. The most rain on this date, 3.62 in, fell in 1957.
Normals 1991–2020 and records since 1902 at Tell City, 16 miles east-northeast. NOAA, through RCC-ACIS.
