The Jerico Springs 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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83° on Nov. 14, 1999, the hottest reading for this week of the year since 1970. Next is 81° in 2025.
Jerico Springs’s center stands about 1,020 ft above sea level. Within three miles the land runs from 890 ft to 1,070 ft, a difference of 180 ft: gently rolling country.
Under the town center the state geologic map shows Riverton Formation, Burgner Formation (shale, siltstone, mudstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 2 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, siltstone, mudstone. Age: Carboniferous, 299 to 324 million years old. About 17 mi of the line.
Limestone. Age: Carboniferous, 324 to 359 million years old. About 7 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 Jerico Springs reaches the Gulf of America by way of Bear Creek, Horse Creek, Cedar Creek, the Sac, the Osage, the Missouri and the Mississippi: about 1,590 river miles.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Jerico Springs; river miles along the main stem, rounded.
Jerico Springs has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 23° in January. A normal year brings about 7 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Jerico Springs normally reaches 58° and falls to 38°. The record high is 83°, in 1999; the record low 7°, in 2018. The most rain on this date, 2.16 in, fell in 1985.
Normals 1991–2020 and records since 1970 at Stockton Dam, 14 miles east-northeast. NOAA, through RCC-ACIS.
