The Holladay 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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3.86 inches of rain fell in two days, the most for this week of the year since records began in 1949. The next wettest, 3.25 inches, fell in 2015.
Holladay’s center stands about 460 ft above sea level. Within three miles the land runs from 390 ft to 630 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Ward Hill, about 690 ft, 10 miles east.
Under the town center the state geologic map shows Coffee Sand, from the Cretaceous, 66 to 145 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 52×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand. Age: Cretaceous, 66 to 145 million years old. About 8 mi of the line.
Fine-detrital, coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 5 mi of the line.
Sand. Age: Cretaceous, 66 to 145 million years old. About 3 mi of the line.
Limestone. Age: Devonian, 359 to 422 million years old. About 2 mi of the line.
Chert. Age: Carboniferous, 324 to 359 million years old. About 2 mi of the line.
Sand. Age: Cretaceous, 66 to 145 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. 1 smaller unit along the line are not listed.
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 Holladay reaches the Gulf of America by way of Birdsong Creek, the Tennessee, the Ohio and the Mississippi: about 1,140 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Holladay; river miles along the main stem, rounded.
Holladay has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 28° in January. About 56 inches of rain fall in a normal year, with about 3 inches of snow.
On November 14 Holladay normally reaches 60° and falls to 38°. The record high is 81°, in 1985; the record low 13°, in 2019. The most rain on this date, 2.35 in, fell in 1957.
Normals 1991–2020 and records since 1949 at Huntingdon Water Plant, 18 miles west-northwest. NOAA, through RCC-ACIS.
