The Garland 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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4.43 inches of rain fell in two days, the most for this week of the year since records began in 1892. The next wettest, 4.38 inches, fell in 1957.
Garland’s center stands about 230 ft above sea level. Within three miles the land runs from 200 ft to 280 ft, a difference of 80 ft: gently rolling country. The highest named summit within 15 miles is Krause Hill, about 480 ft, 8 miles west-northwest.
Under the town center the state geologic map shows Alluvium (coarse-detrital, fine-detrital), 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.
Coarse-detrital, fine-detrital. Age: Holocene, less than 12,000 years old. About 11 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 8 mi of the line.
Sand, fine-detrital. Age: Early Eocene, 48 to 56 million years old. About 4 mi of the line.
Sand, clay. Age: Middle Eocene, 38 to 48 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 Garland reaches the Gulf of America by way of McKinney Bayou, the Red River, the Atchafalaya and the Lower Atchafalaya: about 490 river miles.
330 miles of the trip are on the Red River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Garland; river miles along the main stem, rounded.
Garland has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 35° in January. About 49 inches of rain fall in a normal year.
On November 14 Garland normally reaches 65° and falls to 44°. The record high is 86°, in 1955; the record low 20°, in 1940. The most rain on this date, 1.60 in, fell in 1915.
Normals 1991–2020 and records since 1892 at Texarkana Webb Field, 17 miles west-northwest, 150 ft higher. NOAA, through RCC-ACIS.
