The Gildford 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.
Partly cloudy
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Mostly cloudy
Showers likely; cooler
Chance of showers
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77° on Nov. 12, 1999, the hottest reading for this week of the year since 1958. Next is 72° in 1990.
Gildford’s center stands about 2,830 ft above sea level. Within three miles the land runs from 2,790 ft to 2,950 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Judith River Formation (sandstone, shale), from the Late Cretaceous, 72 to 84 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 35×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, shale. Age: Late Cretaceous, 72 to 84 million years old. About 24 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 Gildford reaches the Gulf of America by way of Sage Creek, Big Sandy Creek, the Milk River, the Missouri and the Mississippi: about 3,440 river miles.
Lakes on the way: Lake Oahe, Lake Sakakawea, Lake Sharpe and Lake Francis Case.
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 Gildford; river miles along the main stem, rounded.
Gildford has a cold semi-arid climate. Summer afternoons average 84° in July; winter nights fall to about 6° in January. About 11 inches of rain fall in a normal year.
On November 14 Gildford normally reaches 41° and falls to 17°. The record high is 70°, in 1999; the record low −24°, in 2014. The most rain on this date, 0.55 in, fell in 1988.
Normals 1991–2020 and records since 1958 at Gildford, here. NOAA, through RCC-ACIS.
