The Biddeford 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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74° on Nov. 13, 2022, the hottest reading for this week of the year since 1989. Next is 67° in 1989.
Biddeford’s center stands about 90 ft above sea level. Within three miles the land runs from 0 ft to 180 ft, a difference of 180 ft: gently rolling country. Open water lies within three miles. The highest named summit within 15 miles is Grant Hill, about 530 ft, 14 miles west-northwest.
Under the town center the state geologic map shows Carboniferous granite undivided, from the Carboniferous, 299 to 359 million 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 63×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Carboniferous, 299 to 359 million years old. About 9 mi of the line.
Gneiss. Age: Neoproterozoic to Silurian, 422 to 1,000 million years old. About 2 mi of the line.
Sandstone. Age: Late Ordovician to Silurian, 428 to 459 million years old. About 1 mi of the line.
Granite. Age: Carboniferous, 299 to 359 million years old. About 0.8 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 Biddeford reaches the Atlantic Ocean by way of Bush Brook and the Little River: about 5 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Biddeford; river miles along the main stem, rounded.
Biddeford has a warm-summer humid continental climate. Summer afternoons average 77° in July; winter nights fall to about 13° in January. A normal year brings about 49 inches of snow; with the rain, that comes to about 52 inches of water.
On November 14 Biddeford normally reaches 49° and falls to 30°. The record high is 62°, in 2010; the record low 10°, in 2019. The most rain on this date, 1.11 in, fell in 2006.
Normals 1991–2020 and records since 1989 at Kennebunkport, 7 miles southwest. NOAA, through RCC-ACIS.
