Illinois topographic map

Pennsylvania's diverse topography also produces a variety of climates, though the entire state experiences cold winters and humid summers. Straddling two major zones, the majority of the state, except for the southeastern corner, has a humid continental climate (Köppen climate classification Dfb). The…

Average elevation: 340 m

Economic prosperity in the 1920s stimulated tourism to Florida and related development of hotels and resort communities. Combined with its sudden elevation in profile was the Florida land boom of the 1920s, which brought a brief period of intense land development. In 1925, the Seaboard Air Line broke the FEC's…

Average elevation: 6 m

The county's western portion is hilly, with wide valleys that accommodate Binghamton and its suburbs. In the northern portion, Interstate 81 traverses a wide glacial valley. The eastern part of the county is much more rugged, as the land rises to the Catskill Mountains. The terrain generally slopes to the…

Average elevation: 413 m

The heavily forested Upper Peninsula is relatively mountainous in the west. The Porcupine Mountains, which are part of one of the oldest mountain chains in the world, rise to an altitude of almost 2,000 feet (610 m) above sea level and form the watershed between the streams flowing into Lake Superior and Lake…

Average elevation: 259 m

High Point in Montague Township, Sussex County is the state's highest elevation at 1,803 feet (550 m) above sea level. The state's highest prominence is Kitty Ann Mountain in Morris County, rising 892 feet (272 m). The Palisades are a line of steep cliffs on the west side of the Hudson River in Bergen and…

Average elevation: 72 m

California's mountains produce rain shadows on the eastern side, creating extensive deserts. The higher elevation deserts of eastern California have hot summers and cold winters, while the low deserts east of the Southern California mountains have hot summers and nearly frostless mild winters. Death Valley, a…

Average elevation: 929 m

North Carolina is defined by a wide range of elevations and landscapes. From west to east, North Carolina's elevation descends from the Appalachian Mountains to the Piedmont and Atlantic coastal plain. North Carolina's Mount Mitchell at 6,684 feet (2,037 m) is the highest point in North America east of the…

Average elevation: 163 m

Center City is about 750 feet (229 m) above sea level, although the hilly city's inhabited portions range about from 650 to 1,400 feet (200 to 430 m). The city is flanked by mountains to the east and west whose elevations range from 1,900 to 2,100 feet (580 to 640 m).

Average elevation: 360 m

Washington is the 18th-largest state, with an area of 71,362 square miles (184,830 km2), and the 13th-most populous state, with more than 7.7 million people. The majority of Washington's residents live in the Seattle metropolitan area, the center of transportation, business, and industry on Puget Sound, an…

Average elevation: 796 m

The city's land has been altered substantially by human intervention, with considerable land reclamation along the waterfronts since Dutch colonial times; reclamation is most prominent in Lower Manhattan, with developments such as Battery Park City in the 1970s and 1980s. Some of the natural relief in…

Average elevation: 19 m

With 10 climatic regions, 14 soil regions and 11 distinct ecological regions, regional classification becomes problematic with differences in soils, topography, geology, rainfall, and plant and animal communities. One classification system divides Texas, in order from southeast to west, into the following:…

Average elevation: 518 m

Average elevation: 241 m

West Virginia is located entirely within the Appalachian Region, and the state is almost entirely mountainous, giving the reason for the nickname The Mountain State and the motto Montani Semper Liberi ("Mountaineers are always free"). The elevations and ruggedness drop near large rivers like the Ohio River or…

Average elevation: 430 m

The terrain rises rapidly from the river valley in the east to the rolling foothills of the Poconos in the west. The highest point is one of two unnamed hills in Greene Township that top out at approximately 2,110 feet (643 m) above sea level. The lowest elevation is approximately 340 feet (103.6 m), at the…

Average elevation: 361 m

Tennessee has diverse terrain and landforms, and from east to west, contains a mix of cultural features characteristic of Appalachia, the Upland South, and the Deep South. The Blue Ridge Mountains along the eastern border reach some of the highest elevations in eastern North America, and the Cumberland Plateau…

Average elevation: 233 m

Despite its small size, Massachusetts features numerous topographically distinctive regions. The large coastal plain of the Atlantic Ocean in the eastern section of the state contains Greater Boston, along with most of the state's population, as well as the distinctive Cape Cod peninsula. To the west lies the…

Average elevation: 128 m

Thirty days later on February 28, 1861, outgoing U.S. President James Buchanan signed an Act of Congress organizing the free Territory of Colorado. The original boundaries of Colorado remain unchanged except for government survey amendments. The name Colorado was chosen because it was commonly believed that…

Average elevation: 2,060 m

Much of the city was built on forested land, marshes, or swamps, and all are still visible in surrounding areas. Flat terrain and extensive greenfield development have combined to worsen flooding. Downtown stands about 50 feet (15 m) above sea level, and the highest point in far northwest Houston is about 150…

Average elevation: 25 m

Alabama is bordered by the states of Tennessee to the north, Georgia to the east, Florida to the south, and Mississippi to the west. Alabama has coastline at the Gulf of Mexico, in the extreme southern edge of the state. The state ranges in elevation from sea level at Mobile Bay to more than 2,000 feet (610 m)…

Average elevation: 136 m

Average daytime highs are in the mid 70s°F to low 80s°F (24–28 °C) throughout the state in July, with overnight lows in the mid 50s°F to low 60s°F (13–15 °C). January temperatures range from an average high of 34 °F (1 °C) on the coast to overnight lows below 0 °F (−18 °C) in the far north and…

Average elevation: 293 m

Average elevation: 9 m

Georgia is defined by a diversity of landscapes, flora, and fauna. The state's northernmost regions include the Blue Ridge Mountains, part of the larger Appalachian Mountain system. The Piedmont plateau extends from the foothills of the Blue Ridge south to the Fall Line, an escarpment to the Coastal Plain…

Average elevation: 136 m

The average altitude of Indiana is about 760 feet (230 m) above sea level. The highest point in the state is Hoosier Hill in Wayne County at 1,257 feet (383 m) above sea level. The lowest point at 320 feet (98 m) above sea level is in Posey County, where the Wabash River meets the Ohio River. The resulting…

Average elevation: 226 m

Over four–fifths of New Mexico is higher than 4,000 feet (1,250 meters) above sea level. The average elevation ranges from up to 8,000 feet (2,500 meters) above sea level in the northwest, to less than 4,000 feet in the southeast. The highest point is Wheeler Peak at over 13,160 feet (4,011 meters) in the…

Average elevation: 1,687 m

Winters (December through mid-March) are generally cold from south to north in Connecticut. The coldest month (January) has average high temperatures ranging from 38 °F (3 °C) in the coastal lowlands to 33 °F (1 °C) in the inland and northern portions on the state. The lowest temperature recorded in…

Average elevation: 118 m

Much of the northern part of the state is within the Great Basin, a mild desert that experiences hot temperatures in the summer and cold temperatures in the winter. Occasionally, moisture from the Arizona Monsoon will cause summer thunderstorms; Pacific storms may blanket the area with snow. The state's…

Average elevation: 1,475 m

The Atlantic Coastal plain consists of sediments and sedimentary rocks that range in age from Cretaceous to Present. The terrain is relatively flat and the soil is composed predominantly of sand, silt, and clay. Areas with better drainage make excellent farmland, though some land is swampy. An unusual feature…

Average elevation: 85 m

Rhode Island covers an area of 1,214 square miles (3,144 km2) within the New England region of the Northeastern United States and is bordered on the north and east by Massachusetts, on the west by Connecticut, and on the south by Rhode Island Sound and the Atlantic Ocean. It shares a narrow maritime border…

Average elevation: 53 m

The Wyoming Valley, also referred to as the Anthracite Valley Section of Pennsylvania, runs directly through Luzerne County. It extends from the northeastern border (with Lackawanna County) to the western border (with Columbia County). The valley is flat (at the Susquehanna Basin) and rises from 512 to 2,000…

Average elevation: 402 m

Arkansas's plant life varies with its climate and elevation. The pine belt stretching from the Arkansas delta to Texas consists of dense oak-hickory-pine growth. Lumbering and paper milling activity is active throughout the region. In eastern Arkansas, one can find Taxodium (cypress), Quercus nigra (water…

Average elevation: 156 m

Just south of Jacksonville and north of Saint Augustine is the boundary of where the Floridian Peninsula ends and Continental North America begins; Jacksonville is north of that line. While still in the North American Coastal plain, the topography begins to take on slight Piedmont characteristics. Like the…

Average elevation: 10 m

Hawaiʻi has a tropical climate. Temperatures and humidity tend to be less extreme because of near-constant trade winds from the east. Summer highs usually reach around 88 °F (31 °C) during the day, with the temperature reaching a low of 75 °F (24 °C) at night. Winter day temperatures are usually around 83…

Average elevation: 2 m

The land to the south of this moraine to the South Shore is the outwash plain of the last glacier. One part of the outwash plain was known as the Hempstead Plains, and this land contained one of the few natural prairies to exist east of the Appalachian Mountains. The glaciers melted and receded to the north,…

Average elevation: 42 m

According to the U.S. Census Bureau, the city has a total area of 7.2 square miles (19 km2), of which 6.8 square miles (18 km2) is land and 0.3 square miles (0.78 km2), or 4.60%, is water. The city is bordered by the Susquehanna River to the west. Most of Downtown is located on a wide floodplain. Floodwalls…

Average elevation: 218 m

Worcester is known for being particularly snowy in the cold months, sometimes even experiencing autumn blizzards. The city averages 48.1 inches (1,220 mm) of precipitation a year, as well as an average of 72.9 inches (185 cm) of snowfall a season, receiving far more snow than coastal locations less than 40…

Average elevation: 186 m

Mississippi is entirely composed of lowlands, the highest point being Woodall Mountain, at 807 ft (246 m) above sea level, in the northeastern part of the state. The lowest point is sea level at the Gulf Coast. The state's mean elevation is 300 ft (91 m) above sea level.

Average elevation: 74 m

Founded in 1718 by French colonists, New Orleans was once the territorial capital of French Louisiana before becoming part of the United States in the Louisiana Purchase of 1803. New Orleans in 1840 was the third most populous city in the United States, and it was the largest city in the American South from…

Average elevation: 1 m

Average elevation: 302 m

Average elevation: 7 m

Idaho's climate varies widely. Although the state's western border is about 330 miles (530 km) from the Pacific Ocean, the maritime influence is still felt in Idaho; especially, in the winter when cloud cover, humidity, and precipitation are at their maximum extent. This influence has a moderating effect in…

Average elevation: 1,533 m