Colorado: Difference between revisions

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{{Otheruses1|the U.S. State}}

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{{US state |

Name = Colorado |

Fullname = State of Colorado |

Flag = Flag of Colorado.svg |

Flaglink = [[Flag of Colorado]] |

Seal = Coloradostateseal.jpg |

Map = Map_of_USA_CO.svg |

Nickname = The Centennial State |

Motto = [[Nil sine numine]] |

Capital = [[Denver, Colorado|Denver]] |

OfficialLang = [[English language|English]] |

Demonym = Coloradoan |

LargestCity = [[Denver, Colorado|Denver]] |

Governor = [[Bill Ritter (politician)|Bill Ritter]] (D)|

Senators = [[Wayne Allard]] (R)<br/>[[Ken Salazar]] (D) |

PostalAbbreviation = CO |

AreaRank = 8^th |

TotalArea = 269,837 |

TotalAreaUS = 104,185 |

LandArea = 268,879 |

LandAreaUS = 103,815 |

WaterArea = 962 |

WaterAreaUS = 371 |

PCWater = 0.36% |

PopRank = 22^nd |

2000Pop = 4,301,261 |

DensityRank = 37^th |

2000Density = 16.01 |

2000DensityUS = 41.5 |

MedianHouseholdIncome = $51,022 |

IncomeRank = 10^th |

AdmittanceOrder = 38^th |

AdmittanceDate = [[August 1]], [[1876]] |

TimeZone = [[Mountain Standard Time Zone|Mountain]]: [[Coordinated Universal Time|UTC]]-7/[[Daylight saving time|DST]]-6 |

Latitude = 37°N to 41°N |

Longitude = 102°03'W to 109°03'W |

Width = 451 |

WidthUS = 280 |

Length = 612 |

LengthUS = 380 |

HighestPoint = [[Mount Elbert]]<ref name=usgs>{{cite web| date = [[2005-04-29]] | url = http://erg.usgs.gov/isb/pubs/booklets/elvadist/elvadist.html#Highest| title = Elevations and Distances in the United States| publisher = U.S. Geological Survey| accessdate = 2007-01-08 }}</ref> |

HighestElev = 4401 |

HighestElevUS = 14,440 |

MeanElev = 2073 |

MeanElevUS = 6,800 |

LowestPoint = [[Arikaree River]]<ref name=usgs/>|

LowestElev = 1010 |

LowestElevUS = 3,315 |

ISOCode = US-CO |

Website = www.colorado.gov

}}

The '''State of Colorado''' ([[IPA]]: /[[IPA chart for English|{{IPA|steɪt əv ,kɑlə'rɒdoʊ}}]]/) is a [[U.S. state|state]] in the [[Rocky Mountains|Rocky Mountain]] [[Mountain states|region]] of the [[United States of America]]. Colorado may also be considered to be a part of the [[Mountain states|Mountain]], [[Southwestern United States|Southwestern]], and [[Central United States|Central]] regions of the United States. The [[United States Census Bureau]] estimates that the state population was 4,753,377 in 2006, a 10.49% increase since [[U.S. Census 2000]].<ref name=PopEstStates>{{cite web | url = http://www.census.gov/popest/states/tables/NST-EST2006-01.csv | title = Table 1: Annual Estimates of the Population for the United States and States, and for Puerto Rico: April 1, 2000 to July 1, 2006 | format = [[comma-separated values|CSV]] | work = 2006 Population Estimates | publisher = U.S. Census Bureau, Population Division | date = [[2006-12-22]] | accessdate = 2007-01-08 }}</ref> [[Denver, Colorado|Denver]] is the [[capital]] and the [[Colorado municipalities by population|most populous city]] of Colorado. Citizens of Colorado are known as [[List of U.S. state residents names|Coloradans]].

==Geography==

{{main|Geography of Colorado}}

The State of Colorado is defined as the geospherical rectangle that stretches from [[37th parallel north|37°N]] to [[41st parallel north|41°N]] latitude and from [[25th meridian west from Washington|102°03'W]] to [[32nd meridian west from Washington|109°03'W]] longitude ([[25th meridian west from Washington|25°W]] to [[32nd meridian west from Washington|32°W]] from the [[Washington Meridian]]).<ref name=ColoradoTerritory>{{cite web | url = http://www.colorado.gov/dpa/doit/archives/territory.pdf | title = An Act to provide a temporary Government for the Territory of Colorado | format = [[PDF]] | publisher = [[Thirty-sixth United States Congress]] | date = [[1861-02-28]] | accessdate = 2007-02-14 }}</ref> Colorado is one of only three [[U.S. state]]s (with [[Wyoming]] and [[Utah]]) that have only lines of [[latitude]] and [[longitude]] for boundaries.

The summit of [[Mount Elbert]] at 4401 meters (14,440 feet) elevation in [[Lake County, Colorado|Lake County]] is the state's highest point and the highest point in the entire [[Rocky Mountains]]. Colorado has approximately 550 mountain peaks that exceed 4000 meters (13,123 feet) elevation. Colorado is the only U.S. state that lies entirely above 1000 meters (3281 feet) elevation. The state's lowest elevation is 1010 meters (3315 feet) at the point on the eastern boundary of [[Yuma County, Colorado|Yuma County]] where the [[Arikaree River]] flows into the [[Kansas|State of Kansas]].

East of the [[Rocky Mountains|Southern Rocky Mountains]] are the [[Colorado Eastern Plains]] of the [[High Plains]], the section of the [[Great Plains]] within Colorado at elevations ranging from 3315 to 6562 feet (1010 to 2000 meters). The states of [[Kansas]] and [[Nebraska]] border Colorado to the east. The plains are sparsely settled with most population along the [[South Platte River|South Platte]] and the [[Arkansas River|Arkansas]] rivers. Rainfall is meager, averaging from 12 to 18 inches (300 to 450 millimeters) annually. There is some irrigated farming, but much of the land is used for [[dryland farming]] or [[ranching]]. [[Winter wheat]] is a typical crop and most small towns in the region boast both a [[water tower]] and a [[grain elevator]].

The bulk of Colorado's population lives along the eastern edge of the Rocky Mountains in the [[Front Range Urban Corridor]]. This region is partially protected from prevailing storms by the high mountains to the west.

To the west lies the eastern slope of the [[Rocky Mountains]] with notable peaks such as [[Longs Peak]], [[Mount Evans]], [[Pikes Peak]], and the [[Spanish Peaks]] near [[Walsenburg, Colorado|Walsenburg]] in the south. This area drains to the east, is forested, and partially urbanized. With urbanization, utilization of the forest for timbering and grazing was retarded, which resulted in accumulation of fuel. During the drought of 2002 devastating [[forest fire]]s swept this area.

{{ussm|colorado.png|co}}

The [[Continental Divide]] stretches across the crest of the Rocky Mountains. To the west of the Continental Divide is the [[Western Slope of Colorado|Western Slope]]. Water west of the Continental Divide drains west into the [[Pacific Ocean]] via the [[Colorado River (U.S.)|Colorado River]].

Within the interior of the Rocky Mountains are several large parks or high broad basins. In the north, on the east side of the Continental Divide is [[North Park]]. North Park is drained by the [[North Platte River]], which flows north into [[Wyoming]]. Just south but on the west side of the Continental Divide is [[Middle Park]], drained by the Colorado River. [[South Park (Colorado basin)|South Park]] is the [[headwater]]s of the South Platte River. To the south lies the [[San Luis Valley]], the headwaters of the [[Rio Grande]], which drains into [[New Mexico]]. Across the [[Sangre de Cristo Range]] to the east of the San Luis Valley lies the [[Wet Mountain Valley]]. These basins, particularly the San Luis Valley, lie along the [[Rio Grande Rift]], a major [[geological formation]], and its branches.

The Rocky Mountains within Colorado contain 54 peaks that are 14,000 feet (4270&nbsp;m) or higher, known as [[fourteener]]s. The mountains are timbered with [[conifer]]s and [[aspen]] to the [[tree-line]], at an elevation of about 12,000 feet (4,000&nbsp;m) in southern Colorado to about 10,500 feet (3,200&nbsp;m) in northern Colorado; above this only alpine vegetation grows. The Rockies are snow-covered only in the winter; most snow melts by mid-August with the exception of a few small glaciers. The [[Colorado Mineral Belt]], stretching from the [[San Juan Mountains]] in the southwest to [[Boulder, Colorado|Boulder]] and [[Central City, Colorado|Central City]] on the front range, contains most of the historic gold- and silver-mining districts of Colorado.

[[Image:Colorado.png|thumb|right|300px|[[Digital elevation model]] relief map of Colorado &mdash; nearly half of the state is flat, despite stereotypes]]The Western Slope is generally drained by the Colorado River and its tributaries. Notable to the south are the [[San Juan Mountains]], an extremely rugged mountain range, and to the west of the San Juans, the [[Colorado Plateau]], a high desert bordering Southern [[Utah]]. [[Grand Junction, Colorado|Grand Junction]] is the largest city on the Western Slope. Grand Junction is served by Interstate Highway I-70. To the southeast of Grand Junction is [[Grand Mesa]], the worlds largest flat-topped mountain. Further east are the [[ski resort]]s of [[Aspen, Colorado|Aspen]], [[Vail, Colorado|Vail]], [[Crested Butte, Colorado|Crested Butte]], and [[Steamboat Springs, Colorado|Steamboat Springs]]. The northwestern corner of Colorado bordering Northern Utah and Western Wyoming is mostly sparsely populated rangeland.

From west to east, the state consists of desert-like basins, turning into plateaus, then alpine mountains, and then the grasslands of the Great Plains. The famous [[Pikes Peak]] is just west of [[Colorado Springs, Colorado|Colorado Springs]]. Its lone peak is visible from near the [[Kansas]] border on clear days.

{{see also|List of Colorado counties|List of Colorado rivers|List of Colorado National Parks}}

===Climate===

[[Image:Longs Peak.jpg|thumb|left|Snowpack accumulation at 14,255 feet (4345&nbsp;[[meter|m]]) on Longs Peak in Rocky Mountain National Park.]]

The climate of Colorado is best described as being cool and dry compared to the rest of the United States. While that is generally true throughout most of the state, the climate of Colorado is very complex. The typical south-north/cooler-warmer variation in other states is generally not applicable at all in Colorado. The climate of a particular locale in Colorado depends not just on the elevation and area lies, but also on the movements of air masses in and around the area. The ___location of mountain ranges and surrounding valleys affect local climate greatly. As a general rule, with an increase in elevation comes a decrease in temperature and an increase in precipitation. A main climatic division in Colorado occurs where the Rocky Mountains begin with the Front Range cities and the plains to the east, the mountains and valleys to the west, and the foothills as a transitional zone in between the two.

====Eastern Plains====

The climate of the Eastern Plains is one of low humidity and moderately low precipitation, usually from 10 to 15&nbsp;inches (250 to 380 [[millimeter|mm]]) annually. The area is known for its abundant sunshine and cool clear nights, which give this area the highest average diurnal temperature range in the United States. In the summer, this area can have many days above 95&nbsp;°F (35 °C) and sometimes 100 °F (38 °C) or more. Temperatures in excess of 115&nbsp;°F (46 °C) in the northeast corner of the state are not uncommon, although 105 °F (41 °C) is the maximum in the front range cities above 5000&nbsp;ft (1500 [[meter|m]]). About 75% of the precipitation falls within the growing season, from April to September, but this area is very prone to droughts. Most of the precipitation comes in the form of thunderstorms which are often severe. Winters are cold and dry: in much of this region, March and April are the snowiest months. The Front Range cities closer to the mountains tend to be warmer in the winter due to [[chinook]] winds which warm the area, sometimes bringing temperatures up to 60&nbsp;°F (16&nbsp;°C) or higher in the winter. <ref name= "Climate of Colorado"> [http://www.wrcc.dri.edu/narratives/COLORADO.htm] Western Regional Climate Center. Last accessed [[2006-10-24]]. </ref> The average July temperature is 57 degrees in the morning and 87 degrees

in the afternoon.The average January temperature is 15 degrees in the morning and 43 degrees in

the afternoon,although temperatures can be 60 one day and 0 the next.

====West of the plains and foothills====

West of the plains and foothills, the weather of Colorado is much less uniform. Even places a few miles (kilometers) apart can experience entirely different weather, depending on the topography of the area. Generally, the wettest season is in the winter in Western Colorado while June is the driest month, which is the opposite of the precipitation patterns in the east. The mountains have cool summers with many days of high temperatures around 60&nbsp;°F (16 °C) and 70&nbsp;°F (21 °C), although frequent thunderstorms can cause a sudden drop in temperatures. Summer nights are cool, and cold at the highest altitudes which can sometimes bring snow even in the middle of the summer. The winters bring abundant, powdery snowfall to the mountains which the skiers love, although even in the winter, there can be many days with abundant sunshine in between major storms. The Western Slope has high summer temperatures similar to those found on the plains while the winters tend to be slightly cooler due to the lack of any warming winds which are common in the plains and Front Range. Other areas in the west have their own unique weather. The [[San Luis Valley]] is generally dry with little rain or snow, although the snow that falls tends to stay on the ground all winter.

[[Image:Lasanimasriverco.jpg|thumb|left|300px|Animas River near [[Durango, Colorado]].]]

====Extreme weather====

Extreme weather is a common occurrence in Colorado. Thunderstorms are common east of the Continental divide in the spring and summer, and Colorado is one of leading states in deaths due to [[lightning]]. Hail is a common sight in the mountains east of the divide and in the northwest part of the state. While not as common as some of the states to the east, much of the Eastern Plains are prone to tornadoes, and there have been some damaging tornadoes there. An example is the [[1990]] [[Limon, Colorado|Limon]] [[Fujita scale|F5]] tornado which devastated the city. Floods are also a factor in the plains, not just from the thunderstorms, but also due to heavy snow in the mountains followed by a warm, dry period which swells rivers with melted snow.

====Records====

The highest temperature ever recorded in Colorado was 118 °F (48 °C) on [[1888-07-11]], at [[Bennett, Colorado|Bennett]], while the lowest was -61 °F (-52 °C) on [[1985-02-01]], at [[Maybell, Colorado|Maybell]].<ref name=StateMaxTemps>{{cite web | url = http://lwf.ncdc.noaa.gov/oa/pub/data/special/maxtemps.pdf | title = Record Highest Temperatures by State | format = [[PDF]] | publisher = [[National Climatic Data Center]] | date = [[2004-01-01]] | accessdate = 2007-01-11 }}</ref><ref name=StateMinTemps>{{cite web | url = http://lwf.ncdc.noaa.gov/oa/pub/data/special/mintemps.pdf | title = Record Lowest Temperatures by State | format = [[PDF]] | publisher = [[National Climatic Data Center]] | date = [[2004-01-01]] | accessdate = 2007-01-11 }}</ref>

==History==

{{main|History of Colorado}}

{{US state insignia |

Name = Colorado |

Motto = ''Nil sine numine'' ([[Latin]], "Nothing without Providence") |

Slogan = ''none'' |

Bird = [[Lark Bunting]] |

Animal = [[Rocky Mountain bighorn sheep]] |

Fish = [[Greenback cutthroat trout]] |

Insect = [[Colorado Hairstreak Butterfly]] |

Flower = [[Rocky Mountain Columbine]] |

Tree = [[Blue Spruce|Colorado Spruce or Blue Spruce]] |

Fossil = [[Stegosaurus]] |

Song = "[[Where the Columbines Grow]]", "[[Rocky Mountain High]]"<ref>{{cite web |url=http://www.denverpost.com/search/ci_5418736 |title=Lawmakers OK 'Rocky Mountain High' |publisher=The Denver Post |date=[[March 12]], [[2007]] |accessdate=2007-03-12}}</ref> |

Folk Dance = [[Square dance]] |

Gemstone = [[Aquamarine]] |

Mineral = [[Rhodochrosite]] |

StateRock = [[Yule Marble]] |

Grass = [[Blue grama]] |

Tartan = [[Colorado State Tartan]] |

Quarter = Colorado quarter, reverse side, 2006.jpg |

QuarterReleaseDate = Released in 2006

}}