Washington, D.C.: Perbedaan antara revisi

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U.S. [[National Park Service]] mengelola sebagian besar habitat alami di Washington, D.C., termasuk [[Rock Creek Park]], [[Chesapeake and Ohio Canal National Historical Park]], [[National Mall]], [[Theodore Roosevelt Island]], [[Constitution Gardens]], [[Meridian Hill Park]], dan [[Anacostia Park]].<ref>{{cite web |url=http://www.nps.gov/state/dc/ |title=District of Columbia |accessdate=July 7, 2008 |publisher=[[National Park Service]] }}</ref> Wilayah habitat alami penting yang tidak dikelola National Park Service adalah [[United States National Arboretum|U.S. National Arboretum]], dioperasikan oleh [[Departemen Pertanian Amerika Serikat|Departemen Pertanian AS]].<ref>{{cite web |url=http://www.usna.usda.gov/Information/historymissn.html |title=U.S. National Arboretum History and Mission |accessdate=July 7, 2008 |date=October 16, 2007 |publisher=[[United States National Arboretum]] }}</ref> [[Great Falls (Potomac River)|Great Falls]], bagian dari Sungai Potomac, terletak di hulu (barat laut) Washington. Selama abad ke-19, Chesapeake dan Ohio Canal, yang berawal di Georgetown, digunakan untuk memungkinkan lalu lintas tongkang melewati air terjun ini.<ref>{{cite web |url=http://www.nps.gov/choh/historyculture/index.htm |title=C&O Canal National Historic Park: History & Culture |accessdate=July 3, 2008 |publisher=[[National Park Service]] }}</ref>
 
{{Weather box
|location = Washington, D.C. ([[Reagan National Airport]]), normal 1981−2010, ekstrim 1871−saat ini{{efn|Official records for Washington, D.C. were kept at 24th and M Streets [[Northwest, Washington, D.C.|NW]] from January 1871 to June 1945, and at Reagan National since July 1945.<ref>[http://threadex.rcc-acis.org/ ThreadEx]</ref>}}
|collapsed = Y
|single line = Y
|imperial first = Y
|Jan high F = 43.4
|Feb high F = 47.1
|Mar high F = 55.9
|Apr high F = 66.6
|May high F = 75.4
|Jun high F = 84.2
|Jul high F = 88.4
|Aug high F = 86.5
|Sep high F = 79.5
|Oct high F = 68.4
|Nov high F = 57.9
|Dec high F = 46.8
|year high F= 66.7
|Jan mean F=36.0
|Feb mean F=39.0
|Mar mean F=46.8
|Apr mean F=56.8
|May mean F=66.0
|Jun mean F=75.2
|Jul mean F=79.8
|Aug mean F=78.1
|Sep mean F=71.0
|Oct mean F=59.5
|Nov mean F=49.6
|Dec mean F=39.7
 
|Jan low F = 28.6
|Feb low F = 30.9
|Mar low F = 37.6
|Apr low F = 47.0
|May low F = 56.5
|Jun low F = 66.3
|Jul low F = 71.1
|Aug low F = 69.7
|Sep low F = 62.4
|Oct low F = 50.6
|Nov low F = 41.2
|Dec low F = 32.5
|year low F= 49.5
|Jan record high F = 79
|Feb record high F = 84
|Mar record high F = 93
|Apr record high F = 95
|May record high F = 99
|Jun record high F = 104
|Jul record high F = 106
|Aug record high F = 106
|Sep record high F = 104
|Oct record high F = 96
|Nov record high F = 86
|Dec record high F = 79
 
|Jan record low F = −14
|Feb record low F = −15
|Mar record low F = 4
|Apr record low F = 15
|May record low F = 33
|Jun record low F = 43
|Jul record low F = 52
|Aug record low F = 49
|Sep record low F = 36
|Oct record low F = 26
|Nov record low F = 11
|Dec record low F = −13
 
|precipitation colour = green
|Jan precipitation inch = 2.81
|Feb precipitation inch = 2.62
|Mar precipitation inch = 3.48
|Apr precipitation inch = 3.06
|May precipitation inch = 3.99
|Jun precipitation inch = 3.78
|Jul precipitation inch = 3.73
|Aug precipitation inch = 2.93
|Sep precipitation inch = 3.72
|Oct precipitation inch = 3.40
|Nov precipitation inch = 3.17
|Dec precipitation inch = 3.05
|year precipitation inch=39.74
 
|Jul snow inch = 0
|Aug snow inch = 0
|Sep snow inch = 0
|Oct snow inch = 0
|Nov snow inch = 0.5
|Dec snow inch = 2.3
|Jan snow inch = 5.6
|Feb snow inch = 5.7
|Mar snow inch = 1.3
|Apr snow inch =trace
|May snow inch = 0
|Jun snow inch = 0
|year snow inch=15.4
|unit precipitation days = 0.01 in
|Jan precipitation days = 9.6
|Feb precipitation days = 9.0
|Mar precipitation days = 10.5
|Apr precipitation days = 10.4
|May precipitation days = 11.1
|Jun precipitation days = 10.7
|Jul precipitation days = 10.3
|Aug precipitation days = 8.2
|Sep precipitation days = 8.3
|Oct precipitation days = 7.7
|Nov precipitation days = 8.6
|Dec precipitation days = 9.7
|year precipitation days=114.1
|unit snow days = 0.1 in
|Jul snow days = 0
|Aug snow days = 0
|Sep snow days = 0
|Oct snow days = 0
|Nov snow days = 0.2
|Dec snow days = 1.5
|Jan snow days = 3.0
|Feb snow days = 2.4
|Mar snow days = 0.9
|Apr snow days = 0.1
|May snow days = 0
|Jun snow days = 0
|year snow days= 8.1
|Jan sun = 144.6 |Jan percentsun = 48
|Feb sun = 151.8 |Feb percentsun = 50
|Mar sun = 204.0 |Mar percentsun = 55
|Apr sun = 228.2 |Apr percentsun = 57
|May sun = 260.5 |May percentsun = 59
|Jun sun = 283.2 |Jun percentsun = 64
|Jul sun = 280.5 |Jul percentsun = 62
|Aug sun = 263.1 |Aug percentsun = 62
|Sep sun = 225.0 |Sep percentsun = 60
|Oct sun = 203.6 |Oct percentsun = 59
|Nov sun = 150.2 |Nov percentsun = 50
|Dec sun = 133.0 |Dec percentsun = 45
|year percentsun = 57
|humidity colour =
|Jan humidity = 62.1
|Feb humidity = 60.5
|Mar humidity = 58.6
|Apr humidity = 58.0
|May humidity = 64.5
|Jun humidity = 65.8
|Jul humidity = 66.9
|Aug humidity = 69.3
|Sep humidity = 69.7
|Oct humidity = 67.4
|Nov humidity = 64.7
|Dec humidity = 64.1
|year humidity =64.3
|source 1 = NOAA (relative humidity and sun 1961−1990)<ref name= NOAA>
{{cite web
|url = http://www.nws.noaa.gov/climate/xmacis.php?wfo=lwx
|title = NowData - NOAA Online Weather Data
|publisher = [[National Oceanic and Atmospheric Administration]]
|accessdate = 2013-12-28}}</ref><ref name="NOAA txt">{{cite web |url=ftp://ftp.ncdc.noaa.gov/pub/data/normals/1981-2010/products/station/USW00013743.normals.txt |publisher=National Oceanic and Atmospheric Administration |title=Station Name: VA WASHINGTON REAGAN AP |deadurl=no |accessdate=2014-03-13}}</ref><ref name=noaasun>
{{cite web
| url = ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP3/72405.TXT
| title = WMO Climate Normals for WASHINGTON DC/NATIONAL ARPT VA 1961–1990
| accessdate = 2014-03-11
| publisher = National Oceanic and Atmospheric Administration
}}</ref><ref name="Apr trace snow">{{cite news|last1=Rogers|first1=Matt|title=April outlook: Winter be gone! First half of month looks warmer than average|url=http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2015/04/01/april-outlook-winter-be-gone-first-half-of-month-looks-warmer-than-average/|accessdate=4 May 2015|work=[[The Washington Post]]|date=1 April 2015}}</ref><!--this is the only source here that explains in clear English that normal April snowfall amounts to a trace-->
}}
 
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