Editing Princeton, New Jersey (section)

==Geography==
Princeton is located just south of a long, curving ridge known as Princeton Ridge.<ref>[https://planetprinceton.com/?s=princeton+ridge Recent references to "Princeton Ridge"] {{Webarchive|url=https://web.archive.org/web/20230420150729/https://planetprinceton.com/?s=princeton+ridge |date=April 20, 2023 }} in the local newspaper, ''Planet Princeton''.</ref> As Princeton is in a low-lying area, there have been issues with cell phone signals.<ref>Knapp, Krystal. [https://planetprinceton.com/2017/07/25/many-princeton-residents-reporting-poor-cell-phone-coverage-last-few-months/ "Many Princeton residents reporting poor cell phone coverage last few months"], {{Webarchive | url=https://web.archive.org/web/20230425061936/https://planetprinceton.com/2017/07/25/many-princeton-residents-reporting-poor-cell-phone-coverage-last-few-months/ | date=April 25, 2023}} ''Planet Princeton'', July 25, 2017. Accessed January 13, 2024.</ref> 
According to the [[United States Census Bureau|U.S. Census Bureau]], Princeton had a total area of 18.41 square miles (47.69&nbsp;km<sup>2</sup>), including 17.95 square miles (46.48&nbsp;km<sup>2</sup>) of land and 0.47 square miles (1.21&nbsp;km<sup>2</sup>) of water (2.53%).<ref name=CensusArea/><ref name=GR1 />

[[Cedar Grove, Mercer County, New Jersey|Cedar Grove]],<ref>[http://www.state.nj.us/infobank/localnames.txt Locality Search] {{Webarchive|url=https://web.archive.org/web/20160709092825/http://www.state.nj.us/infobank/localnames.txt |date=July 9, 2016 }}, State of [[New Jersey]]. Accessed May 17, 2015.</ref> [[Port Mercer, New Jersey|Port Mercer]], Princeton Basin, and Jugtown are [[Unincorporated area (New Jersey)|unincorporated communities]] that have been absorbed into Greater Princeton over the years, but still maintain their own community identity.<ref>{{cite book|last1=Federal Writers' Project of the Works Progress Administration for the State of New Jersey|title=Old Princeton's Neighbors|date=1939|publisher=Graphic Arts Press|location=Princeton}}</ref>

Princeton borders the municipalities of [[Hopewell Township, Mercer County, New Jersey|Hopewell Township]], [[Lawrence Township, Mercer County, New Jersey|Lawrence Township]], and [[West Windsor Township, New Jersey|West Windsor Township]] in Mercer County; [[Plainsboro Township, New Jersey|Plainsboro Township]] and [[South Brunswick, New Jersey|South Brunswick Township]] in [[Middlesex County, New Jersey|Middlesex County]]; and [[Franklin Township, Somerset County, New Jersey|Franklin Township]] and [[Montgomery Township, New Jersey|Montgomery Township]] in [[Somerset County, New Jersey|Somerset County]].<ref>[http://global.mapit.mysociety.org/area/752431/touches.html Areas touching Princeton Township] {{Webarchive|url=https://web.archive.org/web/20150518114938/http://global.mapit.mysociety.org/area/752431/touches.html |date=May 18, 2015 }}, MapIt. Accessed May 17, 2015.</ref><ref>[https://www.dvrpc.org/Mapping/Maps/pdf/Mercer_MCDs.pdf Municipalities within Mercer County, NJ] {{Webarchive|url=https://web.archive.org/web/20191127232518/https://www.dvrpc.org/Mapping/Maps/pdf/Mercer_MCDs.pdf |date=November 27, 2019 }}, [[Delaware Valley Regional Planning Commission]]. Accessed November 15, 2019.</ref><ref>[https://www.state.nj.us/transportation/gis/maps/polnoroads.pdf New Jersey Municipal Boundaries] {{Webarchive|url=https://web.archive.org/web/20031204213712/https://www.state.nj.us/transportation/gis/maps/polnoroads.pdf |date=December 4, 2003 }}, [[New Jersey Department of Transportation]]. Accessed November 15, 2019.</ref>

United States Postal ZIP codes for Princeton include 08540, 08541 ([[Educational Testing Service]]), 08542 (largely the old Borough), 08543 ([[PO box]]es), and 08544 (the [[Princeton University|University]]).

===Climate===
Under the [[Köppen climate classification]], Princeton falls within either a [[hot-summer humid continental climate]] (''Dfa'') if the {{convert|0|°C}} isotherm is used or a [[humid subtropical climate]] (''Cfa'') if the {{convert|-3|°C}} isotherm is used. During the summer months, episodes of extreme heat and humidity can occur with [[heat index]] values at or above {{Convert|100.0|F|C}}. On average, the wettest month of the year is July which corresponds with the annual peak in [[thunderstorm]] activity. During the winter months, episodes of extreme cold and wind can occur with [[wind chill]] values below {{Convert|0.0|F|C}}. The [[plant hardiness zone]] at the Princeton Municipal Court is 6b with an average annual extreme minimum air temperature of {{Convert|-0.9|F|C}}.<ref name="USDA">[https://planthardiness.ars.usda.gov/PHZMWeb/InteractiveMap.aspx USDA Interactive Plant Hardiness Map] {{Webarchive|url=https://web.archive.org/web/20210618111217/https://planthardiness.ars.usda.gov/PHZMWeb/InteractiveMap.aspx |date=June 18, 2021 }}, [[United States Department of Agriculture]]. Accessed November 26, 2019.</ref> The average seasonal (November–April) snowfall total is {{convert|24|to|30|in}} and the average snowiest month is February which corresponds with the annual peak in [[nor'easter]] activity.

{{Weather box
| width = auto
| single line = Y
| location = Princeton Municipal Court, Mercer County, NJ (1991–2020 Averages)
| Jan high F  = 	39.8
| Feb high F  = 	42.3
| Mar high F  = 	50.2
| Apr high F  = 	62.6
| May high F  = 	72.2
| Jun high F  = 	81.4
| Jul high F  = 	86.1
| Aug high F  = 	84.2
| Sep high F  = 	77.7
| Oct high F  = 	65.8
| Nov high F  = 	54.9
| Dec high F  = 	44.7
| year high F = 	63.5
| Jan mean F  = 	31.2
| Feb mean F  = 	33.2
| Mar mean F  = 	40.6
| Apr mean F  = 	51.7
| May mean F  = 	61.5
| Jun mean F  = 	70.6
| Jul mean F  = 	75.5
| Aug mean F  = 	73.8
| Sep mean F  = 	66.9
| Oct mean F  = 	55.2
| Nov mean F  = 	44.9
| Dec mean F  = 	36.3
| year mean F = 	53.2
| Jan low F  = 	22.7
| Feb low F  = 	24.1
| Mar low F  = 	31.0
| Apr low F  = 	40.9
| May low F  = 	50.7
| Jun low F  = 	59.9
| Jul low F  = 	65.0
| Aug low F  = 	63.3
| Sep low F  = 	56.2
| Oct low F  = 	44.5
| Nov low F  = 	34.8
| Dec low F  = 	27.8
| year low F = 	42.9
| precipitation colour = green
| Jan precipitation inch  = 	3.41
| Feb precipitation inch  = 	2.69
| Mar precipitation inch  = 	4.07
| Apr precipitation inch  = 	4.14
| May precipitation inch  = 	4.19
| Jun precipitation inch  = 	4.25
| Jul precipitation inch  = 	5.40
| Aug precipitation inch  = 	4.02
| Sep precipitation inch  = 	4.36
| Oct precipitation inch  = 	4.00
| Nov precipitation inch  = 	3.71
| Dec precipitation inch  = 	4.03
| year precipitation inch = 	48.27
| humidity colour = green
| Jan humidity    =	66.0
| Feb humidity    =	62.3
| Mar humidity    =	58.3
| Apr humidity    =	58.2
| May humidity    =	63.0
| Jun humidity    =	67.4
| Jul humidity    =	67.5
| Aug humidity    =	70.0
| Sep humidity    =	71.2
| Oct humidity    =	70.2
| Nov humidity    =	68.4
| Dec humidity    =	67.8
| year humidity   =	65.9
| Jan dew point F =	20.5
| Feb dew point F =	21.8
| Mar dew point F =	27.3
| Apr dew point F =	37.2
| May dew point F =	48.3
| Jun dew point F =	59.1
| Jul dew point F =	63.6
| Aug dew point F =	63.1
| Sep dew point F =	56.5
| Oct dew point F =	45.1
| Nov dew point F =	35.3
| Dec dew point F =	25.8
| year dew point F =	42.1
|source 1 = PRISM Climate Group<ref name=prism>[http://prism.oregonstate.edu/explorer/ PRISM Climate Group] {{Webarchive|url=https://web.archive.org/web/20190725164937/http://prism.oregonstate.edu/explorer/ |date=July 25, 2019 }}, [[Oregon State University]]. Accessed November 26, 2019.</ref>}}

===Ecology===
According to the [[A. W. Kuchler]] U.S. [[potential natural vegetation]] types, Princeton, New Jersey, would have an Appalachian [[Oak]] (''104'') vegetation type with an Eastern [[Hardwood]] Forest (''25'') vegetation form.<ref name="Conservation Biology Institute">[https://databasin.org/datasets/1c7a301c8e6843f2b4fe63fdb3a9fe39 U.S. Potential Natural Vegetation, Original Kuchler Types, v2.0 (Spatially Adjusted to Correct Geometric Distortions)] {{Webarchive|url=https://web.archive.org/web/20190703145441/https://databasin.org/datasets/1c7a301c8e6843f2b4fe63fdb3a9fe39|date=July 3, 2019}}, [[Data Basin]]. Accessed November 26, 2019.</ref>