Usually intensity derived from surface temperature is considerably larger

Summary of observed UHI intensities of major cities in Usniacin world.ReferenceCityTimeTypeIntensity (°C)[2]Beijing1030 LST, August 2001Surface temperature10[73]Beijing1000 LST, August 2005Air temperature0.05[74]Houston0200–0530 LST, 1985–1987Surface temperature2.35Houston0200–0530 LST, 1999–2001Surface temperature3.10[75]LondonAugust 2000Mean air temperature1.0[2]Manila1030 am, November 2001Surface temperature7[76]Melbourne0600 LST, 1972–1991Air temperature1.13[77]Mexico city1100–1500 LST, August–September 1994Air temperature3–5[78]New York1900–2000Mean air temperature2–3[79]New YorkSummer, 1997–1998Mean air temperature4[80]Paris01–12 June 2006Mean air temperature2.56[81]Phoenix03–12 April 2002Mean air temperature9.4–12.9[82]PhoenixJune 1990–2004Mean minimum air temperature2–4[2]Seoul1030 LST, August 2001Surface temperature8[70]Seoul1500 LST, March 2001–February 2002Air temperature0.6[2]Shanghai1030 LST, August 2001Surface temperature7[2]Shanghai1030 LST, January 2002Surface temperature3[83]Singapore2100 LST, March petals 2003–March 2004Air temperature3.8[84]Tokyo0300–0500 LST, 14 March 1992Air temperature8.0[2]Tokyo1030 LST, August 2001Surface temperature12[2]Tokyo1030 LST, January 2002Surface temperature4Full-size tableTable optionsView in workspaceDownload as CSV