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Do not fill this in! ===Climate=== {{multiple image | align = | direction = horizontal | width = | image1 = ButlerFall2014 08.JPG | width1 = | alt1 = | caption1 = | image2 = Butler Winter 2015 04.jpg | width2 = | alt2 = | caption2 = | header = | header_align = <!-- left/right/center --> | header_background = | footer = [[Autumn leaf color|Fall foliage]] and a late winter snow on the [[Butler University]] campus | footer_align = <!-- left/right/center --> | footer_background = | background color = }} Indianapolis has a [[hot-summer humid continental climate]] ([[Köppen climate classification]] ''Dfa''), but can be considered a borderline [[humid subtropical climate]] ([[Köppen climate classification|Köppen]]: ''Cfa'') using the {{convert|-3|C|F|}} isotherm. It experiences four distinct seasons.<ref>{{Cite journal|last1=Kottek|first1=Marcus|last2=Greiser|first2=Jürgen|last3=Beck|first3=Christoph|last4=Rudolf|first4=Bruno|last5=Rubel|first5=Franz|display-authors=2|title=World Map of Köppen–Geiger Climate Classification|date=June 2006|journal=Meteorologische Zeitschrift|volume=15|issue=3|page=261|doi=10.1127/0941-2948/2006/0130|publisher=E. Schweizerbart'sche Verlagsbuchhandlung|bibcode=2006MetZe..15..259K |url=https://opus.bibliothek.uni-augsburg.de/opus4/files/40083/metz_Vol_15_No_3_p259-263_World_Map_of_the_Koppen_Geiger_climate_classification_updated_55034.pdf}}</ref> The city lies at the transition between [[United States Department of Agriculture|USDA]] plant [[hardiness zone]]s 6a and 6b.<ref>{{cite web |url=https://www.plantmaps.com/hardiness-zones-for-indianapolis-indiana |website=plantmaps.com |title=Indianapolis, Indiana Hardiness Zone Map |access-date=March 23, 2024}}</ref> Typically, summers are fairly hot, humid, and wet. Winters are generally cold with moderate snowfall. The July daily average temperature is {{convert|75.4|°F|1}}. High temperatures reach or exceed {{convert|90|°F|0}} an average of 18 days each year,<ref name="NOAA Indianapolis Weatherbox"/><!-- defined by template:Indianapolis Weatherbox --> and occasionally exceed {{convert|95|°F}}. Spring and autumn are usually pleasant, if at times unpredictable; midday temperature drops exceeding {{convert|30|F-change|disp=or}}<!--Convert template here is for a temperature change--> are common during March and April, and instances of very warm days ({{convert|80|°F|0|disp=or}}) followed within 36 hours by snowfall are not unusual during these months. Winters are cold, with an average January temperature of {{convert|28.1|°F|1}}. Temperatures dip to {{convert|0|°F|0}} or below an average of 3.7 nights per year.<ref name="NOAA Indianapolis Weatherbox"/><!-- defined by template:Indianapolis Weatherbox --> The rainiest months occur in the spring and summer, with slightly higher averages during May, June, and July. May is typically the wettest, with an average of {{convert|5.05|in|cm}} of precipitation.<ref name="NOAA Indianapolis Weatherbox"/><!-- defined by template:Indianapolis Weatherbox --> Most rain is derived from thunderstorm activity; there is no distinct dry season, although occasional droughts occur. Severe weather is not uncommon, particularly in the spring and summer months; the city experiences an average of 20 thunderstorm days annually.<ref>{{cite web|url=https://www.currentresults.com/Weather/US/average-days-thunderstorms-cities-summer.php|title=Total Days With Thunderstorms at US Cities in Summer|publisher=Current Results|access-date=June 11, 2016}}</ref> The city's average annual precipitation is {{convert|42.4|in|cm}}, with snowfall averaging {{convert|25.9|in|cm}} per season. Official temperature extremes range from {{convert|106|°F|0}}, set on [[1936 North American heat wave|July 14, 1936]],<ref name=IndyClimate>{{cite web| title=Indianapolis Climatological Information|publisher=National Weather Service, Weather Forecast Office|url=http://www.crh.noaa.gov/ind/?n=localcli#day|access-date=December 9, 2013}}</ref> to {{convert|-27|°F|0}}, set on [[1994 North American cold wave|January 19, 1994]].<ref name=IndyClimate/><ref name=TWC>{{cite web|url=http://www.weather.com/outlook/travel/businesstraveler/wxclimatology/monthly/graph/IND:9|title=Average Weather for Indianapolis International Airport, IN — Temperature and Precipitation|access-date=June 28, 2010|publisher=The Weather Channel|archive-url=https://web.archive.org/web/20110628234525/http://www.weather.com/outlook/travel/businesstraveler/wxclimatology/monthly/graph/IND:9|archive-date=June 28, 2011|url-status=dead}}</ref> {{Indianapolis weatherbox}} Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. 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