{"description":{"title":"Grand Rapids, Michigan, Average Temperature Rankings, September 2015","units":"Degrees Fahrenheit","mean":"1991-2020"},"data":{"1-month":{"value":"67.0","mean":"63.1","ties":[],"lowRank":59,"highRank":1,"recordLows":[1993],"recordHighs":[2015],"departure":"3.9","percentile":"highest","lowestSince":2014,"highestSince":"2015"},"2-month":{"value":"68.2","mean":"66.9","ties":[],"lowRank":49,"highRank":11,"recordLows":[1992],"recordHighs":[2021],"departure":"1.3","percentile":"top-third","lowestSince":2014,"highestSince":2010},"3-month":{"value":"69.0","mean":"68.8","ties":{"0":2006,"2":2017},"lowRank":40,"highRank":20,"recordLows":[1992],"recordHighs":[2016],"departure":"0.2","percentile":"top-third","lowestSince":2014,"highestSince":2012},"4-month":{"value":"68.3","mean":"68.7","ties":[1968],"lowRank":32,"highRank":28,"recordLows":[1992],"recordHighs":[2005],"departure":"-0.4","percentile":"normal","lowestSince":2014,"highestSince":2013},"5-month":{"value":"66.8","mean":"66.7","ties":[1970],"lowRank":38,"highRank":22,"recordLows":[1992],"recordHighs":[2018],"departure":"0.1","percentile":"normal","lowestSince":2014,"highestSince":2013},"6-month":{"value":"63.6","mean":"63.5","ties":[1970,2002],"lowRank":40,"highRank":20,"recordLows":[1992],"recordHighs":[2010],"departure":"0.1","percentile":"top-third","lowestSince":2014,"highestSince":2012},"7-month":{"value":"59.1","mean":"59.5","ties":[1964,2008],"lowRank":33,"highRank":27,"recordLows":[1992],"recordHighs":[2012],"departure":"-0.4","percentile":"normal","lowestSince":2014,"highestSince":2012},"8-month":{"value":"53.4","mean":"55.3","ties":[1974],"lowRank":14,"highRank":46,"recordLows":[1965,1989],"recordHighs":[2012],"departure":"-1.9","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"9-month":{"value":"49.8","mean":"51.9","ties":[1966,1967],"lowRank":10,"highRank":50,"recordLows":[1978,2014],"recordHighs":[2012],"departure":"-2.1","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"10-month":{"value":"48.0","mean":"49.7","ties":[1974],"lowRank":18,"highRank":42,"recordLows":[2014],"recordHighs":[2012],"departure":"-1.7","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"11-month":{"value":"46.7","mean":"48.8","ties":[],"lowRank":11,"highRank":48,"recordLows":[1996,2014],"recordHighs":[2012],"departure":"-2.1","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"12-month":{"value":"47.1","mean":"49.0","ties":[1981],"lowRank":13,"highRank":46,"recordLows":[1979],"recordHighs":[2012],"departure":"-1.9","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"18-month":{"value":"52.3","mean":"53.8","ties":[1968,1981],"lowRank":14,"highRank":45,"recordLows":[1993],"recordHighs":[2012],"departure":"-1.5","percentile":"bottom-third","lowestSince":2014,"highestSince":2013},"24-month":{"value":"46.7","mean":"49.0","ties":[],"lowRank":4,"highRank":54,"recordLows":[1979],"recordHighs":[2017],"departure":"-2.3","percentile":"bottom-tenth","lowestSince":1997,"highestSince":2014},"36-month":{"value":"47.5","mean":"49.0","ties":[1969,1996],"lowRank":10,"highRank":47,"recordLows":[1979],"recordHighs":[2012],"departure":"-1.5","percentile":"bottom-third","lowestSince":1996,"highestSince":2014},"48-month":{"value":"48.9","mean":"48.9","ties":[],"lowRank":38,"highRank":18,"recordLows":[1980,1981],"recordHighs":[2013],"departure":"0.0","percentile":"top-third","lowestSince":2006,"highestSince":2014},"60-month":{"value":"48.9","mean":"48.9","ties":[2000,2007],"lowRank":36,"highRank":19,"recordLows":[1982],"recordHighs":[2020],"departure":"0.0","percentile":"normal","lowestSince":2007,"highestSince":2014}}}