Year,Value,Indiana (State),Temp,Aug,(°F) 1940,74.447 1941,73.363 1942,72.066 1943,74.578 1944,74.24 1945,72.273 1946,68.567 1947,79.004 1948,72.838 1949,72.733 1950,69.911 1951,72.146 1952,72.638 1953,74.622 1954,73.268 1955,76.45 1956,72.956 1957,72.97 1958,72.288 1959,76.46 1960,73.826 1961,71.599 1962,72.693 1963,69.506 1964,71.923 1965,71.099 1966,71.42 1967,68.917 1968,73.728 1969,72.868 1970,73.323 1971,71.319 1972,71.829 1973,73.828 1974,71.97 1975,74.79 1976,70.484 1977,72.445 1978,72.466 1979,71.575 1980,76.468 1981,71.89 1982,70.778 1983,78.24 1984,74.132 1985,71.211 1986,70.504 1987,74.326 1988,76.93 1989,72.637 1990,72.128 1991,74.309 1992,68.999 1993,74.041 1994,71.687 1995,79.059 1996,73.756 1997,70.811 1998,74.06 1999,72.398 2000,72.794 2001,74.732 2002,75.668 2003,73.869 2004,69.589 2005,75.96 2006,74.533 2007,78.642 2008,73.289 2009,71.994 2010,77.421 2011,75.147 2012,73.602 2013,72.697 2014,73.201 2015,72.026 2016,76.52 2017,71.645 2018,75.154 2019,74.073 2020,73.951 2021,76.379 2022,74.549 2023,73.476 2024,73.22