date,tempc,moisture_mineral,moisture_soilless,soil_conductivity,electric_cond
09-21_1900,8.4,0.19,0.33,7.49,nan
09-21_1901,8.4,0.19,0.33,7.48,nan
09-21_1902,8.4,0.19,0.32,7.48,nan
09-21_1903,8.4,0.19,0.33,7.49,nan
09-21_1904,8.4,0.19,0.33,7.49,nan
09-21_1905,8.4,0.19,0.33,7.49,nan
09-21_1906,8.4,0.19,0.33,7.5,nan
09-21_1907,8.4,0.19,0.33,7.49,nan
09-21_1908,8.4,0.19,0.33,7.48,nan
09-21_1909,8.4,0.19,0.33,7.49,nan
09-21_1910,8.4,0.19,0.32,7.48,nan
09-21_1911,8.4,0.19,0.33,7.5,nan
09-21_1912,8.4,0.19,0.33,7.5,nan
09-21_1913,8.4,0.19,0.33,7.49,nan
09-21_1914,8.4,0.19,0.33,7.5,nan
09-21_1915,8.4,0.19,0.33,7.49,nan
09-21_1916,8.4,0.19,0.33,7.49,nan
09-21_1917,8.4,0.19,0.33,7.49,nan
09-21_1918,8.4,0.19,0.33,7.48,nan
09-21_1919,8.4,0.19,0.33,7.5,nan
09-21_1920,8.4,0.19,0.33,7.49,nan
09-21_1921,8.4,0.19,0.33,7.5,nan
09-21_1922,8.4,0.19,0.33,7.5,nan
09-21_1923,8.4,0.19,0.33,7.5,nan
09-21_1924,8.4,0.19,0.33,7.5,nan
09-21_1925,8.4,0.19,0.33,7.5,nan
09-21_1926,8.4,0.19,0.33,7.51,nan
09-21_1927,8.4,0.19,0.33,7.5,nan
09-21_1928,8.4,0.19,0.33,7.5,nan
09-21_1929,8.4,0.19,0.33,7.5,nan
09-21_1930,8.4,0.19,0.33,7.5,nan
09-21_1931,8.4,0.19,0.33,7.5,nan
09-21_1932,8.4,0.19,0.32,7.48,nan
09-21_1933,8.4,0.19,0.33,7.49,nan
09-21_1934,8.4,0.19,0.33,7.5,nan
09-21_1935,8.4,0.19,0.32,7.48,nan
09-21_1936,8.4,0.19,0.33,7.5,nan
09-21_1937,8.4,0.19,0.33,7.49,nan
09-21_1938,8.4,0.19,0.33,7.49,nan
09-21_1939,8.4,0.19,0.33,7.49,nan
09-21_1940,8.4,0.19,0.33,7.49,nan
09-21_1941,8.4,0.19,0.32,7.48,nan
09-21_1942,8.4,0.19,0.33,7.5,nan
09-21_1943,8.4,0.19,0.33,7.49,nan
09-21_1944,8.4,0.19,0.32,7.48,nan
09-21_1945,8.4,0.19,0.33,7.5,nan
09-21_1946,8.4,0.19,0.32,7.48,nan
09-21_1947,8.4,0.19,0.33,7.5,nan
09-21_1948,8.4,0.19,0.33,7.49,nan
09-21_1949,8.4,0.19,0.33,7.51,nan
09-21_1950,8.4,0.19,0.33,7.48,nan
09-21_1951,8.4,0.19,0.32,7.48,nan
09-21_1952,8.4,0.19,0.33,7.49,nan
09-21_1953,8.4,0.19,0.33,7.49,nan
09-21_1954,8.4,0.19,0.32,7.48,nan
09-21_1955,8.4,0.19,0.33,7.5,nan
09-21_1956,8.4,0.19,0.33,7.49,nan
09-21_1957,8.4,0.19,0.32,7.47,nan
09-21_1958,8.4,0.19,0.32,7.48,nan
09-21_1959,8.4,0.19,0.32,7.48,nan