date,tempc,moisture_mineral,moisture_soilless,soil_conductivity,electric_cond
12-21_1900,3.1,0.36,0.42,19.94,nan
12-21_1901,3.1,0.36,0.42,19.93,nan
12-21_1902,3.1,0.36,0.42,19.95,nan
12-21_1903,3.1,0.36,0.42,19.93,nan
12-21_1904,3.1,0.36,0.42,19.96,nan
12-21_1905,3.1,0.36,0.42,19.92,nan
12-21_1906,3.1,0.36,0.42,19.93,nan
12-21_1907,3.1,0.36,0.42,19.94,nan
12-21_1908,3.1,0.36,0.42,19.93,nan
12-21_1909,3.1,0.36,0.42,19.93,nan
12-21_1910,3.1,0.36,0.42,19.93,nan
12-21_1911,3.1,0.36,0.42,19.93,nan
12-21_1912,3.1,0.36,0.42,19.93,nan
12-21_1913,3.1,0.36,0.42,19.94,nan
12-21_1914,3.1,0.36,0.42,19.93,nan
12-21_1915,3.1,0.36,0.42,19.91,nan
12-21_1916,3.1,0.36,0.42,19.9,nan
12-21_1917,3.1,0.36,0.42,19.91,nan
12-21_1918,3.1,0.36,0.42,19.89,nan
12-21_1919,3.1,0.36,0.42,19.9,nan
12-21_1920,3.1,0.36,0.42,19.89,nan
12-21_1921,3.1,0.36,0.42,19.9,nan
12-21_1922,3.1,0.36,0.42,19.9,nan
12-21_1923,3.1,0.36,0.42,19.88,nan
12-21_1924,3.1,0.36,0.42,19.88,nan
12-21_1925,3.1,0.36,0.42,19.88,nan
12-21_1926,3.1,0.36,0.42,19.86,nan
12-21_1927,3.1,0.36,0.42,19.89,nan
12-21_1928,3.1,0.36,0.42,19.88,nan
12-21_1929,3.1,0.36,0.42,19.89,nan
12-21_1930,3.1,0.36,0.42,19.89,nan
12-21_1931,3.1,0.36,0.42,19.87,nan
12-21_1932,3.1,0.36,0.42,19.86,nan
12-21_1933,3.1,0.36,0.42,19.87,nan
12-21_1934,3.1,0.36,0.42,19.85,nan
12-21_1935,3.1,0.36,0.42,19.86,nan
12-21_1936,3.1,0.36,0.42,19.87,nan
12-21_1937,3.1,0.36,0.42,19.89,nan
12-21_1938,3.1,0.36,0.42,19.87,nan
12-21_1939,3.1,0.36,0.42,19.87,nan
12-21_1940,3.1,0.36,0.42,19.85,nan
12-21_1941,3.1,0.36,0.42,19.86,nan
12-21_1942,3.1,0.36,0.42,19.87,nan
12-21_1943,3.1,0.36,0.42,19.84,nan
12-21_1944,3.1,0.36,0.42,19.85,nan
12-21_1945,3.1,0.36,0.42,19.85,nan
12-21_1946,3.1,0.36,0.42,19.89,nan
12-21_1947,3.1,0.36,0.42,19.85,nan
12-21_1948,3.1,0.36,0.42,19.85,nan
12-21_1949,3.1,0.36,0.42,19.85,nan
12-21_1950,3.1,0.36,0.42,19.85,nan
12-21_1951,3.1,0.36,0.42,19.87,nan
12-21_1952,3.1,0.36,0.42,19.87,nan
12-21_1953,3.1,0.36,0.42,19.84,nan
12-21_1954,3.1,0.36,0.42,19.86,nan
12-21_1955,3.1,0.36,0.42,19.85,nan
12-21_1956,3.1,0.36,0.42,19.85,nan
12-21_1957,3.1,0.36,0.42,19.84,nan
12-21_1958,3.1,0.36,0.42,19.86,nan
12-21_1959,3.1,0.36,0.42,19.86,nan