CRUTEM4 714590 : LEADER temperature Lat: 50.90 (N) Lon: -109.50 (W) Elevation (m): 676.00 Start and End Years, and First Year Used (earlier years not considered reliable) 1924 2012 1924 Please cite: Osborn & Jones (2014) Earth System Science Data (doi:10.5194/essd-6-61-2014) Jones et al. (2012) J. Geophys. Res. (doi:10.1029/2011JD017139) Missing code: -99.99 Each seasonal mean requires all 3 months to have data Each annual mean requires all 12 months to have data Year, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec, DJF, MAM, JJA, SON, Annual 1924, -15.50, -5.00, -1.70, 4.00, 9.30, 12.50, 17.70, 15.60, 12.60, 6.50, -5.20, -18.60, -99.99, 3.87, 15.27, 4.63, 2.68 1925, -16.70, -12.20, -7.50, 6.10, 10.20, 13.70, 18.20, 16.50, 9.70, -1.50, -2.90, -9.60, -15.83, 2.93, 16.13, 1.77, 2.00 1926, -9.50, -8.30, -4.10, 5.00, 10.40, 13.30, 21.90, 15.20, 5.60, 4.50, -7.50, -12.60, -9.13, 3.77, 16.80, 0.87, 2.83 1927, -14.80, -12.50, -2.50, 3.40, 7.70, 15.30, 17.40, 16.20, 11.30, 6.50, -10.10, -20.10, -13.30, 2.87, 16.30, 2.57, 1.48 1928, -10.00, -8.00, -2.10, 3.10, 14.30, 13.70, 18.10, 16.10, 11.60, 3.40, -0.70, -6.80, -12.70, 5.10, 15.97, 4.77, 4.39 1929, -20.90, -15.40, 0.10, 2.40, 9.30, 14.70, 21.00, 20.30, 10.10, 6.90, -2.90, -13.40, -14.37, 3.93, 18.67, 4.70, 2.68 1930, -19.80, -4.40, -2.10, 8.80, 11.10, 15.20, 20.20, 20.40, 12.10, 3.00, -1.10, -4.00, -12.53, 5.93, 18.60, 4.67, 4.95 1931, -3.90, -1.40, -2.70, 6.00, 11.90, 17.90, 19.50, 18.70, 12.80, 6.60, -6.50, -8.80, -3.10, 5.07, 18.70, 4.30, 5.84 1932, -15.70, -13.10, -8.80, 6.90, 12.20, 16.50, 18.70, 17.80, 12.00, 3.00, -5.20, -10.80, -12.53, 3.43, 17.67, 3.27, 2.79 1933, -12.50, -13.80, -2.20, 3.90, 11.70, 18.80, 20.60, 19.10, 11.40, 2.70, -2.50, -18.40, -12.37, 4.47, 19.50, 3.87, 3.23 1934, -6.90, -4.90, -2.80, 7.50, 15.80, 14.40, 19.00, 17.90, 8.30, 7.20, -2.20, -14.00, -10.07, 6.83, 17.10, 4.43, 4.94 1935, -22.00, -8.40, -9.10, 1.00, 9.50, 14.80, 20.60, 16.20, 12.40, 4.40, -10.50, -9.80, -14.80, 0.47, 17.20, 2.10, 1.59 1936, -20.00, -28.10, -6.40, 2.30, 15.50, 16.70, 24.10, 19.50, 12.60, 5.70, -1.00, -12.90, -19.30, 3.80, 20.10, 5.77, 2.33 1937, -24.70, -16.40, -3.90, 7.20, 13.00, 18.00, 22.20, 18.50, 14.30, 8.00, -4.40, -12.10, -18.00, 5.43, 19.57, 5.97, 3.31 1938, -10.40, -17.50, -2.90, 4.90, 11.30, 17.50, 21.00, 17.30, 18.00, 8.70, -3.20, -8.30, -13.33, 4.43, 18.60, 7.83, 4.70 1939, -8.00, -19.00, -5.70, 6.20, 13.40, 12.60, 19.70, 18.70, 12.50, 3.50, 2.60, -3.80, -11.77, 4.63, 17.00, 6.20, 4.39 1940, -18.00, -12.40, -5.30, 0.60, 13.60, 16.40, 18.70, 19.90, 16.60, 8.80, -9.60, -7.60, -11.40, 2.97, 18.33, 5.27, 3.47 1941, -12.30, -11.60, -3.70, 7.60, 12.80, 17.50, 21.90, 19.40, 10.40, 6.30, 0.40, -5.60, -10.50, 5.57, 19.60, 5.70, 5.26 1942, -6.50, -10.30, 0.20, 6.30, 11.10, 14.80, 19.10, 18.00, 12.40, 6.90, -5.80, -11.70, -7.47, 5.87, 17.30, 4.50, 4.54 1943, -19.90, -10.00, -10.00, 8.70, 10.20, 14.30, 21.00, 19.20, 13.50, 8.70, 0.90, -4.90, -13.87, 2.97, 18.17, 7.70, 4.31 1944, -10.20, -10.90, -8.50, 8.30, 14.70, 16.40, 20.10, 18.60, 13.80, 10.20, -6.30, -8.70, -8.67, 4.83, 18.37, 5.90, 4.79 1945, -12.40, -10.80, -0.40, 1.50, 9.40, 14.90, 20.70, 19.50, 10.80, 6.20, -9.90, -12.90, -10.63, 3.50, 18.37, 2.37, 3.05 1946, -11.90, -10.80, 1.80, 9.00, 10.80, 15.60, 21.60, 17.40, 11.90, 3.70, -7.20, -13.00, -11.87, 7.20, 18.20, 2.80, 4.07 1947, -12.00, -16.40, -8.00, 6.20, 10.90, 14.80, 22.10, 18.50, 11.80, 7.90, -6.70, -10.50, -13.80, 3.03, 18.47, 4.33, 3.22 1948, -8.80, -15.10, -10.30, 1.00, 12.80, 18.10, 19.60, 19.80, 15.30, 8.00, -1.30, -16.90, -11.47, 1.17, 19.17, 7.33, 3.52 1949, -99.99, -15.10, -3.20, 9.70, 13.80, 16.10, 20.20, 20.80, 14.00, 4.20, 2.80, -16.80, -99.99, 6.77, 19.03, 7.00, -99.99 1950, -29.30, -10.60, -6.10, 2.60, 11.10, 16.80, 20.40, 17.40, 13.90, -99.99, -99.99, -9.90, -18.90, 2.53, 18.20, -99.99, -99.99 1951, -99.99, -99.99, -99.99, 5.60, 13.50, 12.70, 18.80, 15.80, 10.10, 2.00, -4.50, -14.30, -99.99, -99.99, 15.77, 2.53, -99.99 1952, -18.60, -10.20, -9.10, 9.30, 13.20, 15.70, 17.80, -99.99, 14.00, 6.50, -1.50, -7.30, -14.37, 4.47, -99.99, 6.33, -99.99 1953, -13.30, -8.80, -4.80, 1.20, 10.70, 15.10, 19.80, 19.30, 13.90, 10.50, 1.60, -99.99, -9.80, 2.37, 18.07, 8.67, -99.99 1954, -22.70, -2.60, -6.10, -99.99, 9.80, -99.99, -99.99, -99.99, -99.99, 6.50, 3.90, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1955, -10.60, -12.50, -11.30, 4.90, -99.99, -99.99, 19.00, 18.80, 12.00, 7.20, -13.30, -99.99, -99.99, -99.99, -99.99, 1.97, -99.99 1956, -16.50, -13.80, -6.80, -99.99, -99.99, 21.00, 19.70, -99.99, 13.00, 6.30, -0.30, -11.30, -99.99, -99.99, -99.99, 6.33, -99.99 1957, -17.60, -12.00, -3.60, 4.20, -99.99, 16.10, -99.99, 17.60, 13.70, 3.30, -1.40, -5.00, -13.63, -99.99, -99.99, 5.20, -99.99 1958, -6.60, -12.40, -6.00, 6.20, 15.30, 15.20, 18.70, -99.99, 13.10, 7.80, -3.70, -8.30, -8.00, 5.17, -99.99, 5.73, -99.99 1959, -16.50, -11.70, -99.99, 4.80, -99.99, 17.50, 20.00, -99.99, 11.10, -99.99, -3.40, -3.90, -12.17, -99.99, -99.99, -99.99, -99.99 1960, -13.40, -10.00, -6.60, 5.10, -99.99, 15.20, 21.90, -99.99, 14.00, 7.60, -5.20, -8.40, -9.10, -99.99, -99.99, 5.47, -99.99 1961, -7.80, -7.10, -0.40, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -7.77, -99.99, -99.99, -99.99, -99.99 1962, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1963, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1964, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1965, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1966, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1967, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1968, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99 1969, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, -99.99, 0.70, -1.60, -5.90, -99.99, -99.99, -99.99, -99.99, -99.99 1970, -17.00, -9.30, -7.80, 3.50, 10.70, 18.60, 19.80, 18.90, 10.90, 4.00, -7.30, -14.60, -10.73, 2.13, 19.10, 2.53, 2.53 1971, -17.70, -9.40, -7.60, 4.00, 12.70, 15.40, 17.00, 21.40, 11.10, 4.70, -2.60, -16.60, -13.90, 3.03, 17.93, 4.40, 2.70 1972, -18.60, -15.50, -5.80, 5.20, 12.60, 17.20, 16.40, 20.20, 8.00, 4.10, -2.00, -15.00, -16.90, 4.00, 17.93, 3.37, 2.23 1973, -9.00, -9.90, 1.10, 3.10, 11.70, 16.20, 18.10, 18.90, 11.60, 7.00, -10.60, -10.90, -11.30, 5.30, 17.73, 2.67, 3.94 1974, -17.00, -10.20, -9.20, 4.40, 8.90, 17.40, 19.00, 15.20, 10.50, 8.00, -1.40, -4.80, -12.70, 1.37, 17.20, 5.70, 3.40 1975, -11.10, -14.90, -8.70, -0.90, 10.20, 15.00, 20.50, 15.30, 12.40, 5.60, -2.30, -11.50, -10.27, 0.20, 16.93, 5.23, 2.47 1976, -12.60, -5.10, -4.60, 8.30, 13.70, 15.10, 19.30, 18.90, 14.50, 5.10, -2.90, -8.50, -9.73, 5.80, 17.77, 5.57, 5.10 1977, -15.20, -1.80, -0.20, 8.30, 13.20, 17.50, 18.60, 15.40, 11.80, 6.80, -5.50, -15.30, -8.50, 7.10, 17.17, 4.37, 4.47 1978, -19.50, -14.00, -3.90, 5.00, 12.30, 16.70, 18.50, 16.90, 12.70, 7.20, -8.30, -13.20, -16.27, 4.47, 17.37, 3.87, 2.53 1979, -19.80, -20.00, -3.20, 1.70, 9.10, 15.90, 19.20, 18.60, 14.70, 7.70, -3.40, -6.10, -17.67, 2.53, 17.90, 6.33, 2.87 1980, -15.30, -10.40, -5.00, 10.10, 13.90, 16.50, 18.50, 15.50, 12.50, 7.10, 0.00, -12.60, -10.60, 6.33, 16.83, 6.53, 4.23 1981, -4.40, -7.90, 1.80, 6.90, 13.00, 14.60, 19.00, 20.90, 13.90, 5.00, 0.40, -9.30, -8.30, 7.23, 18.17, 6.43, 6.16 1982, -22.10, -12.60, -5.50, 2.50, 10.10, 16.20, 18.30, 17.40, 11.80, 6.30, -8.00, -99.99, -14.67, 2.37, 17.30, 3.37, -99.99 1983, -9.10, -6.00, -1.10, 4.60, 11.10, 16.30, 18.50, 20.80, 10.70, 7.10, -2.40, -21.80, -99.99, 4.87, 18.53, 5.13, 4.06 1984, -9.60, -2.30, -2.80, 7.70, 11.20, 16.30, 19.80, 21.10, 9.40, 3.00, -6.80, -15.80, -11.23, 5.37, 19.07, 1.87, 4.27 1985, -12.80, -12.80, -2.20, 7.20, 14.00, 14.50, 20.00, 16.80, 8.70, 5.50, -13.70, -9.20, -13.80, 6.33, 17.10, 0.17, 3.00 1986, -3.50, -11.50, 2.70, 5.30, 12.40, 17.50, 17.60, 18.10, 9.30, 7.30, -6.40, -4.80, -8.07, 6.80, 17.73, 3.40, 5.33 1987, -5.00, -3.80, -0.50, 9.30, 14.20, 18.90, 18.90, 15.20, 14.20, 6.60, 0.80, -5.20, -4.53, 7.67, 17.67, 7.20, 6.97 1988, -12.60, -9.40, -99.99, 7.00, 15.50, 21.40, 20.20, 17.60, -99.99, 6.90, -3.40, -8.90, -9.07, -99.99, 19.73, -99.99, -99.99 1989, -11.50, -16.20, -7.70, 5.50, 11.50, 17.20, 21.20, 18.20, 12.60, 6.10, -1.90, -9.30, -12.20, 3.10, 18.87, 5.60, 3.81 1990, -7.00, -9.00, 1.10, 5.40, 11.60, 16.80, 18.80, 19.40, 15.40, 5.40, -4.40, -14.70, -8.43, 6.03, 18.33, 5.47, 4.90 1991, -13.70, -0.60, -1.60, 7.10, 11.50, 16.60, 19.00, 21.20, 13.20, 2.00, -4.10, -6.60, -9.67, 5.67, 18.93, 3.70, 5.33 1992, -5.40, -4.30, 2.70, 7.40, 11.50, 16.80, 16.70, 16.60, 10.70, 5.70, -2.00, -14.30, -5.43, 7.20, 16.70, 4.80, 5.17 1993, -16.10, -11.50, -0.30, 6.40, 13.00, 15.30, 16.10, 16.60, 11.30, 5.80, -4.40, -6.50, -13.97, 6.37, 16.00, 4.23, 3.81 1994, -16.00, -17.90, 1.60, 7.00, 12.70, 15.80, 19.20, 18.90, 15.50, 6.00, -2.90, -7.40, -13.47, 7.10, 17.97, 6.20, 4.37 1995, -13.00, -6.70, -2.00, 3.30, 10.90, 17.20, 18.40, 17.30, 12.80, 5.40, -7.60, -15.60, -9.03, 4.07, 17.63, 3.53, 3.37 1996, -20.30, -9.30, -6.70, 5.90, 9.10, 16.40, 19.10, 20.10, 11.40, 4.20, -10.20, -16.90, -15.07, 2.77, 18.53, 1.80, 1.90 1997, -18.30, -8.20, -5.40, 3.20, 11.20, 16.80, 18.90, 18.90, 14.80, 5.60, -1.90, -3.70, -14.47, 3.00, 18.20, 6.17, 4.32 1998, -16.50, -4.60, -3.50, 7.50, 13.30, 14.40, 20.60, 21.10, 15.20, 7.00, -1.10, -9.80, -8.27, 5.77, 18.70, 7.03, 5.30 1999, -13.30, -4.70, -0.80, 6.20, 10.30, 14.80, 16.30, 18.80, 11.00, 6.30, 1.70, -2.80, -9.27, 5.23, 16.63, 6.33, 5.32 2000, -13.90, -10.60, -0.40, 5.30, 11.10, 14.70, 20.00, 18.40, 12.10, 6.30, -6.00, -15.10, -9.10, 5.33, 17.70, 4.13, 3.49 2001, -6.10, -14.70, -0.10, 5.10, 12.40, 15.30, 19.80, 20.60, 14.80, 4.20, 0.60, -10.20, -11.97, 5.80, 18.57, 6.53, 5.14 2002, -10.40, -4.80, -14.30, 1.50, 9.40, 16.70, 20.40, 16.50, 12.50, 1.20, -0.70, -5.50, -8.47, -1.13, 17.87, 4.33, 3.54 2003, -11.10, -11.90, -4.90, 6.40, 11.40, 15.80, 19.70, 21.70, 12.10, 8.10, -9.00, -6.50, -9.50, 4.30, 19.07, 3.73, 4.32 2004, -14.10, -7.30, 1.20, 6.50, 9.40, 14.00, 18.80, 16.10, 12.10, 4.10, -0.10, -7.20, -9.30, 5.70, 16.30, 5.37, 4.46 2005, -15.50, -7.00, -0.20, 7.00, -99.99, -99.99, 18.80, 16.10, 12.20, 7.00, -0.70, -6.90, -9.90, -99.99, -99.99, 6.17, -99.99 2006, -3.90, -5.90, -2.60, 8.30, 12.80, 17.20, 21.20, 19.20, 13.40, 2.90, -5.10, -6.20, -5.57, 6.17, 19.20, 3.73, 5.94 2007, -7.40, -12.00, 1.00, 5.20, 12.30, 16.10, 22.20, 17.90, 11.80, 7.50, -2.70, -12.00, -8.53, 6.17, 18.73, 5.53, 4.99 2008, -11.90, -11.70, -1.90, 2.50, 11.60, 15.00, 18.50, 18.30, 12.70, 6.80, 0.50, -15.40, -11.87, 4.07, 17.27, 6.67, 3.75 2009, -12.60, -9.50, -5.30, 4.30, 10.30, 14.90, 17.40, 17.60, 16.90, 2.70, 1.30, -18.50, -12.50, 3.10, 16.63, 6.97, 3.29 2010, -10.70, -11.90, 2.30, 6.10, 8.80, 15.80, 17.80, 17.30, 11.40, 7.50, -5.30, -13.60, -13.70, 5.73, 16.97, 4.53, 3.79 2011, -12.90, -13.90, -8.40, 3.60, 11.00, 15.20, 18.40, 18.90, 15.50, 7.30, -3.00, -5.30, -13.47, 2.07, 17.50, 6.60, 3.87 2012, -6.90, -6.00, 1.00, 5.50, 10.70, 16.60, 20.40, 18.90, 14.10, 2.80, -6.00, -13.60, -6.07, 5.73, 18.63, 3.63, 4.79