YEAR,JAN,FEB,MAR,APR,MAY,JUN,JUL,AUG,SEP,OCT,NOV,DEC,ANNUAL
1869,2.53,6.87,4.61,1.39,4.15,4.40,3.20,1.76,2.81,6.48,2.03,5.02,45.25
1870,4.41,2.83,3.33,5.11,1.83,2.82,3.76,3.07,2.52,4.97,2.42,2.18,39.25
1871,2.07,2.72,5.54,3.03,4.04,7.05,5.57,5.60,2.34,7.50,3.56,2.24,51.26
1872,1.88,1.29,3.74,2.29,2.68,2.93,7.83,6.29,2.95,3.35,4.08,3.18,42.49
1873,5.34,3.80,2.09,4.16,3.69,1.28,4.61,9.56,3.14,2.73,4.63,2.96,47.99
1874,5.33,2.04,2.12,8.77,2.24,2.78,5.06,2.43,8.24,1.70,2.30,2.82,45.83
1875,3.17,2.62,3.48,3.08,1.33,2.72,4.89,8.97,1.89,2.85,3.78,2.12,40.90
1876,0.94,4.81,8.79,3.06,3.03,2.66,3.65,2.28,5.28,1.42,3.31,2.54,41.77
1877,2.62,1.24,5.56,2.73,0.95,2.80,5.73,2.77,1.33,8.14,5.62,0.68,40.17
1878,4.46,3.75,3.27,1.97,3.19,3.08,4.62,7.97,4.05,2.43,4.73,5.14,48.66
1879,2.63,2.02,3.41,4.33,2.02,3.15,3.58,7.95,2.37,0.43,2.20,4.92,39.01
1880,2.14,2.12,4.66,2.90,0.62,1.14,8.52,5.23,1.90,2.70,2.46,2.27,36.66
1881,4.80,4.93,5.81,0.95,3.20,5.35,1.25,0.86,0.97,1.60,2.36,4.18,36.26
1882,5.05,3.43,2.53,1.64,4.20,2.52,3.21,1.14,16.85,1.51,1.24,1.95,45.27
1883,2.68,4.21,1.49,3.71,2.83,3.32,3.21,1.82,3.25,4.53,1.52,3.20,35.77
1884,5.22,4.92,4.62,2.82,3.74,4.98,4.74,7.90,0.21,3.75,3.18,6.17,52.25
1885,3.06,4.56,0.90,2.19,1.86,1.32,3.59,5.67,0.41,5.18,4.17,2.46,35.37
1886,3.91,4.89,2.83,3.85,5.40,3.35,2.75,0.95,1.17,3.07,4.42,2.79,39.38
1887,4.42,5.96,3.07,2.79,0.34,7.76,5.29,3.59,1.93,2.43,2.02,4.39,43.99
1888,4.96,3.49,4.62,2.89,5.62,2.60,1.53,7.66,8.16,4.33,4.04,3.42,53.32
1889,4.97,2.21,2.64,5.47,2.89,2.39,11.89,3.28,6.92,2.61,9.97,1.92,57.16
1890,2.29,3.41,5.50,1.85,3.45,4.67,4.49,4.37,4.63,6.56,0.71,3.70,45.63
1891,6.12,4.12,3.61,2.38,2.45,1.48,3.94,4.51,2.49,2.60,2.30,3.55,39.55
1892,4.69,0.94,3.49,2.02,4.22,2.78,3.21,4.16,1.06,0.59,7.14,1.30,35.60
1893,2.33,6.14,3.54,5.19,4.77,2.59,1.13,8.72,1.92,5.30,3.55,3.08,48.26
1894,2.01,3.93,1.35,2.19,3.73,0.98,2.21,1.17,8.68,5.96,4.15,4.65,41.01
1895,5.01,0.46,2.26,3.31,2.02,2.47,4.54,4.16,0.62,4.21,3.83,2.48,35.37
1896,0.96,6.83,5.28,1.27,2.51,5.72,7.41,1.53,4.74,1.74,2.84,1.13,41.96
1897,3.00,2.52,2.39,2.67,5.77,2.95,9.56,3.77,1.81,0.72,4.52,4.87,44.55
1898,4.26,4.22,2.78,3.25,6.72,1.25,4.41,3.47,1.70,6.05,6.72,3.07,47.90
1899,3.97,3.91,5.77,1.74,1.09,2.26,4.47,3.41,6.12,2.13,1.79,1.91,38.57
1900,4.22,5.38,3.49,2.02,3.72,2.20,3.21,4.52,2.50,3.56,4.36,2.01,41.19
1901,1.66,0.55,5.47,6.62,6.43,1.00,7.64,6.55,2.42,2.35,0.99,7.01,48.69
1902,2.27,5.39,4.84,3.03,1.35,6.48,5.59,4.30,4.31,7.16,1.28,6.77,52.77
1903,4.18,4.70,4.23,3.44,0.30,9.78,3.92,6.73,3.67,13.31,0.97,3.09,58.32
1904,2.97,2.21,3.57,3.80,1.88,2.95,4.95,7.85,4.31,2.99,2.20,1.96,41.64
1905,2.77,2.01,3.49,2.39,0.72,3.77,3.05,4.81,5.84,3.55,1.67,3.37,37.44
1906,2.69,2.47,5.04,5.90,5.53,1.26,4.54,1.43,2.49,4.19,1.06,3.58,40.18
1907,2.89,2.25,3.08,3.78,4.22,3.28,0.89,3.24,8.33,4.78,4.48,4.26,45.48
1908,3.76,5.86,2.38,2.27,8.51,1.27,3.80,6.01,1.91,1.38,0.71,3.19,41.05
1909,3.32,4.53,3.57,6.13,1.47,3.02,2.17,8.50,2.65,0.66,1.36,4.29,41.67
1910,4.64,3.15,1.02,5.00,1.49,6.03,0.49,1.07,1.42,3.23,4.30,1.88,33.72
1911,2.79,3.26,3.33,3.54,1.25,5.67,2.16,9.28,1.71,7.65,5.12,3.07,48.83
1912,2.38,2.73,7.70,3.53,5.40,1.57,2.56,2.75,4.14,4.10,3.53,5.01,45.40
1913,3.43,2.74,6.47,6.27,2.95,1.98,6.06,2.38,7.00,12.97,2.16,3.59,58.00
1914,5.27,3.33,4.74,3.34,2.35,2.06,5.47,2.54,0.29,2.23,3.31,5.24,40.17
1915,7.94,6.01,1.25,2.58,3.27,3.85,3.01,7.26,2.38,2.26,1.64,4.28,45.73
1916,1.28,4.76,3.70,3.28,4.35,4.56,4.55,0.54,3.45,1.04,2.14,4.25,37.90
1917,2.96,2.08,4.46,2.71,3.83,3.83,5.01,1.56,2.68,6.81,0.86,4.25,41.04
1918,3.53,2.47,1.67,4.65,4.83,4.61,4.36,2.43,2.92,0.78,2.41,3.61,38.27
1919,3.51,3.84,5.96,2.88,4.15,3.84,8.50,5.82,4.88,3.59,3.55,2.77,53.29
1920,2.09,6.41,4.75,5.28,3.23,5.02,6.20,3.91,4.76,1.25,4.14,6.16,53.20
1921,2.94,5.41,2.88,3.17,4.14,2.79,2.02,4.57,2.81,0.88,3.81,2.34,37.76
1922,2.73,3.35,5.52,2.02,3.76,6.88,7.49,2.86,3.42,1.48,1.29,3.86,44.66
1923,6.99,2.53,4.16,2.37,1.84,3.01,2.77,1.23,2.65,5.40,3.19,4.43,40.57
1924,4.90,4.35,2.08,6.05,6.34,2.78,0.89,5.84,3.58,0.28,2.16,2.47,41.72
1925,5.42,2.43,4.07,2.00,3.36,3.60,5.77,1.72,2.31,4.52,2.93,3.30,41.43
1926,2.85,5.37,2.66,1.73,2.42,1.71,6.38,7.28,4.78,4.87,3.78,4.00,47.83
1927,2.03,3.46,1.33,2.85,4.77,3.70,6.48,9.83,4.27,9.00,4.33,4.01,56.06
1928,1.87,4.84,2.83,4.83,2.07,7.04,8.89,4.57,3.67,1.57,2.46,0.98,45.62
1929,3.33,5.07,4.23,5.85,4.01,1.90,1.21,1.47,3.12,4.63,2.22,3.34,40.38
1930,2.37,3.24,2.23,2.30,3.43,2.92,6.61,4.32,1.47,1.71,5.62,2.73,38.95
1931,2.56,2.71,4.83,3.79,4.38,3.76,3.39,3.24,1.57,2.80,0.60,2.44,36.07
1932,4.45,2.70,5.82,2.34,2.95,4.36,1.42,3.20,1.22,5.58,7.38,2.51,43.93
1933,1.78,3.09,6.08,5.18,5.20,2.67,3.72,8.85,10.09,2.52,0.90,3.45,53.53
1934,3.42,3.01,4.47,3.45,5.19,3.68,4.24,2.77,11.46,2.82,2.17,2.66,49.84
1935,3.91,3.17,2.48,1.53,1.05,3.98,5.24,1.42,4.34,2.23,3.26,1.24,33.85
1936,7.54,2.68,5.45,3.30,2.97,4.62,1.89,3.99,4.82,3.90,1.14,7.53,49.83
1937,5.97,2.48,2.90,5.09,2.91,4.36,5.54,7.32,5.05,4.56,4.73,2.06,52.97
1938,3.99,1.97,2.22,3.38,3.36,7.13,5.82,3.92,9.06,1.75,3.27,2.62,48.49
1939,3.80,6.20,4.78,4.26,0.89,3.80,0.99,4.83,1.90,4.31,1.40,1.39,38.55
1940,2.61,2.63,4.73,5.46,7.61,3.01,3.30,4.13,2.82,2.43,3.55,2.79,45.07
1941,3.23,3.53,3.05,2.40,2.25,4.77,4.07,5.92,0.51,1.87,3.39,4.05,39.04
1942,2.88,2.53,5.91,1.09,1.78,3.59,7.15,9.08,4.23,1.98,3.72,4.57,48.51
1943,2.46,1.87,3.68,1.72,5.04,2.17,3.38,3.80,1.71,7.60,2.11,1.20,36.74
1944,3.20,1.73,5.98,4.75,1.18,3.35,1.83,1.84,10.30,2.32,5.96,2.57,45.01
1945,2.24,2.94,2.23,3.66,5.34,4.01,5.16,2.75,5.50,2.03,4.56,4.56,44.98
1946,1.86,1.76,3.21,1.43,6.80,3.36,5.12,6.68,4.02,0.85,1.66,1.61,38.36
1947,2.74,2.24,2.30,5.08,4.25,3.44,2.72,2.40,3.15,1.73,6.82,3.92,40.79
1948,4.74,2.52,3.51,3.26,7.58,5.52,4.51,2.99,1.28,1.51,3.17,6.28,46.87
1949,6.04,3.58,1.66,4.42,3.41,0.02,4.21,4.29,3.43,1.92,0.96,2.30,36.24
1950,2.26,4.44,2.73,1.66,2.66,2.18,4.24,4.97,1.48,1.71,4.24,4.32,36.89
1951,3.95,3.05,5.62,2.44,4.93,2.97,3.67,2.53,0.70,3.77,6.49,4.28,44.40
1952,4.55,1.38,4.00,5.05,4.78,3.64,3.32,4.63,2.05,0.94,3.05,4.12,41.51
1953,4.90,2.37,8.76,5.20,4.35,1.82,3.86,2.10,1.10,4.30,2.02,4.42,45.20
1954,1.65,1.81,3.25,2.70,3.10,1.32,0.96,6.09,4.75,1.99,4.93,3.03,35.58
1955,0.77,3.01,3.71,1.97,2.64,2.52,0.51,10.86,2.67,6.87,4.12,0.25,39.90
1956,1.54,4.18,5.03,2.78,2.20,2.99,3.13,2.56,2.32,3.61,2.62,3.29,36.25
1957,1.70,2.43,1.99,4.51,3.67,1.85,1.47,2.87,3.01,3.27,4.46,5.26,36.49
1958,3.79,2.98,3.19,6.14,3.25,2.55,3.68,2.36,4.44,5.46,1.85,1.25,40.94
1959,2.34,1.69,3.77,1.91,1.33,4.20,4.28,4.45,1.11,4.83,4.22,4.64,38.77
1960,2.40,4.43,2.96,3.05,2.97,1.74,8.29,6.26,5.38,2.82,3.05,3.04,46.39
1961,1.88,3.96,4.23,5.08,3.60,2.86,4.92,3.13,1.70,2.21,2.71,3.04,39.32
1962,2.62,3.74,2.97,3.00,1.26,3.73,1.67,5.71,3.10,3.15,3.94,2.26,37.15
1963,1.93,2.55,3.61,1.27,2.16,2.72,2.19,3.21,3.95,0.14,8.24,2.31,34.28
1964,4.62,2.93,2.57,5.09,0.57,2.67,4.17,0.24,1.69,1.73,2.55,4.16,32.99
1965,3.09,3.66,2.49,2.90,1.58,1.27,1.33,2.73,1.70,2.16,1.46,1.72,26.09
1966,2.63,4.96,0.94,2.69,4.26,1.17,1.25,1.89,8.82,4.64,3.47,3.18,39.90
1967,1.39,2.68,5.97,3.45,4.08,4.64,6.99,5.94,1.84,3.47,2.59,6.08,49.12
1968,2.04,1.13,4.79,2.82,7.06,6.15,2.63,2.88,1.97,2.20,5.75,4.15,43.57
1969,1.10,3.05,3.73,3.99,2.67,3.16,7.37,2.53,8.32,1.97,3.58,7.07,48.54
1970,0.66,4.52,4.18,3.48,3.34,2.27,2.19,2.47,1.74,2.48,5.14,2.82,35.29
1971,2.67,5.33,3.80,2.95,4.24,2.31,7.20,9.37,7.36,4.14,5.64,1.76,56.77
1972,2.41,5.90,4.55,3.92,8.39,9.30,4.54,1.92,1.33,6.27,12.41,6.09,67.03
1973,4.53,4.55,3.60,8.05,4.51,4.55,5.89,3.08,2.75,3.92,1.82,9.98,57.23
1974,3.80,1.49,5.76,3.83,4.29,3.29,1.33,5.99,8.05,2.59,0.94,6.33,47.69
1975,4.76,3.33,3.32,3.04,3.38,7.58,11.77,3.05,9.32,3.70,4.33,3.63,61.21
1976,5.78,3.13,2.99,2.80,4.77,2.78,1.42,6.52,3.15,5.31,0.34,2.29,41.28
1977,2.25,2.51,7.41,3.75,1.71,3.83,1.60,4.57,4.75,5.03,12.26,5.06,54.73
1978,8.27,1.59,2.73,2.38,9.15,1.69,4.48,5.50,4.06,1.50,2.85,5.61,49.81
1979,10.52,4.58,4.40,4.04,6.23,1.56,1.76,4.27,4.83,3.87,3.38,2.69,52.13
1980,1.72,1.04,10.41,8.26,2.33,3.84,5.26,1.16,1.98,3.86,4.11,0.58,44.55
1981,0.58,6.04,1.19,3.42,3.56,2.71,6.21,0.59,3.45,3.49,1.69,5.18,38.11
1982,6.46,2.37,2.56,5.67,2.43,5.12,3.14,4.66,1.77,2.31,3.44,1.47,41.40
1983,5.01,3.22,10.54,14.01,4.60,2.82,3.40,7.26,4.62,8.63,6.68,9.77,80.56
1984,1.87,4.86,6.30,6.62,9.74,5.76,7.03,1.38,2.51,3.63,4.07,3.26,57.03
1985,1.00,2.41,1.91,1.41,5.72,4.41,4.41,2.58,4.75,1.30,8.09,0.83,38.82
1986,4.23,2.86,1.46,3.93,1.68,1.86,5.56,4.24,2.20,1.92,6.85,6.16,42.95
1987,5.81,1.01,4.93,5.90,1.45,3.94,4.12,4.89,5.25,3.89,3.03,2.17,46.39
1988,3.64,3.91,5.27,2.20,2.10,1.29,8.14,2.19,2.34,3.56,8.90,1.13,44.67
1989,2.29,3.03,4.93,4.26,10.24,8.79,5.13,8.44,6.90,7.48,2.79,0.83,65.11
1990,5.34,2.33,3.64,5.12,9.10,2.50,3.51,12.36,2.24,6.38,2.82,5.58,60.92
1991,3.38,1.93,5.16,3.68,3.11,4.16,4.57,7.13,3.71,2.13,1.96,4.26,45.18
1992,1.68,1.87,4.08,1.76,4.02,4.77,4.49,3.49,4.89,1.16,5.64,5.50,43.35
1993,3.44,2.81,6.64,4.28,1.56,1.49,1.70,5.41,5.25,4.55,2.20,4.95,44.28
1994,5.62,3.44,6.33,2.42,4.26,3.21,3.86,6.33,3.33,1.35,4.34,2.90,47.39
1995,3.75,3.13,1.26,2.29,2.84,2.09,6.13,0.18,3.03,7.82,5.78,2.12,40.42
1996,5.64,2.59,3.81,6.33,2.64,5.76,5.70,1.87,4.97,7.53,2.87,6.48,56.19
1997,3.65,2.54,5.18,2.86,3.05,1.93,8.36,3.21,2.10,2.10,4.68,4.27,43.93
1998,5.20,5.81,5.08,7.05,6.94,5.94,1.09,2.78,3.44,2.76,1.48,1.12,48.69
1999,6.99,3.49,4.01,1.93,4.04,0.59,0.44,3.94,8.81,2.73,2.33,3.20,42.50
2000,3.24,1.66,3.31,3.53,4.50,4.86,7.28,3.82,5.82,0.68,3.53,3.19,45.42
2001,3.16,1.95,7.72,1.58,2.02,5.29,2.04,2.56,5.31,0.66,1.36,2.27,35.92
2002,1.93,0.71,3.53,3.41,3.69,4.50,1.05,4.91,5.16,7.20,5.06,4.06,45.21
2003,2.30,4.56,4.57,3.20,3.43,10.26,3.76,5.85,6.03,4.90,4.27,5.42,58.56
2004,2.13,2.68,2.99,4.11,5.77,3.02,7.64,3.03,11.51,1.18,4.21,3.71,51.97
2005,4.67,3.04,4.96,4.81,1.48,3.21,3.56,3.96,0.48,16.73,4.47,4.60,55.97
2006,4.99,2.88,0.80,5.56,4.62,8.55,6.16,6.08,3.69,7.07,7.34,2.15,59.89
2007,3.63,1.99,5.35,13.05,1.88,6.55,6.89,7.18,1.81,4.65,3.47,5.22,61.67
2008,2.85,5.95,4.08,2.77,4.01,4.70,2.84,5.58,7.05,3.62,3.54,6.62,53.61
2009,2.98,0.93,1.75,4.69,5.17,10.05,7.11,4.22,2.26,5.58,1.61,7.27,53.62
2010,2.08,6.69,10.69,2.99,3.01,2.20,2.60,4.14,3.67,4.91,2.15,4.24,49.37
2011,4.93,3.47,6.19,5.35,5.11,3.25,3.03,18.95,9.39,6.09,3.05,4.00,72.81
2012,3.23,1.37,0.96,3.56,5.38,2.97,4.21,2.91,4.39,2.92,1.81,4.80,38.51
2013,2.76,4.25,2.90,1.31,8.00,10.10,2.84,2.85,2.95,0.36,3.15,4.85,46.32
2014,2.79,5.48,3.67,7.85,4.37,4.26,5.59,2.25,1.21,5.77,4.51,6.04,53.79
2015,5.23,2.04,4.72,2.08,1.86,4.79,3.98,2.35,3.28,3.91,2.01,4.72,40.97
2016,4.41,4.40,1.17,1.61,3.75,2.60,7.02,1.97,2.79,4.15,5.41,2.89,42.17
2017,4.83,2.48,5.25,3.84,6.38,4.76,4.19,3.34,2.00,4.18,1.58,2.21,45.04
2018,2.18,5.83,5.17,5.78,3.53,3.11,7.45,8.59,6.19,3.59,7.62,6.51,65.55
2019,3.58,3.14,3.87,4.55,6.82,5.46,5.77,3.70,0.95,6.15,1.95,7.09,53.03