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"Year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep""Oct" "Nov" "Dec""1901" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1902" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1903" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1904" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1905" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1906" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1907" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1908" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1909" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1910" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1911" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3"

"48.8" "26.3" "23.8""1912" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1913" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1914" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1915" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1916" "26.2" "25" "31.701" "36.1" "48.8" "73.8" "80" "79.6""72.199" "51" "27" "25.496""1917" "25" "25" "32.5" "35.598" "48.102" "74.8" "80.8""79.6" "72.2" "49.701" "27.1" "23.398"

"1918" "25.4" "25" "33.801" "36.003" "51.301" "74.998""80.599" "79.906" "72.2" "51.002" "24.6" "23.199""1919" "25" "25" "32.101" "34.7" "47.6" "74.2" "81.099""79.7" "71.3" "49.6" "28.1" "25.198""1920" "25.998" "25.998" "34.703" "35" "48.8" "73.8""80.498" "80.301" "72.3" "49.301" "23.9" "23.8""1921" "24.4" "24.6" "33.502" "35" "49.998" "75" "81.1""80.4" "72.497" "48.8" "27.399" "23.8""1922" "24.3" "22.297" "33.7" "35.4" "49.6" "74.702" "81""79.698" "72.4" "50.9" "28.199" "25.198""1923" "24.1" "27.4" "31.7" "35.799" "49.9" "74.601" "80.9""79.7" "72.397" "48.901" "27.101" "24.698""1924" "24.4" "25.4" "29.601" "35" "48.8" "75.001" "80.6"

"79.7" "72.4" "50.201" "27.901" "23.8""1925" "28.4" "26.4" "31.7" "35.9" "49.501" "74.1" "80.9" "80.501""72.1" "49.701" "26.3" "24.998""1926" "25.899" "25.998" "34.903" "35" "48.8" "74.6""81" "79.8" "72.3" "51.903" "27.1" "25.596""1927" "26.3" "26.399" "32.5" "36.1" "49.899" "74.9" "80.1""79.7" "73.4" "50.198" "27" "22.898""1928" "24.602" "25" "32.5" "33.9" "48.8" "74.801" "80.1""79.8" "73.998" "48.9" "26.3" "23.098""1929" "26.402" "24.2" "31.602" "35.499" "49.998"

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"75.1" "80.1" "79.6" "72.2" "49.402" "26.9" "23.8""1930" "26.3" "26.4" "33.401" "35" "49.7" "74.5" "79.803""80.301" "72.3" "49.801" "28.703" "23.799""1931" "23.601" "29.2" "36.398" "35.901" "50.303""74.404" "82.804" "80.6" "72.1" "54.799" "32.896""29.597""1932" "25.9" "27.804" "31.803" "31.003" "51.402""75.897" "81.101" "80.504" "72.302" "49.902""30.306" "27.903""1933" "24.5" "28.7" "28.207" "34.401" "51.099" "77.004""82.901" "83.197" "72.098" "49.501" "25.299""24.8""1934" "26.202" "27.6" "30.603" "33.903" "47.9" "75.2""80.501" "79.6" "71.004" "48.701" "33.894" "28.601""1935" "24.401" "29.798" "31.297" "33.699" "47.199""73.003" "80" "79.9" "71.8" "45.904" "25.3" "21.499""1936" "23.004" "26.1" "31.402" "35.703" "52.301""76.608" "81.704" "81.797" "73.001" "51.001""26.699" "27.399""1937" "19.906" "33.396" "29.206" "30.599" "49.201""75.899" "81.2" "81.41" "72" "48.9" "24.801" "27.002""1938" "27.302" "25" "38.904" "28.802" "53.299""78.806" "80.301" "80.801" "72.999" "50.8" "34.6""24.902"

"1939" "23.101" "27.797" "31.801" "33.901" "47.802""75.2" "82.704" "77.302" "70.4" "49.905" "29.703""27.301""1940" "25" "28.699" "43.797" "33.301" "48.302""72.6" "80.903" "79.303" "69.604" "47.403" "30.698""25.3""1941" "26.703" "24.201" "34.803" "33.801" "54.497""79.801" "81.2" "79.9" "72.1" "50.402" "30.698" "29.703""1942" "25.003" "24.3" "36.499" "36.6" "50.2" "75.101""82.4" "79.9" "72.5" "46.704" "31.204" "25.997""1943" "32.001" "26.103" "38.103" "33.6" "47.8" "73.503""79.201" "78.302" "70.801" "46.405" "25.403""24.899"

"1944" "30.001" "31.197" "31.402" "35.902" "48.1""74.301" "81.802" "79.9" "71.803" "49.902" "25.004""23.1""1945" "23.8" "22.098" "32.002" "37" "49.602" "75.2""80.001" "82.098" "73.7" "49.1" "24.105" "22.7""1946" "20.803" "20.906" "23.902" "36.4" "48.8" "76.002""81.603" "79.302" "70.7" "49.1" "25.104" "23""1947" "24.503" "23.701" "32.2" "34.498" "48.302""73.3" "78.6" "78.8" "72.5" "48.802" "21.901" "25.6""1948" "21.304" "27.7" "31.402" "33.305" "50.2" "70.7""79.302" "77.799" "69.901" "46.301" "31.902""26.5""1949" "19.708" "17.208" "31.402" "41.188" "53.995"

"69.889" "76.295" "78.897" "69.9" "44.095" "18.588""15.099""1950" "15.999" "20.593" "26.195" "26.707" "44.604""73.299" "80.603" "78.003" "67.4" "50.096" "25.207""21.298""1951" "19.197" "15.805" "27.702" "29.199" "43.504""71.392" "77.491" "76.498" "64.302" "47.397""26.491" "22.699""1952" "16.803" "17.7" "33.6" "37.797" "52.003" "72.302""81.2" "80.399" "72.6" "47.408" "26.304" "19.405"

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"1953" "28.003" "24" "41.896" "33.699" "49.804""74.303" "81.399" "80.195" "71.903" "48.908""22.298" "22""1954" "22.101" "22.089" "23.305" "31.998" "50.106""79.003" "81.199" "79.499" "72.901" "46.101""14.998" "26.4""1955" "24.602" "17.405" "27.904" "31.899" "50.104""74.395" "82.498" "80.096" "73.302" "58.294""31.399" "23.894""1956" "20.296" "17.606" "31.996" "32.899" "58.301""84.109" "80.903" "79.304" "73.505" "52.405""29.097" "22.492""1957" "36.598" "25.6" "28.803" "26.209" "43.1" "65.898""82.503" "77.503" "68.108" "40.605" "11.398""21.998""1958" "21.096" "25.7" "24.297" "34.596" "50.2" "67.905""81.404" "79.896" "72.095" "52.704" "34.708""27.29""1959" "28.498" "26.601" "28.901" "37.695" "50.398""75.601" "81.5" "81.303" "73.903" "59.496" "23.9""25.41""1960" "22.504" "11.398" "34.896" "27.912" "50.107""73.806" "82.904" "81.013" "75" "49" "21.702""20.702"

"1961" "29.699" "35.397" "38.808" "32.498" "49.198""77.102" "81.404" "80.4" "75.992" "53.302" "26.604""21.598""1962" "19.804" "24.201" "22.1" "36.307" "49.402""77.309" "79.103" "80.003" "71.803" "51.214""17.605" "21.105""1963" "15.91" "9.104" "25.4" "32.589" "47.393" "73.204""79.3" "77.595" "69.9" "49.902" "25.093" "22.699""1964" "22.802" "25.014" "28.9" "37.899" "47.897""72.6" "81.7" "79.9" "72.999" "54.49" "28.2" "22.697""1965" "23.302" "20.2" "25.501" "35.8" "46.802" "70.197""79.098" "77.802" "69.296" "47.302" "18.894""24.51"

"1966" "26.406" "18.8" "26.11" "28" "45.998" "74.902""77.4" "77.898" "68.6" "43.283" "29.893" "22.814""1967" "28.318" "11.907" "36.497" "28.204" "47.901""68.793" "79.102" "79.8" "72.504" "42.797" "14.987""29.405""1968" "27" "23.404" "30.802" "34.8" "47.6" "77.696""81.596" "77.3" "68.993" "49.698" "27.3" "22.699""1969" "17.704" "21.11" "31.702" "33.2" "49.102" "72.303""81.2" "79.899" "72" "45.893" "26.895" "22.4""1970" "26.4" "28.405" "37.113" "35.002" "48.607""75.901" "79.496" "78.898" "73.698" "50.803""24.1" "13.303""1971" "28.805" "23.314" "26.6" "43.797" "52.302"

"82.108" "82.907" "82.509" "71.602" "52.901""28.796" "18.2""1972" "18.297" "25.786" "30.802" "30.708" "40.521""64.417" "75.711" "76.904" "65.602" "40.81" "22.602""20.194""1973" "19.593" "22.197" "31.304" "33.807" "51.4""71.696" "80.202" "78.405" "72.697" "55.398""33.709" "28.301""1974" "23.499" "16.294" "33.495" "39.3" "48.2" "69.2""78.094" "77.504" "68.907" "50.508" "28.414"

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"18.993""1975" "23.3" "27.702" "30.398" "32.808" "45.8" "72.802""80.693" "77.903" "72.802" "55.197" "29.809""18.001""1976" "20.393" "22.089" "34" "30.393" "47.793""67.785" "76.998" "75.695" "68.194" "40.803""25.308" "16.405""1977" "19.579" "17.087" "29.696" "38.395" "50.301""74.696" "81.693" "78.8" "70.098" "46.69" "35.9" "25.695""1978" "28.098" "28.594" "33.312" "35.007" "53.094""75.189" "81.3" "80.702" "73.7" "52.103" "27.9" "25.411""1979" "25.299" "30.795" "30.802" "33.506" "46.011""71.2" "77.8" "78.499" "69.505" "46.295" "31.191""32.895""1980" "28.1" "31.695" "38.993" "34.602" "48.793""81.505" "82.403" "80.198" "72.898" "50.599""22.401" "28.105""1981" "33.192" "32.995" "38.891" "41.497" "53.5""73.804" "82.903" "78.104" "73.001" "43.218""19.799" "28.799""1982" "24.099" "33.598" "35.7" "35.799" "45.301""74.6" "78.6" "80.307" "70.401" "44.805" "27.399""23.495""1983" "27.499" "28.516" "39.604" "34.498" "50.398"

"71.003" "78.6" "79.806" "73.2" "53.6" "25.712" "23.8""1984" "27.301" "27.8" "25.2" "32.7" "51.294" "77.597""80.497" "77.701" "69.9" "47.302" "18.499" "23.196""1985" "28.097" "22.196" "38.699" "35.401" "47.898""73.099" "80.797" "78.197" "72.098" "46.094""20.403" "22.699""1986" "28.305" "24" "25.194" "35.389" "45.796""72.4" "78.397" "75.402" "70.4" "46.699" "31.395""27.385""1987" "24.603" "24" "34.696" "35.799" "45.699""72.897" "81.2" "79.394" "72.296" "46.193" "31.202""26.001""1988" "25.597" "25.697" "37.792" "36.799" "55.898"

"76.9" "81.599" "80.398" "70.199" "47.902" "24.997""28.997""1989" "24.694" "27.196" "30.192" "33.204" "50.201""73.099" "78.6" "77.598" "73.098" "54.697" "28.392""24.094""1990" "34.605" "41.003" "46.799" "41.997" "54.797""77.203" "81.897" "79.9" "73.299" "54.1" "35.507""30.103""1991" "24" "25.9" "33.301" "35.598" "48.7" "74.5" "80""78.8" "71.3" "48.8" "26.3" "24.398""1992" "25" "25.799" "32.5" "35" "48.401" "73.6" "80""78.8" "71.3" "49.801" "26.2" "23.4""1993" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3"

"48.8" "26.3" "23.8""1994" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""48.8" "26.3" "23.8""1995" "25" "25" "32.5" "35" "48.8" "73.8" "80" "78.8" "71.3""49.201" "27.298" "24.697""1996" "25" "25" "34.08" "33.911" "39.401" "73.293""80.198" "83.915" "62.099" "33.392" "9.105" "23.102""1997" "28.199" "15.093" "36.624" "31.8" "35.598""64.9" "82.105" "77.403" "71.805" "36.593" "26.71""32.202"

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"1998" "30.306" "25.704" "31.527" "34.885" "43.496""68.994" "77.693" "78.999" "67.507" "52.908""28.105" "21.195""1999" "14.903" "16.9" "32.415" "28.711" "50.007""67.698" "76.007" "83.102" "79.511" "52.104""18.811" "26.403""2000" "17.097" "41.818" "35.824" "30.61" "45.702""72.594" "71.401" "69.907" "68.603" "41.901""19.914" "17.006""2001" "16.8" "25.603" "33.018" "27.808" "41.697""74.796" "81.807" "72.21" "62.012" "43.511" "36.919""23.01""2002" "27.809" "24.303" "40.121" "28.298" "46.883""64.197" "77.002" "78.802" "66.317" "41.9" "21.516""20.594"