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Data Set #048

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About the Data

About the data

    The mean values reported in this data set for New York were computed by averaging historic annual mean temperature values from 40 weather stations interspersed throughout the state.  The plot of New York's mean winter temperature values over the years 1900 to 1999 clearly shows great variability from year to year. The linear regression model has an R2 value of 0.0483, indicating that there is a weak linear trend in the data. Nonetheless, we do observe a slight increase over time in mean temperatures. The linear model has a slope of 0.0234 which indicates that, according to the linear model, winter mean temperatures are increasing 0.0234 degrees Fahrenheit per year. This is equivalent to 2.34 degrees Fahrenheit (about 1.3 degrees Celsius) per century. These trendline numbers cannot be taken as proof that atmospheric warming is happening either statewide or globally, but they are of the same order of magnitude as current predictions made by climate warming experts.

    We obtained data sets for New York and the other lower 48 states from the United States Historical Climate Network (USHCN), part of NOAA's National Climate Data Center. The USHCN has historical records for 1221 weather station in the lower 48 states, of which 1182 are currently operational.   The first weather station in New York listed by USHCN began operation in 1854 in the vicinity of Cooperstown.  By 1936 the number of stations increased to 59, which is the number operational today.  For this data set, we selected the weather stations that had continuous winter mean values from 1900 to 1999; there were 40 in all.  The location names of these stations are:  Auburn, Bath, Binghamton, Brockport, Buffalo, Canton, Chazy, Cooperstown, Cortland, Elmira, Fredonia, Geneva, Gloversville, Hemlock, Indian Lake, Ithaca, Lake Placid, Little Falls, Lockport, Lowville, Maryland, Mohonk Lake, New York Central Park, Ogdensburg, Oswego, Penn Yan, Port Jervis, Poughkeepsie, Rochester, Setauket Strong, Syracuse, Troy Lock & Dam, Tupper Lake, Utica, Watertown, West Point, and Yorktown Heights.

To download our most recent posting of state-by-state temperature files, go to DataSet#050

Data source: United States Historical Climate Network (USHCN)
http://www.ncdc.noaa.gov/ol/climate/research/ushcn/ushcn.html

     
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State of New York Historical Temperature Data

winter season mean of 40 weather stations (degrees Fahrenheit)

year

mean temp.

1900

24.42

1901

20.99

1902

21.41

1903

22.82

1904

15.94

1905

16.93

1906

26.18

1907

19.42

1908

22.55

1909

25.15

1910

21.54

1911

21.34

1912

20.69

1913

27.10

1914

21.83

1915

24.26

1916

23.15

1917

21.12

1918

15.75

1919

27.62

1920

17.20

1921

26.43

1922

22.52

1923

20.51

1924

24.93

1925

23.48

1926

22.64

1927

22.69

1928

24.85

1929

24.59

1930

24.82

1931

24.27

1932

30.47

1933

29.38

1934

18.86

1935

21.28

1936

18.81

1937

28.80

1938

24.29

1939

24.93

1940

21.10

1941

23.43

1942

23.39

1943

21.32

1944

23.49

1945

19.70

1946

22.06

1947

24.87

1948

19.78

1949

28.70

1950

27.51

1951

25.31

1952

26.59

1953

28.82

1954

27.42

1955

23.24

1956

22.76

1957

25.03

1958

23.72

1959

19.49

1960

25.94

1961

20.60

1962

22.73

1963

19.52

1964

21.78

1965

22.98

1966

24.31

1967

24.48

1968

20.94

1969

22.66

1970

19.08

1971

21.30

1972

24.48

1973

24.79

1974

24.25

1975

27.08

1976

23.46

1977

18.69

1978

19.47

1979

20.16

1980

24.43

1981

21.95

1982

21.22

1983

27.98

1984

24.23

1985

25.10

1986

22.54

1987

24.05

1988

24.77

1989

25.08

1990

24.17

1991

27.93

1992

26.10

1993

23.56

1994

18.89

1995

26.59

1996

21.67

1997

27.68

1998

29.42

1999

27.82

 

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