Monthly temperature for the northern hemisphere for the years
1854-1989, from the data base held at the Climate Research Unit of the
University of East Anglia, Norwich, England. The numbers consist of
the temperature (degrees C) difference from the monthly average over
the period 1950-1979.
Usage
data(NhemiTemp)
Arguments
Format
Time-Series (ts) of length 1632, frequency 12,
starting 1854, ending 1990.
References
Jones, P.D. and Briffa, K.R. (1992)
Global surface air temperature variations during the twentieth
century, part 1.
The Holocene2, 165--179.