NhemiTemp {longmemo}

Northern Hemisphere Temperature

Description

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)

Format

Time-Series (ts) of length 1632, frequency 12, starting 1854, ending 1990.

Source

Jan Beran and Brandon Whitcher by E-mail in fall 1995.

References

Jones, P.D. and Briffa, K.R. (1992) Global surface air temperature variations during the twentieth century, part 1. The Holocene 2, 165–179.

Jan Beran (1994). Dataset no. 5, p.29–31.

Examples

data(NhemiTemp)
plot(NhemiTemp)
mean(window(NhemiTemp, 1950,1979))# (about) 0 ``by definition''