temperature            package:SpherWave            R Documentation

_T_h_e _S_u_r_f_a_c_e _A_i_r _T_e_m_p_e_r_a_t_u_r_e

_D_e_s_c_r_i_p_t_i_o_n:

     the surface air temperature in Celsius observed by a network of
     weather stations in 1961 through 1990.

_U_s_a_g_e:

     data(temperature)

_F_o_r_m_a_t:

     A list of year, latlon (global grid point in degree), obs
     (temperature)

_S_o_u_r_c_e:

     This data set was organized by Jones, Raper, Cherry, Goodess,
     Wigley, Santer, and Kelly (1991).  The primary sources of this
     data can be obtained from <URL: http://cdiac.esd.ornl.gov/ftp>.

_E_x_a_m_p_l_e_s:

     ### Observations of year 1967
     data(temperature)
     names(temperature)

     # Temperatures on 939 weather stations of year 1967    
     temp67 <- temperature$obs[temperature$year == 1967] 
     # Locations of 939 weather stations    
     latlon <- temperature$latlon[temperature$year == 1967, ]

     # Plot of the observations
     sw.plot(z = temp67, latlon=latlon, type="obs", xlab="", ylab="")

