Tphap                package:extRemes                R Documentation

_D_a_i_l_y _m_a_x_i_m_u_m _a_n_d _m_i_n_i_m_u_m _t_e_m_p_e_r_a_t_u_r_e _i_n _P_h_o_e_n_i_x, _A_r_i_z_o_n_a.

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

     Daily maximum and minimum temperature (degrees Fahrenheit) for
     July through August 1948 through 1990 at Sky Harbor airport in
     Phoenix, Arizona.

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

     data(Tphap)

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

     A data frame with 43 observations on the following 3 variables.

     _Y_e_a_r a numeric vector giving the number of years since 1900.

     _M_o_n_t_h a numeric vector giving the month.

     _D_a_y a numeric vector giving the day of the month.

     _M_a_x_T a numeric vector giving the daily maximum temperatures in
          degrees Fahrenheit.

     _M_i_n_T a numeric vector giving the daily minimum temperatures in
          degrees Fahrenheit.

_D_e_t_a_i_l_s:

     Data is daily maximum and minimum temperature for the summer
     months of July through August from 1948 through 1990.

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

     U.S. National Weather Service Forecast office at the Phoenix Sky
     Harbor Airport.

_R_e_f_e_r_e_n_c_e_s:

     Balling, R.C., Jr., Skindlov, J.A. and Phillips, D.H., The impact
     of increasing summer mean temperatures on extreme maximum and
     minimum temperatures in Phoenix, Arizona. Journal of Climate,
     3:1491-1494, 1990.

     Gilleland, Eric and Katz, Richard W. Tutorial for the 'Extremes
     Toolkit: Weather and Climate Applications of Extreme Value
     Statistics.' <URL: http://www.assessment.ucar.edu/toolkit>, 2005.

     Tarleton, Lesley F. and Katz, Richard W., Statistical explanation
     for trends in extreme summer temperatures at Phoenix, A.Z.,
     Journal of Climate, 8 (6):1704-1708, 1995.

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

     data(Tphap)
     str(Tphap)

     par( mfrow=c(2,1))
     hist( Tphap[,"MaxT"], main="", xlab="Max Temp", xlim=c(60,120), freq=FALSE, breaks="FD", col="red")
     hist( Tphap[,"MinT"], main="", xlab="Min Temp", xlim=c(60,120), freq=FALSE, breaks="FD", col="blue")
     par( mfrow=c(1,1))

     # See Gilleland et al. (2005) for more examples using these data with extRemes.

