• Christy, J. R., When was the hottest summer? A State Climatologist struggles for an answer, Bull. Amer. Meteor. Soc., in press, 2002.
  • Christy, J. R., R. W. Spencer, and W. D. Braswell, MSU tropospheric temperatures: Data set construction and radiosonde comparisons, J. Atmos. Oceanic Tech., 17, 11531170, 2000.
  • Hansen, J., R. Ruedy, M. Sato, M. Imhoff, W. Lawrence, D. Easterling, T. Peterson, and T. Karl, A closer look at United States and global surface temperature change, J. Geophys. Res., 106, 23,94723,964, 2001.
  • Houghton, J. T., L. G. Meira Filho, B. A. Callander, N. Harris, A. Kattenberg, and K. Maskell, (Eds.), Climate Change 1995: The Science of Climate Change, Cambridge University Press, Cambridge, England, 2001.
  • Jones, P. D., Hemispheric surface air temperature variations: A reanalysis and an update to 1993, J. Climate, 7, 17941802, 1994.
  • Karl, T. R., H. F. Diaz, and G. Kukla, Urbanization: Its detection and effect in the United States climatic record, J. Climate, 1, 10991123, 1988.
  • Karl, T. R., and C. N. Williams Jr., An approach to adjusting climatological time series for discontinuous inhomogeneities, J. Clim. Appl. Meteorol., 27, 17441763, 1987.
  • Karl, T. R., C. N. Williams Jr., and F. T. Quinlan, United States historical climatology network (HCN) serial temperature and precipitation data. NPD-019/R1, NDP-019, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1990.
  • Karl, T. R., C. N. Williams Jr., P. J. Young, and W. M. Wendland, A model to estimate the time of observation bias with monthly mean maximum, minimum, and mean temperatures for the United States, J. Clim. Appl. Meteorol., 25, 145160, 1986.
  • Robeson, S. M., A spatial resampling perspective on the depiction of global air temperature anomalies, Bull. Amer. Meteorol. Soc., 76, 11791183, 1995.
  • Quayle, R. G., D. R. Easterling, T. R. Karl, and P. Y. Hughes, Effects of recent thermometer changes in the cooperative station network, Bull. Amer. Meteorol. Soc., 72, 17181723, 1991.
  • Wallace, J. M., J. R. Christy, D. J. Gaffen, N. C. Grody, J. E. Hansen, D. E. Parker, T. C. Peterson, B. D. Santer, R. W. Spencer, K. E. Trenberth, and F. J. Wentz, Reconciling Observations of Global Temperature Change, National Academy Press, Washington, D.C., 2000.