\begin{table}%t4
  \caption{Summary of the different Earth reference models in comparison to measured values.}
  \label{tabEarthReference}
  %\centering
\par
  \begin{tabular}{l c c c c}
    \hline\hline
    \noalign{\smallskip}
    Value & Clear sky & Earth mean cloud cover & Including partial overlap & Measured Earth values\\
    \hline
    \noalign{\smallskip}
    Surface temperature & $293.3 \ {\rm K}$ & $287.7 \ {\rm K}$ & $288.4 \ {\rm K}$ & $288.4 \ {\rm K}$ \\
    Low-level cloud temperature & $287.3 \ {\rm K}$ & $280.7 \ {\rm K}$ & $281.4 \ {\rm K}$ & $281.1 \ {\rm K}$ \\
    High-level cloud temperature & $229.2 \ {\rm K}$ & $220.1 \ {\rm K}$ & $220.8 \ {\rm K}$ & $227.5 \ {\rm K}$ \\
    Bond albedo & $0.15$ & $0.27$ & $0.26$ & $0.3$ \\
    \hline
    \noalign{\smallskip}
  \end{tabular}
\end{table}