\begin{tabular}
forecast time&Length of forecast time\\
months since 1960-01-01&days\\
Feb-Apr 2019&89.0\\
Mar-May 2019&91.99999\\
Apr-Jun 2019&91.0\\
May-Jul 2019&91.99999\\
Jun-Aug 2019&91.99999\\
Jul-Sep 2019&91.99999\\
Aug-Oct 2019&91.99999\\
\end{tabular}
