\begin{tabular}
Degree of Freedom&forecast time&Length of forecast time\\
&months since 1960-01-01&days\\
&Oct 2019 - Jan 2020&123.0\\
&Oct 2020 - Jan 2021&123.0\\
&Oct 2021 - Jan 2022&123.0\\
&Oct 2022 - Jan 2023&123.0\\
&Oct 2023 - Jan 2024&123.0\\
&Oct 2024 - Jan 2025&123.0\\
&Oct 2025 - Jan 2026&123.0\\
&Oct 2026 - Jan 2027&123.0\\
\end{tabular}