Halley_6 18Z msl_pressure
2012       -       -   986.4   991.8   989.3   987.5   989.3   986.4   985.2   979.0   990.1   992.0
2013   989.6   984.5   983.2   984.7   986.7   993.8   987.5   996.0   992.6   985.3   980.6   986.5
2014   993.6   989.1   987.2   990.2   993.7   992.6   984.4   988.4   995.2   984.2   983.8   982.9
2015   987.6   982.3   982.6   983.1   986.0   989.1   980.0   979.1   982.4   988.6   982.9   989.3
2016   984.4   985.4   978.6   981.9   981.9   983.5   982.5   987.9   978.8   981.9   991.1   993.1
2017   995.5   986.3   989.8   981.9   983.8   989.5   983.0   985.6   977.0   988.7   979.7   984.7
2018       -       -       -       -       -       -       -       -       -       -       -       -
2019       -       -       -       -       -       -       -       -       -       -       -       -
2020       -       -       -       -       -       -       -       -       -       -       -       -
2021       -       -       -       -       -       -       -       -       -       -       -       -
2022       -       -       -       -       -       -       -       -       -       -       -       -
2023       -       -       -       -       -       -       -       -       -       -       -       -
2024       -       -       -       -       -       -       -       -       -       -       -       -