Rothera station_level_pressure
2001   985.4       -       -       -       -       -       -       -       -       -       -       -
2002       -   975.2   987.6       -   992.3   987.9       -   993.1   997.5   983.5       -   981.4
2003   987.5   978.7       -   986.4   983.8   992.6   973.5       -       -       -   979.8   991.5
2004       -       -       -       -       -   984.2   981.3   981.2   972.9       -       -   986.9
2005   981.9   976.2   982.7       -   988.9   993.0   990.3   984.5       -   980.2   985.7   989.3
2006   985.6   989.6   970.7   983.7       -   991.5   984.2   996.0   983.6   979.4   976.5   979.1
2007   986.8       -   983.5   985.3       -       -   992.4   977.6       -       -   985.3   977.3
2008   980.5   980.9   983.3   979.1   982.3   983.7   988.7   982.1   986.6   975.3       -   973.2
2009   977.8       -       -       -       -       -       -       -       -       -       -       -