Rothera 12Z 850hPa wind_speed
1999        -       -       -       -       -       -       -       -       -       -       -       -
2000        -       -       -       -       -       -       -       -       -       -       -       -
2001        -       -       -       -       -       -       -       -       -       -       -       -
2002        -       -       -       -    11.6       -       -       -       -       -       -       -
2003        -       -       -    18.3    14.1     7.6       -    19.6    21.8       -    11.4     8.3
2004     15.6    15.2    19.3    14.3    18.9    11.5    15.4    16.1    13.0    16.6    10.7    11.2
2005     10.7    15.1    15.5    11.2    19.1    14.4    12.3       -    16.6       -    13.0     9.6
2006     10.0    15.7    19.2     8.9    17.6    14.9    19.1     9.9    12.3    16.8     9.3    13.5
2007      9.9    11.2    10.9    13.6       -       -       -       -    16.2     9.7    14.4    13.3
2008     10.5    11.9    17.1    14.4       -    13.6    15.8    16.8    21.2    14.1    13.9    13.6
2009     14.3    11.0    16.3    11.3    12.9    12.8    13.9    17.9    13.9    12.5    11.1    10.3
2010      8.6    11.1    15.1    11.0    19.2    24.7    17.9    16.2    16.1    20.0    20.3    10.3
2011      8.6    16.6    16.3    13.4    18.9    12.6    14.9    16.3    14.5    17.9    13.7    19.0
2012     12.3    12.8    15.8    15.0    18.1    10.9    14.4    23.2    19.4    12.6    17.2     7.7
2013     11.1    14.7    14.5    21.2    18.6    15.5    15.0    14.9    18.0    10.1    14.7     7.1
2014      8.9    15.9    10.8    18.2    14.7    16.8    16.2    16.5    17.3    16.8    12.5     9.8
2015     12.7    14.1    15.0    20.1    16.9    13.1    13.0    20.7    14.0    17.6    13.2       -
2016     13.7    11.8    21.7    14.9    16.6    16.6    15.8    13.7    18.1    19.9    12.7     8.5
2017      8.5     6.8    17.3    14.1    16.4    17.3    13.1    12.4    14.2    10.4    16.1    12.0
2018     10.7    14.8       -    15.1    14.7    15.9    19.6    20.5    12.2    14.4    13.2    16.3
2019      8.5    13.0    17.1    17.6    21.9    15.8    14.5    13.0    19.9    16.7    13.2     8.9
2020     14.3    15.5    17.2    17.2    13.8    17.3    13.9    15.3    14.1    15.6    17.6    13.3
2021     15.1    20.2    15.9    14.7    17.1    21.5    13.9    16.1    19.6    21.0    16.4    15.9
2022     12.7    12.9    15.6     9.9    17.8    20.6    15.6    19.2    22.5    17.0    19.9    11.7
2023     18.4    19.0    18.6    12.3    18.7    13.0    22.5    10.8    13.4    10.4    19.7    13.9
2024     11.5    15.1    11.6    15.6       -       -       -       -       -       -       -       -