Halley_6a temperature
2018    -4.7   -10.6   -12.4   -19.0   -21.2   -21.3   -28.1   -27.7   -25.6   -25.1    -8.8    -4.6
2019    -4.9   -10.1   -16.6   -22.5   -21.1   -31.3   -30.0   -30.9   -30.5   -22.1    -9.1    -3.1
2020    -3.1   -11.3   -18.3   -18.2   -28.1   -27.9   -31.3   -34.7   -25.7   -22.7    -8.6    -4.7
2021    -7.3   -10.3   -11.7   -20.6   -21.4   -35.0   -33.2   -33.0   -24.8   -19.9   -10.5    -5.2
2022    -4.9    -9.1   -17.3   -20.3   -22.3   -24.0   -28.1   -35.4   -26.5   -17.2   -13.1    -5.9
2023    -5.9   -12.6   -14.7   -12.7   -24.7   -21.8   -23.0   -25.7   -22.7   -14.8    -7.1    -5.7
2024    -5.5    -8.2   -17.0       -       -       -       -       -       -       -       -       -