Halley_6a 06Z temperature
2018    -6.5   -12.5   -13.7   -19.5   -21.5   -21.1   -28.1   -27.5   -26.1   -28.6   -10.5    -6.1
2019    -6.7   -11.9   -17.5   -22.8   -20.9   -31.5   -30.1   -30.7   -31.4   -24.1   -11.1    -4.6
2020    -4.4   -13.4   -19.7   -18.2   -28.1   -28.1   -30.9   -34.7   -26.4   -25.2   -10.3    -6.4
2021    -9.8   -11.9   -12.7   -20.7   -21.1   -34.4   -32.9   -33.0   -25.8   -21.9   -12.4    -6.5
2022    -7.2   -10.6   -19.1   -20.6   -22.2   -24.3   -28.3   -36.1   -27.8   -19.0   -15.6    -7.7
2023    -7.7   -14.9   -15.8   -13.0   -24.9   -22.2   -22.0   -25.9   -23.4   -16.3    -8.0    -8.2
2024    -7.1   -10.0   -17.9   -18.7       -       -       -       -       -       -       -       -