slp   -30.0   -25.0   -20.0   -15.0   -10.0    -5.0     0.0     5.0    10.0    15.0    20.0    25.0    30.0    35.0    40.0
  70.0  1013.1  1013.0  1012.8  1012.6  1012.3  1012.0  1011.8  1011.5  1011.2  1010.8  1010.5  1010.4  1010.4  1010.5  1010.6
  65.0  1011.1  1010.8  1010.7  1010.7  1011.0  1011.3  1011.4  1011.3  1010.9  1010.3  1009.8  1009.5  1009.6  1009.7  1009.8
  60.0  1010.4  1010.4  1010.6  1011.0  1011.5  1012.0  1012.3  1012.0  1011.4  1011.0  1010.7  1010.5  1010.4  1010.3  1010.1
  55.0  1012.2  1012.5  1012.9  1013.3  1013.9  1014.4  1014.6  1014.6  1014.2  1013.8  1013.3  1012.8  1012.3  1011.8  1011.3
  50.0  1016.0  1016.4  1016.7  1016.9  1017.1  1017.2  1017.2  1016.8  1016.3  1015.8  1015.0  1014.4  1013.6  1012.8  1012.2
  45.0  1020.1  1020.2  1020.1  1019.8  1019.2  1018.4  1017.6  1016.7  1016.0  1015.5  1015.7  1015.1  1014.1  1013.0  1012.3
  40.0  1023.4  1023.2  1022.3  1020.7  1018.8  1017.3  1016.7  1016.6  1016.2  1015.5  1014.4  1013.3  1012.4  1011.3  1008.8
  35.0  1024.9  1024.0  1022.5  1020.5  1018.2  1016.2  1015.3  1015.0  1015.5  1015.6  1014.5  1011.9  1008.5  1007.2  1002.8
  30.0  1024.3  1022.9  1021.0  1018.5  1015.8  1013.3  1012.0  1012.2  1012.9  1013.5  1014.0  1011.9  1009.7  1006.7  1003.5