Numerical data for Fig.2C of Horinouchi et al (2020), Science latitude, red dashed, blue dashed, red solid, blue solid -38.250000, 0.576487, 0.431590, 0.550141, 0.616372 -35.250000, 0.480803, 0.626921, 0.614526, 0.654392 -32.250000, 0.538203, 0.654475, 0.447923, 0.584328 -29.250000, 0.517353, 0.552424, 0.143645, 0.388871 -26.250000, 0.353223, 0.595553, -0.004455, 0.227331 -23.250000, 0.288785, 0.583183, -0.106759, 0.079119 -20.250000, 0.283929, 0.548650, -0.023508, -0.007170 -17.250000, 0.333788, 0.437983, -0.137091, -0.150526 -14.250000, 0.378088, 0.323123, -0.417887, -0.296552 -11.250000, 0.364443, 0.268949, -0.536945, -0.345617 -8.250000, 0.265600, 0.233199, -0.648958, -0.406757 -5.250000, 0.170468, 0.200809, -0.751354, -0.495509 -2.250000, 0.145028, 0.160208, -0.823024, -0.576055 0.750000, 0.151124, 0.159703, -0.866723, -0.616162 3.750000, 0.161787, 0.207866, -0.849647, -0.581060 6.750000, 0.216808, 0.226095, -0.765454, -0.497817 9.750000, 0.261671, 0.233983, -0.647247, -0.433367 12.750000, 0.267755, 0.234002, -0.554394, -0.410466 15.750000, 0.337651, 0.245145, -0.504141, -0.391381 18.750000, 0.461616, 0.313911, -0.459860, -0.331213 21.750000, 0.512538, 0.380312, -0.254480, -0.113657 24.750000, 0.467502, 0.427335, 0.032638, 0.035954 27.750000, 0.393590, 0.445916, 0.263637, 0.067405 30.750000, 0.195865, 0.416607, 0.459471, 0.179790 33.750000, 0.054339, 0.312432, 0.309679, 0.304003 36.750000, 0.128236, 0.102604, 0.409788, 0.405478 39.750000, 0.187839, -0.029651, 0.796613, 0.443705 latitude, red dotted, blue dotted -21.750000, 0.038754, 0.046814 -15.750000, 0.045781, 0.053742 -9.750000, 0.041342, 0.051615 -3.750000, 0.022852, 0.034885 2.250000, 0.019535, 0.033696 8.250000, 0.025594, 0.042575 14.250000, 0.042425, 0.033384 20.250000, 0.058443, 0.011215 26.250000, 0.035533, 0.020592 32.250000, 0.008789, 0.047248