Average all over the Arctic ocean
Pre-Industrial (PI)
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;   0.72;   0.76;   0.76;   0.75;   0.71;   0.59;   0.43;   0.35;   0.43;   0.55;   0.55;    nan;
                       HadGEM3;   0.60;   0.67;   0.70;   0.70;   0.68;   0.53;   0.36;   0.34;   0.41;   0.51;   0.50;    nan;
                          IPSL;   0.59;   0.70;   0.73;   0.72;   0.69;   0.58;   0.43;   0.36;   0.42;   0.56;   0.53;    nan;
Last Interglacial (LIG)
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;    nan;   0.67;   0.76;   0.75;   0.70;   0.51;   0.29;   0.17;   0.16;   0.28;   0.34;    nan;
                       HadGEM3;    nan;   0.56;   0.66;   0.66;   0.61;   0.38;   0.19;   0.14;   0.11;   0.25;   0.25;   0.36;
                          IPSL;    nan;   0.60;   0.71;   0.71;   0.67;   0.50;   0.33;   0.24;   0.20;   0.39;   0.36;    nan;
LIG-PI anomaly
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;    nan;  -0.09;   0.00;  -0.00;  -0.01;  -0.08;  -0.14;  -0.19;  -0.27;  -0.27;  -0.20;    nan;
                       HadGEM3;    nan;  -0.12;  -0.04;  -0.04;  -0.06;  -0.15;  -0.17;  -0.21;  -0.30;  -0.26;  -0.25;    nan;
                          IPSL;    nan;  -0.10;  -0.01;  -0.01;  -0.02;  -0.08;  -0.10;  -0.13;  -0.22;  -0.17;  -0.17;    nan;
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Average over sea ice (sic>0.9)
Pre-Industrial (PI)
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;   0.84;   0.82;   0.81;   0.80;   0.77;   0.69;   0.59;   0.53;   0.67;   0.79;   0.75;    nan;
                       HadGEM3;   0.73;   0.75;   0.77;   0.77;   0.76;   0.65;   0.48;   0.54;   0.66;   0.73;   0.69;    nan;
                          IPSL;   0.71;   0.78;   0.79;   0.79;   0.78;   0.70;   0.56;   0.49;   0.63;   0.74;   0.68;    nan;
Last Interglacial (LIG)
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;    nan;   0.74;   0.81;   0.79;   0.76;   0.60;   0.39;   0.20;   0.39;   0.69;   0.68;    nan;
                       HadGEM3;    nan;   0.66;   0.75;   0.76;   0.73;   0.51;    nan;    nan;    nan;   0.90;    nan;   0.38;
                          IPSL;    nan;   0.69;   0.79;   0.79;   0.78;   0.62;   0.47;   0.32;   0.32;   0.67;   0.44;    nan;
LIG-PI anomaly
                        months;      1;      2;      3;      4;      5;      6;      7;      8;      9;     10;     11;     12;
                         CESM2;    nan;  -0.08;  -0.00;  -0.01;  -0.01;  -0.09;  -0.20;  -0.33;  -0.28;  -0.10;  -0.07;    nan;
                       HadGEM3;    nan;  -0.09;  -0.01;  -0.01;  -0.03;  -0.15;    nan;    nan;    nan;   0.17;    nan;    nan;
                          IPSL;    nan;  -0.08;  -0.00;  -0.01;  -0.01;  -0.08;  -0.10;  -0.17;  -0.31;  -0.08;  -0.25;    nan;
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