okhotsk_all sea ice extent (x10^4km^2)
 SEASON   11/05  11/10  11/15  11/20  11/25  11/30  12/05  12/10  12/15  12/20  12/25  12/31  01/05  01/10  01/15  01/20  01/25  01/31  02/05  02/10  02/15  02/20  02/25  02/28  03/05  03/10  03/15  03/20  03/25  03/31  04/05  04/10  04/15  04/20  04/25  04/30  05/05  05/10  05/15  05/20  05/25  05/31  06/05  06/10  06/15  06/20  06/25  06/30  07/05  07/10  07/15  07/20  07/25  07/31
2021-22    0.84   0.80   0.72   1.65   2.90   3.88   7.99  11.13  16.69  33.90  36.83  46.66  44.89  47.30  47.70  53.00  62.22  68.55  63.88  63.94  69.19  68.25  72.02  74.90  80.68  75.76  73.44  65.46  72.28  59.77  60.12  49.76  47.66  44.52  33.16  27.25  18.35  13.44  10.65   9.67   8.10   8.02   6.37   3.28   2.52   2.01   1.03   0.41   0.09   0.02   0.00   0.00   0.00   0.00
2022-23    0.66   1.21   2.03   2.82   3.80   5.51  19.75  30.55  24.66  27.73  25.57  35.01  38.77  54.48  59.80  69.86  73.41  71.07  82.36  93.41  92.79  98.02 105.14 102.17 107.26 101.88  82.43  76.30  79.85  73.24  66.77  59.47  50.66  44.92  35.31  32.86  27.11  25.59  21.48  14.56  12.48  10.91   6.50   5.12   2.80   2.34   2.07   0.55   0.24   0.00   0.00   0.00   0.00   0.00