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
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
2023-24    0.58   1.04   1.80   1.87   3.01   6.92  13.81  14.51  25.47  31.33  42.81  50.10  63.58  71.44  75.88  83.96  79.38  86.81  92.96 101.93 104.35 108.04 120.68 116.63 116.93 120.58 112.54  99.51  97.76  86.65  83.29  59.23  43.82  28.97  21.63  19.26  14.69  13.59   9.80   6.03   5.72   2.39   2.21   1.85   1.20   0.70   0.69   0.26   0.01   0.00   0.00   0.00   0.00   0.00