SeaWifs monthly clim, mg/m^3                                                   
                                                                               
                                                                               
                                                                               
i/jdm = 989 480                                                              
   chl: month,range = 01   2.5397284E-02   2.9363474E+01
   chl: month,range = 02   1.3284977E-02   3.9055706E+01
   chl: month,range = 03   2.4702502E-02   1.6480221E+01
   chl: month,range = 04   1.7887427E-02   2.1882597E+01
   chl: month,range = 05   2.0935787E-02   5.0969868E+01
   chl: month,range = 06   2.0272497E-02   5.7177208E+01
   chl: month,range = 07   2.0087661E-02   3.5743603E+01
   chl: month,range = 08   1.5254311E-02   3.7994781E+01
   chl: month,range = 09   2.1128651E-02   2.8431669E+01
   chl: month,range = 10   2.2188637E-02   3.1721579E+01
   chl: month,range = 11   1.9994499E-02   3.1351686E+01
   chl: month,range = 12   1.6863443E-02   1.9037201E+01