SeaWifs monthly clim, mg/m^3                                                   
                                                                               
                                                                               
                                                                               
i/jdm = 712 331                                                              
   chl: month,range = 01   1.4029033E-01   1.5270473E+01
   chl: month,range = 02   1.2185962E-01   1.5048165E+01
   chl: month,range = 03   1.0411630E-01   1.4381689E+01
   chl: month,range = 04   7.8018218E-02   1.4133035E+01
   chl: month,range = 05   6.9247522E-02   1.4784705E+01
   chl: month,range = 06   3.4139026E-02   2.5650400E+01
   chl: month,range = 07   6.5912768E-02   5.0014732E+01
   chl: month,range = 08   7.3326819E-02   4.0932941E+01
   chl: month,range = 09   1.0432680E-01   1.7882067E+01
   chl: month,range = 10   1.1704198E-01   1.6055025E+01
   chl: month,range = 11   1.2977588E-01   1.3130270E+01
   chl: month,range = 12   1.2394533E-01   3.0743492E+01