wgrib -V JRA55/Hist/Monthly/fcst_phy2m125/fcst_phy2m125.197601
rec 1:0:date 1976010100 var1 kpds5=1 kpds6=1 kpds7=0 levels=(0,0) grid=255 sfc 0-6hr fcst ave:ave@24hr:
  var1=undefined
  timerange 130 P1 0 P2 6 TimeU 1  nx 288 ny 145 GDS grid 0 num_in_ave 124 missing 0
  center 34 subcenter 241 process 201 Table 200 scan: WE:NS winds(N/S)
  latlon: lat  90.000000 to -90.000000 by 1.250000  nxny 41760
          long 0.000000 to -1.250000 by 1.250000, (288 x 145) scan 0 mode 128 bdsgrid 1
  min/max data 51994 102694  num bits 12  BDS_Ref 519.94  DecScale -2 BinScale -3

rec 2:62748:date 1976010100 var57 kpds5=57 kpds6=1 kpds7=0 levels=(0,0) grid=255 sfc 0-6hr fcst ave:ave@24hr:
  var57=undefined
  timerange 130 P1 0 P2 6 TimeU 1  nx 288 ny 145 GDS grid 0 num_in_ave 124 missing 0
  center 34 subcenter 241 process 201 Table 200 scan: WE:NS winds(N/S)
  latlon: lat  90.000000 to -90.000000 by 1.250000  nxny 41760
          long 0.000000 to -1.250000 by 1.250000, (288 x 145) scan 0 mode 128 bdsgrid 1
  min/max data -0.0822005 14.0545  num bits 12  BDS_Ref -0.0822005  DecScale 0 BinScale -8

(以下続く)