$ wgrib JRA55/Hist/Monthly/fcst_phy2m125/fcst_phy2m125.197601
1:0:d=76010100:var1:kpds5=1:kpds6=1:kpds7=0:TR=130:P1=0:P2=6:TimeU=1:sfc:0-6hr fcst ave:ave@24hr:NAve=124
2:62748:d=76010100:var57:kpds5=57:kpds6=1:kpds7=0:TR=130:P1=0:P2=6:TimeU=1:sfc:0-6hr fcst ave:ave@24hr:NAve=124
3:125496:d=76010100:var61:kpds5=61:kpds6=1:kpds7=0:TR=130:P1=0:P2=6:TimeU=1:sfc:0-6hr fcst ave:ave@24hr:NAve=124
(以下続く)