datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,07 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,07 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0710:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0711:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0712:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0713:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0714:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0715:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0716:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0717:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0718:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0719:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0720:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0721:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0722:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0723:30:00,0 ,       .,       .,       .,       .