datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,07 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0710:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0711:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0712:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0713:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0714:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0715:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0716:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0717:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0718:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0719:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0720:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0721:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0722:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0723:30:00,0 ,       .,       .,       .,       .