datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,08 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0810:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0811:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0812:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0813:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0814:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0815:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0816:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0817:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0818:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0819:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,0823:30:00,0 ,       .,       .,       .,       .