datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,10 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1010:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1011:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1012:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1013:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1014:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1015:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1016:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1017:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1018:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1019:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1020:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1021:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1022:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1023:30:00,0 ,       .,       .,       .,       .