datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,04 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,04 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0410:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0411:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0412:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0413:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0414:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0415:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0416:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0417:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0418:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0419:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0420:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0421:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0422:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0423:30:00,0 ,       .,       .,       .,       .