datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,02 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,02 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0210:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0211:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0212:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0213:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0214:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0215:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0216:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0217:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1996,0223:30:00,0 ,       .,       .,       .,       .