datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,02 0:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 1:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 2:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 3:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 4:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 5:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 6:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 7:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 8:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,02 9:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0210:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0211:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0212:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0213:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0214:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0215:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0216:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0217:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0218:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0219:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0220:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0221:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0222:30:00,0 ,       .,       .,       .,       .
twpcmbeC2.c1,2004,0223:30:00,0 ,       .,       .,       .,       .