datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,12 0:30:00,31 ,       0,0.374973,0.028906,0.086701
twpcmbeC1.c1,2005,12 1:30:00,31 ,       0,0.438702,0.037548,0.109946
twpcmbeC1.c1,2005,12 2:30:00,31 ,       0,0.402419,0.028209,0.092089
twpcmbeC1.c1,2005,12 3:30:00,31 ,       0,0.376009,0.029492,0.094833
twpcmbeC1.c1,2005,12 4:30:00,31 ,       0,0.255163,0.022818,0.064021
twpcmbeC1.c1,2005,12 5:30:00,31 ,       0,2.217516,0.732542,0.699481
twpcmbeC1.c1,2005,12 6:30:00,31 ,4.754299,86.41924,40.48795, 20.3777
twpcmbeC1.c1,2005,12 7:30:00,31 ,3.477411,127.0254,68.08662,31.11573
twpcmbeC1.c1,2005,12 8:30:00,31 ,5.318779,152.3997,79.36725,39.44341
twpcmbeC1.c1,2005,12 9:30:00,31 ,2.514792,276.3413,112.1511,66.31876
twpcmbeC1.c1,2005,1210:30:00,31 ,5.338223,335.1089, 119.226,97.48997
twpcmbeC1.c1,2005,1211:30:00,31 ,4.835252,385.3789, 143.348,115.3949
twpcmbeC1.c1,2005,1212:30:00,31 ,6.843969,353.5139,137.5299,103.2262
twpcmbeC1.c1,2005,1213:30:00,31 ,6.375395, 393.702,  136.72,106.3268
twpcmbeC1.c1,2005,1214:30:00,31 ,4.770936,253.2512,105.3565,78.24493
twpcmbeC1.c1,2005,1215:30:00,31 ,5.519497,213.9366,77.54777,58.66988
twpcmbeC1.c1,2005,1216:30:00,31 ,1.970379,153.1625, 50.3291,41.85805
twpcmbeC1.c1,2005,1217:30:00,31 , 1.60821,73.96639, 32.5895,22.99885
twpcmbeC1.c1,2005,1218:30:00,31 ,       0,11.02986, 3.83662,2.603993
twpcmbeC1.c1,2005,1219:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,1220:30:00,31 ,       0,0.066983,0.004245,0.016433
twpcmbeC1.c1,2005,1221:30:00,31 ,       0,0.376964,0.023728,0.091878
twpcmbeC1.c1,2005,1222:30:00,31 ,       0,0.533786,0.042985,0.126503
twpcmbeC1.c1,2005,1223:30:00,31 ,       0,0.539831,0.054674,0.141793