datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,04 0:30:00,27 ,       0,0.626302,0.023196,0.120532
twpcmbeC1.c1,2006,04 1:30:00,28 ,       0,0.517898, 0.06938,0.156385
twpcmbeC1.c1,2006,04 2:30:00,28 ,       0,  0.5682,0.090514,0.163082
twpcmbeC1.c1,2006,04 3:30:00,29 ,       0,0.324786,0.036063,0.093961
twpcmbeC1.c1,2006,04 4:30:00,29 ,       0,0.252418,0.008704,0.046873
twpcmbeC1.c1,2006,04 5:30:00,29 ,       0,0.106088,0.003658,  0.0197
twpcmbeC1.c1,2006,04 6:30:00,29 ,0.000256,21.54902, 3.08421,4.990851
twpcmbeC1.c1,2006,04 7:30:00,29 ,0.044135,107.3983,23.60555,35.16768
twpcmbeC1.c1,2006,04 8:30:00,29 ,0.193858, 192.045,57.13174,58.69589
twpcmbeC1.c1,2006,04 9:30:00,29 ,0.277636,266.4516,98.55407,93.82121
twpcmbeC1.c1,2006,0410:30:00,29 ,0.589263,289.7573,83.69573,85.61614
twpcmbeC1.c1,2006,0411:30:00,29 ,1.112971,315.2072,92.55665,100.5903
twpcmbeC1.c1,2006,0412:30:00,29 ,0.899128,284.5272,108.8911,96.15197
twpcmbeC1.c1,2006,0413:30:00,29 ,0.656625,307.0125,98.90487,96.47056
twpcmbeC1.c1,2006,0414:30:00,29 ,0.253607, 267.744,85.95375,88.52581
twpcmbeC1.c1,2006,0415:30:00,29 ,0.088813,183.1258,51.30124,54.36166
twpcmbeC1.c1,2006,0416:30:00,29 ,       0,144.7925,40.31445,48.89915
twpcmbeC1.c1,2006,0417:30:00,29 ,0.004292,63.63767,15.11688,20.33147
twpcmbeC1.c1,2006,0418:30:00,29 ,       0,0.819194,0.068832,0.201145
twpcmbeC1.c1,2006,0419:30:00,29 ,       0, 0.07204, 0.00443,0.016696
twpcmbeC1.c1,2006,0420:30:00,29 ,       0,0.247163,0.022011,0.062202
twpcmbeC1.c1,2006,0421:30:00,28 ,       0,0.464369,0.029544,0.109353
twpcmbeC1.c1,2006,0422:30:00,29 ,       0,0.271872,0.033544,0.078233
twpcmbeC1.c1,2006,0423:30:00,28 ,       0,0.421516,0.015054,0.079659