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 ,       0,0.108252,0.003733,0.020102
twpcmbeC1.c1,2006,04 6:30:00,29 ,1.503983,66.39677,22.37696, 14.6532
twpcmbeC1.c1,2006,04 7:30:00,29 ,  4.1573,141.4469,44.98042,37.50108
twpcmbeC1.c1,2006,04 8:30:00,29 ,8.695861, 227.626,83.42601,54.19171
twpcmbeC1.c1,2006,04 9:30:00,29 ,3.994914,351.0653,133.3606,90.24856
twpcmbeC1.c1,2006,0410:30:00,29 ,7.261093,310.7778,103.8689,83.21608
twpcmbeC1.c1,2006,0411:30:00,29 ,10.93307,322.5833, 116.342,86.46838
twpcmbeC1.c1,2006,0412:30:00,29 , 9.97684,337.4306,132.6977,  89.396
twpcmbeC1.c1,2006,0413:30:00,29 ,39.48007,334.5835, 123.953,78.53879
twpcmbeC1.c1,2006,0414:30:00,29 ,9.787596,  333.59,110.8104,86.77736
twpcmbeC1.c1,2006,0415:30:00,29 ,6.513561,173.7776,69.87959,45.94636
twpcmbeC1.c1,2006,0416:30:00,29 ,0.575896,174.1236,55.75998,50.83115
twpcmbeC1.c1,2006,0417:30:00,29 , 2.36584,97.18462,37.34781,26.88871
twpcmbeC1.c1,2006,0418:30:00,29 ,0.384717,6.604973,3.447768,1.422936
twpcmbeC1.c1,2006,0419:30:00,29 ,       0, 0.07204,0.004713,0.017649
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