datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,04 0:30:00,30 ,       0, 0.17196,0.024671,0.053898
twpcmbeC1.c1,1999,04 1:30:00,30 ,       0,0.110099,0.011101,0.029388
twpcmbeC1.c1,1999,04 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 5:30:00,30 ,       0,0.003507,0.000235,0.000786
twpcmbeC1.c1,1999,04 6:30:00,30 ,       0,50.64692,15.07461,12.81788
twpcmbeC1.c1,1999,04 7:30:00,30 ,0.406369,132.6846,66.28585,35.70872
twpcmbeC1.c1,1999,04 8:30:00,30 ,3.693453, 180.149,81.48068,39.85971
twpcmbeC1.c1,1999,04 9:30:00,30 ,0.920875,257.0119,110.2148,61.49708
twpcmbeC1.c1,1999,0410:30:00,30 ,0.060106,275.1785,117.8758,87.55169
twpcmbeC1.c1,1999,0411:30:00,30 , 0.07309,458.1768,145.3837,125.3903
twpcmbeC1.c1,1999,0412:30:00,30 ,0.230823,421.4705,94.18986,119.0007
twpcmbeC1.c1,1999,0413:30:00,30 ,0.027278,368.3856,108.6169,108.2706
twpcmbeC1.c1,1999,0414:30:00,30 ,0.464122, 292.472,94.33497,73.17749
twpcmbeC1.c1,1999,0415:30:00,30 ,0.120161,214.6909,83.83132,60.90323
twpcmbeC1.c1,1999,0416:30:00,30 ,       0,146.1885,59.37407,39.16231
twpcmbeC1.c1,1999,0417:30:00,30 ,       0,61.51696,30.69597,22.95938
twpcmbeC1.c1,1999,0418:30:00,30 ,       0,1.994193,0.150658,0.378446
twpcmbeC1.c1,1999,0419:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0420:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0421:30:00,30 ,       0,0.119157,0.006577,0.025602
twpcmbeC1.c1,1999,0422:30:00,30 ,       0,0.100494, 0.00335,0.018348
twpcmbeC1.c1,1999,0423:30:00,30 ,       0,0.181421,0.017531,0.047425