datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1997,04 0:30:00,30 ,0.463381,2.440633, 1.25665,0.563894 twpcmbeC1.c1,1997,04 1:30:00,30 ,0.402526,2.595762,1.084358,0.616674 twpcmbeC1.c1,1997,04 2:30:00,30 ,0.369113,2.477685,1.031183,0.554801 twpcmbeC1.c1,1997,04 3:30:00,30 , 0.28276,1.901205,0.935696,0.401083 twpcmbeC1.c1,1997,04 4:30:00,30 ,0.311252,3.018572,0.992078,0.553083 twpcmbeC1.c1,1997,04 5:30:00,30 ,0.313166,4.117458,1.328593,0.825031 twpcmbeC1.c1,1997,04 6:30:00,30 ,0.961552,7.788142,4.327167,2.101064 twpcmbeC1.c1,1997,04 7:30:00,30 ,1.152738,10.99472,6.531598,2.211804 twpcmbeC1.c1,1997,04 8:30:00,30 ,1.576098,12.80442,7.332853,2.525086 twpcmbeC1.c1,1997,04 9:30:00,30 ,1.181993,19.21253,7.174241,4.157281 twpcmbeC1.c1,1997,0410:30:00,30 ,1.731379,19.73307,6.728439, 4.21793 twpcmbeC1.c1,1997,0411:30:00,30 ,0.702573,19.22776,6.655834,4.926311 twpcmbeC1.c1,1997,0412:30:00,30 ,1.894305,29.59322,8.224474,6.597325 twpcmbeC1.c1,1997,0413:30:00,30 ,1.306083,29.36258,7.908857,6.389984 twpcmbeC1.c1,1997,0414:30:00,30 , 1.7368,32.19585,7.409558,5.824693 twpcmbeC1.c1,1997,0415:30:00,30 ,0.560639,14.60355,6.109053,3.305919 twpcmbeC1.c1,1997,0416:30:00,30 ,0.697656, 16.1192,6.043703,3.660504 twpcmbeC1.c1,1997,0417:30:00,30 ,0.413753,10.33998,4.888965,2.616063 twpcmbeC1.c1,1997,0418:30:00,30 ,0.475313,4.940844, 2.06173,1.084633 twpcmbeC1.c1,1997,0419:30:00,30 ,0.402256,3.170377,1.213841,0.615816 twpcmbeC1.c1,1997,0420:30:00,30 , 0.32233,2.861444,1.039852,0.603964 twpcmbeC1.c1,1997,0421:30:00,30 ,0.393833,2.770534,0.923454,0.477968 twpcmbeC1.c1,1997,0422:30:00,30 ,0.297845,2.584787, 1.00723,0.584345 twpcmbeC1.c1,1997,0423:30:00,30 ,0.266358,2.369938,1.020078,0.528554