datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,05 0:30:00,30 , 0.01592,0.245741,0.064516,0.061465
sgpcmbeC1.c1,2003,05 1:30:00,29 ,0.012434,0.205884,0.059772,0.047563
sgpcmbeC1.c1,2003,05 2:30:00,29 , 0.01279,0.209263,0.058154,0.050567
sgpcmbeC1.c1,2003,05 3:30:00,29 ,0.014382, 0.15424,0.062204,0.043455
sgpcmbeC1.c1,2003,05 4:30:00,27 ,0.014651,0.154019,0.048624,0.036455
sgpcmbeC1.c1,2003,05 5:30:00,27 ,0.009334,0.149367,0.055032,0.036939
sgpcmbeC1.c1,2003,05 6:30:00,27 ,0.013138,0.209845,0.067019,0.053188
sgpcmbeC1.c1,2003,05 7:30:00,25 ,0.014049,0.176545,0.051802,0.045253
sgpcmbeC1.c1,2003,05 8:30:00,25 ,0.019171,0.206378,0.049825,0.042339
sgpcmbeC1.c1,2003,05 9:30:00,29 ,  0.0142,0.359684,0.073183,0.072668
sgpcmbeC1.c1,2003,0510:30:00,30 ,0.018085,0.246643,0.058688,0.046011
sgpcmbeC1.c1,2003,0511:30:00,31 ,0.015009,0.279292,0.066895,0.056151
sgpcmbeC1.c1,2003,0512:30:00,31 ,0.019092,0.261073,0.071743,0.057619
sgpcmbeC1.c1,2003,0513:30:00,31 ,0.020115,0.223833,0.064155,0.050422
sgpcmbeC1.c1,2003,0514:30:00,31 , 0.01018,0.262434,0.066612,0.049934
sgpcmbeC1.c1,2003,0515:30:00,30 ,0.022769,0.168728,0.071156,0.043729
sgpcmbeC1.c1,2003,0516:30:00,30 , 0.02008,0.303246,0.070923, 0.05473
sgpcmbeC1.c1,2003,0517:30:00,30 ,0.017939,0.247702,0.069461,0.062158
sgpcmbeC1.c1,2003,0518:30:00,31 ,0.014404,0.369457,0.055144,0.062808
sgpcmbeC1.c1,2003,0519:30:00,31 , 0.01675,0.363645,0.052968,0.061658
sgpcmbeC1.c1,2003,0520:30:00,31 ,0.016789,0.158307,0.046571,0.031532
sgpcmbeC1.c1,2003,0521:30:00,30 ,0.017165,0.206414,0.058401,0.042433
sgpcmbeC1.c1,2003,0522:30:00,30 ,0.014093,0.289571,0.064527,0.067574
sgpcmbeC1.c1,2003,0523:30:00,30 ,0.017358,0.380251,0.069353,0.095826