datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,01 0:30:00,27 ,       0,3.181591,0.703894,1.191559
sgpcmbeC1.c1,2006,01 1:30:00,26 ,       0,3.066727,0.552708,0.938296
sgpcmbeC1.c1,2006,01 2:30:00,24 ,       0,2.991682,0.434868, 0.93529
sgpcmbeC1.c1,2006,01 3:30:00,24 ,       0,3.518056,0.437421,0.966195
sgpcmbeC1.c1,2006,01 4:30:00,26 ,       0,3.405603,0.598027,0.957434
sgpcmbeC1.c1,2006,01 5:30:00,29 ,       0, 3.37926,0.451754,0.941534
sgpcmbeC1.c1,2006,01 6:30:00,27 ,       0,2.746904, 0.25353,0.693317
sgpcmbeC1.c1,2006,01 7:30:00,31 ,       0,4.789464,0.986905, 1.28383
sgpcmbeC1.c1,2006,01 8:30:00,31 ,0.018171,108.6669,45.25794,36.79208
sgpcmbeC1.c1,2006,01 9:30:00,31 ,0.088501,281.6134,143.7363,94.05464
sgpcmbeC1.c1,2006,0110:30:00,31 ,0.110794,432.2196,240.0575,147.7484
sgpcmbeC1.c1,2006,0111:30:00,31 ,0.179153,530.5679, 313.122, 168.274
sgpcmbeC1.c1,2006,0112:30:00,31 ,0.042534,574.5625,357.2434,184.2262
sgpcmbeC1.c1,2006,0113:30:00,31 ,0.293915,558.6537,349.1674, 169.599
sgpcmbeC1.c1,2006,0114:30:00,31 ,0.184166,469.5424,273.2578,152.3377
sgpcmbeC1.c1,2006,0115:30:00,31 ,       0, 336.913,187.2675,113.3794
sgpcmbeC1.c1,2006,0116:30:00,31 ,       0,176.2112, 81.5841, 55.8902
sgpcmbeC1.c1,2006,0117:30:00,31 ,       0,28.26094,7.184197,7.835073
sgpcmbeC1.c1,2006,0118:30:00,18 ,       0,3.437623,0.496029,0.924639
sgpcmbeC1.c1,2006,0119:30:00,23 ,       0,3.003697,0.423504,0.870352
sgpcmbeC1.c1,2006,0120:30:00,24 ,       0,3.028044,0.561807,1.034066
sgpcmbeC1.c1,2006,0121:30:00,24 ,       0,4.022333,0.845436,1.334339
sgpcmbeC1.c1,2006,0122:30:00,25 ,       0,2.736844,0.629125,0.995045
sgpcmbeC1.c1,2006,0123:30:00,23 ,       0,2.994778,0.565609,1.050895