datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,30 ,       0,0.080914,0.004082,0.016371
sgpcmbeC1.c1,2003,11 1:30:00,30 ,       0,0.164072,0.011501,0.040634
sgpcmbeC1.c1,2003,11 2:30:00,30 ,       0,0.139671,0.009389,0.031095
sgpcmbeC1.c1,2003,11 3:30:00,30 ,       0,0.112318, 0.00735,0.023405
sgpcmbeC1.c1,2003,11 4:30:00,30 ,       0,0.132389,0.004618,0.024152
sgpcmbeC1.c1,2003,11 5:30:00,30 ,       0,0.258199,0.010289, 0.04772
sgpcmbeC1.c1,2003,11 6:30:00,30 ,       0,0.073679, 0.00259,0.013447
sgpcmbeC1.c1,2003,11 7:30:00,30 ,0.188281,10.40263,4.305383,3.150495
sgpcmbeC1.c1,2003,11 8:30:00,30 , 1.19529,26.55694,7.994268,5.912815
sgpcmbeC1.c1,2003,11 9:30:00,30 ,0.927506,21.67002,8.837818,5.514126
sgpcmbeC1.c1,2003,1110:30:00,30 ,1.560088,34.43843,9.483585,8.307345
sgpcmbeC1.c1,2003,1111:30:00,30 ,1.249619,30.16429, 8.89595,8.899607
sgpcmbeC1.c1,2003,1112:30:00,30 ,0.322026, 37.0796,9.340174,10.74614
sgpcmbeC1.c1,2003,1113:30:00,30 ,1.747968,38.08868,9.275243,8.760621
sgpcmbeC1.c1,2003,1114:30:00,30 ,0.974588,38.38871,10.79184,9.643355
sgpcmbeC1.c1,2003,1115:30:00,30 ,0.302487,24.12669,8.510599,5.248032
sgpcmbeC1.c1,2003,1116:30:00,30 ,1.094614,18.65535,8.382142,4.997049
sgpcmbeC1.c1,2003,1117:30:00,30 ,       0,5.036969,1.391111, 1.25202
sgpcmbeC1.c1,2003,1118:30:00,30 ,       0,0.084518,0.002817,0.015431
sgpcmbeC1.c1,2003,1119:30:00,30 ,       0,0.002962,0.000099,0.000541
sgpcmbeC1.c1,2003,1120:30:00,30 ,       0,0.038973,0.001299,0.007116
sgpcmbeC1.c1,2003,1121:30:00,30 ,       0,0.167088,0.006227,0.030594
sgpcmbeC1.c1,2003,1122:30:00,30 ,       0,0.060824,0.002562,0.011198
sgpcmbeC1.c1,2003,1123:30:00,30 ,       0,0.203268,0.006978, 0.03709