datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,       0, 4.51548,0.629465,1.490273
sgpcmbeC1.c1,2006,04 1:30:00,30 ,       0,4.508708,0.679542,1.557383
sgpcmbeC1.c1,2006,04 2:30:00,30 ,       0,4.606932,0.701294,1.504327
sgpcmbeC1.c1,2006,04 3:30:00,30 ,       0,4.643724, 0.67014,1.393809
sgpcmbeC1.c1,2006,04 4:30:00,29 ,       0,4.652068,0.585561,1.340608
sgpcmbeC1.c1,2006,04 5:30:00,30 ,       0,5.364379,1.144913,1.591213
sgpcmbeC1.c1,2006,04 6:30:00,30 ,1.118212,116.3179,45.59331,30.83444
sgpcmbeC1.c1,2006,04 7:30:00,30 ,2.995415,318.7517,179.8701,101.0175
sgpcmbeC1.c1,2006,04 8:30:00,30 ,5.170824,524.9282, 351.511,160.4804
sgpcmbeC1.c1,2006,04 9:30:00,30 ,8.488369,706.9658,509.9349,213.0531
sgpcmbeC1.c1,2006,0410:30:00,30 ,29.64388,850.4828,620.7269,267.0993
sgpcmbeC1.c1,2006,0411:30:00,30 ,23.81012,940.2479, 678.357,297.2867
sgpcmbeC1.c1,2006,0412:30:00,30 ,39.42921,972.3951,761.1126,291.4563
sgpcmbeC1.c1,2006,0413:30:00,30 ,82.94297,937.8914,751.1186,248.9828
sgpcmbeC1.c1,2006,0414:30:00,30 ,66.05283,846.8875,640.5983,244.7637
sgpcmbeC1.c1,2006,0415:30:00,30 ,13.51269,698.9111,516.9772,212.1451
sgpcmbeC1.c1,2006,0416:30:00,30 ,7.466872,509.6756,365.8843,146.1017
sgpcmbeC1.c1,2006,0417:30:00,30 ,0.265262,297.3853,207.6025,82.49375
sgpcmbeC1.c1,2006,0418:30:00,30 ,       0,101.0832,55.22095, 28.8441
sgpcmbeC1.c1,2006,0419:30:00,30 ,       0,7.316517,1.157543,1.727423
sgpcmbeC1.c1,2006,0420:30:00,30 ,       0,4.414272,0.311269,0.945566
sgpcmbeC1.c1,2006,0421:30:00,30 ,       0, 4.80304,0.391458,1.188453
sgpcmbeC1.c1,2006,0422:30:00,30 ,       0,4.711731,0.690745,1.430114
sgpcmbeC1.c1,2006,0423:30:00,30 ,       0,4.662565,0.543854,1.420307