datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,04 0:30:00,29 ,       0,234.2752,12.57951, 43.2857
sgpcmbeC1.c1,2003,04 1:30:00,29 ,       0,51.99206,5.667855,11.46005
sgpcmbeC1.c1,2003,04 2:30:00,29 ,       0,344.9545,19.62295,67.93911
sgpcmbeC1.c1,2003,04 3:30:00,27 ,       0,161.2786,14.21475,35.48655
sgpcmbeC1.c1,2003,04 4:30:00,28 ,       0,196.2941,23.18079,46.88329
sgpcmbeC1.c1,2003,04 5:30:00,28 ,       0,167.5132,21.00141,44.04594
sgpcmbeC1.c1,2003,04 6:30:00,27 ,       0,293.5642,19.81573,56.71156
sgpcmbeC1.c1,2003,04 7:30:00,28 ,       0,175.1819,17.63343,37.90489
sgpcmbeC1.c1,2003,04 8:30:00,29 ,       0,200.1463,24.72548,51.47801
sgpcmbeC1.c1,2003,04 9:30:00,30 ,       0,248.2278,31.07029,61.71454
sgpcmbeC1.c1,2003,0410:30:00,30 ,       0,283.9713,34.30734,65.65066
sgpcmbeC1.c1,2003,0411:30:00,30 ,       0,284.5965,34.15729,68.93837
sgpcmbeC1.c1,2003,0412:30:00,30 ,0.080504,265.0051,37.10314,67.28362
sgpcmbeC1.c1,2003,0413:30:00,30 ,0.171697,172.6091,24.72375,41.86697
sgpcmbeC1.c1,2003,0414:30:00,30 ,       0,270.8704,28.92097,63.80522
sgpcmbeC1.c1,2003,0415:30:00,30 ,       0,121.1079,20.54429,35.59421
sgpcmbeC1.c1,2003,0416:30:00,30 ,       0,191.9352,18.09934,42.49184
sgpcmbeC1.c1,2003,0417:30:00,30 ,       0,285.8246,22.24583,67.69558
sgpcmbeC1.c1,2003,0418:30:00,30 ,0.141409,124.7289,12.26253,26.75255
sgpcmbeC1.c1,2003,0419:30:00,29 ,0.591672,294.3621, 19.3248,62.01829
sgpcmbeC1.c1,2003,0420:30:00,28 ,0.199287,69.53982,7.696856,14.65436
sgpcmbeC1.c1,2003,0421:30:00,28 ,0.062097,56.30265,5.678808,11.69157
sgpcmbeC1.c1,2003,0422:30:00,28 ,       0,51.28632,6.628223,11.92324
sgpcmbeC1.c1,2003,0423:30:00,28 ,       0,64.65588,9.989427,17.48542