datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,04 0:30:00,29 ,       0,155.6931,15.20267,33.68538
sgpcmbeC1.c1,2004,04 1:30:00,29 ,       0,408.6401,24.13624,77.64723
sgpcmbeC1.c1,2004,04 2:30:00,29 ,       0,245.5327,19.29601,52.83711
sgpcmbeC1.c1,2004,04 3:30:00,29 ,       0, 431.028,27.96907,81.83131
sgpcmbeC1.c1,2004,04 4:30:00,28 ,       0,65.72471,10.68396,18.77878
sgpcmbeC1.c1,2004,04 5:30:00,28 ,       0,614.8031,44.89341,128.3388
sgpcmbeC1.c1,2004,04 6:30:00,28 ,       0,296.2859,40.13315,81.68744
sgpcmbeC1.c1,2004,04 7:30:00,29 ,       0,310.3066, 28.5078,62.62194
sgpcmbeC1.c1,2004,04 8:30:00,30 ,       0,396.5363,53.34793,104.0888
sgpcmbeC1.c1,2004,04 9:30:00,30 ,       0,281.3007, 36.4233,66.36427
sgpcmbeC1.c1,2004,0410:30:00,30 ,       0,406.5836, 36.0813,83.94549
sgpcmbeC1.c1,2004,0411:30:00,30 ,       0,307.7186,31.87969,70.35908
sgpcmbeC1.c1,2004,0412:30:00,30 , 0.01658,201.9321, 34.7917,51.61425
sgpcmbeC1.c1,2004,0413:30:00,30 ,0.025309,332.0133,44.37047,73.65377
sgpcmbeC1.c1,2004,0414:30:00,30 ,0.079046,233.7851,40.55635,60.09486
sgpcmbeC1.c1,2004,0415:30:00,30 ,0.354687,408.9708,56.86754,112.0742
sgpcmbeC1.c1,2004,0416:30:00,30 ,       0, 452.523,46.12713,106.2906
sgpcmbeC1.c1,2004,0417:30:00,30 ,       0,522.8795,43.47797, 104.063
sgpcmbeC1.c1,2004,0418:30:00,30 ,       0,305.8964,31.60941,69.42855
sgpcmbeC1.c1,2004,0419:30:00,30 ,1.102607,382.4677,48.48275,96.69225
sgpcmbeC1.c1,2004,0420:30:00,30 ,0.802161,295.6714,37.28332,73.53517
sgpcmbeC1.c1,2004,0421:30:00,30 ,0.484143,232.5386,33.03923,63.05593
sgpcmbeC1.c1,2004,0422:30:00,28 ,0.478748,187.2639, 18.4028,43.37432
sgpcmbeC1.c1,2004,0423:30:00,29 ,       0,331.2631,33.47941,79.20791