datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,24 ,       0,747.3572,56.25754, 164.151
sgpcmbeC1.c1,2004,06 1:30:00,25 ,       0,1079.023,110.5092,251.9353
sgpcmbeC1.c1,2004,06 2:30:00,25 ,       0, 1494.98,160.1368,349.3624
sgpcmbeC1.c1,2004,06 3:30:00,23 ,       0,1805.197,139.1685,390.7832
sgpcmbeC1.c1,2004,06 4:30:00,22 ,       0,880.6045,78.86498,206.7546
sgpcmbeC1.c1,2004,06 5:30:00,25 ,       0,1318.174,177.2472,335.2652
sgpcmbeC1.c1,2004,06 6:30:00,25 ,       0,816.9762,144.0415,235.6519
sgpcmbeC1.c1,2004,06 7:30:00,23 ,       0,459.4818,81.04138,135.7596
sgpcmbeC1.c1,2004,06 8:30:00,24 ,       0, 461.628,79.74179,135.1329
sgpcmbeC1.c1,2004,06 9:30:00,24 ,       0,690.8679,84.09317,165.0521
sgpcmbeC1.c1,2004,0610:30:00,25 ,       0,693.0744,93.73634,173.2478
sgpcmbeC1.c1,2004,0611:30:00,26 ,       0,776.6284,115.1632,203.1237
sgpcmbeC1.c1,2004,0612:30:00,26 ,       0,1020.965,126.2801,248.7858
sgpcmbeC1.c1,2004,0613:30:00,27 ,       0,786.4758, 101.229,  196.62
sgpcmbeC1.c1,2004,0614:30:00,27 ,       0,709.2875,58.39836,144.4706
sgpcmbeC1.c1,2004,0615:30:00,26 ,       0, 181.329,34.74718,60.11089
sgpcmbeC1.c1,2004,0616:30:00,26 ,       0,429.0172,29.03418,83.00665
sgpcmbeC1.c1,2004,0617:30:00,26 ,       0, 116.192,14.91731,25.67133
sgpcmbeC1.c1,2004,0618:30:00,26 ,       0, 109.413,15.51616,25.71509
sgpcmbeC1.c1,2004,0619:30:00,26 ,       0,247.6704,25.85547,55.58103
sgpcmbeC1.c1,2004,0620:30:00,27 ,0.001162, 972.918,85.39926,225.5473
sgpcmbeC1.c1,2004,0621:30:00,26 ,0.002166,725.5955,64.27431, 152.418
sgpcmbeC1.c1,2004,0622:30:00,26 ,       0, 698.482,65.94846,152.7499
sgpcmbeC1.c1,2004,0623:30:00,25 ,       0,636.7954,54.94336,135.2004