datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,07 0:30:00,30 ,0.483337,2.387721,1.741834,0.517653
sgpcmbeC1.c1,2004,07 1:30:00,30 ,0.522588,2.399791,1.651777,0.539394
sgpcmbeC1.c1,2004,07 2:30:00,30 ,0.016838,2.525551,1.682062, 0.54982
sgpcmbeC1.c1,2004,07 3:30:00,30 ,0.459259,2.157824,1.647308,0.508709
sgpcmbeC1.c1,2004,07 4:30:00,30 ,0.742389, 2.30906,1.664964,0.457762
sgpcmbeC1.c1,2004,07 5:30:00,30 ,0.239769,6.405263, 1.90677,1.578781
sgpcmbeC1.c1,2004,07 6:30:00,30 ,0.034582,112.3303,36.54301,34.90258
sgpcmbeC1.c1,2004,07 7:30:00,30 ,0.065277,295.7192,133.6427,106.9489
sgpcmbeC1.c1,2004,07 8:30:00,30 , 0.10529, 475.436,249.4613,176.3262
sgpcmbeC1.c1,2004,07 9:30:00,30 ,0.129845, 636.752, 326.554,240.2643
sgpcmbeC1.c1,2004,0710:30:00,30 ,0.105522,763.7375,453.6644,289.3433
sgpcmbeC1.c1,2004,0711:30:00,31 , 0.14637,837.8864,516.6132,304.0295
sgpcmbeC1.c1,2004,0712:30:00,31 ,0.254295,843.4548,559.6152,315.1675
sgpcmbeC1.c1,2004,0713:30:00,31 ,0.175034,844.7563,532.8004,303.2832
sgpcmbeC1.c1,2004,0714:30:00,31 ,0.078949,773.4622,457.5585,266.9095
sgpcmbeC1.c1,2004,0715:30:00,31 , 0.17421,642.4988,407.5235,215.5677
sgpcmbeC1.c1,2004,0716:30:00,31 ,0.156181,479.6451, 311.125,159.7675
sgpcmbeC1.c1,2004,0717:30:00,31 ,  0.0042,318.3808,193.3494,93.86857
sgpcmbeC1.c1,2004,0718:30:00,31 ,       0,121.6931,68.57146,41.75902
sgpcmbeC1.c1,2004,0719:30:00,31 ,0.000317,14.82319,5.283706,4.032653
sgpcmbeC1.c1,2004,0720:30:00,31 ,0.483735,2.337677, 1.54496,0.392771
sgpcmbeC1.c1,2004,0721:30:00,31 ,0.680894,2.485255,1.782615,0.476624
sgpcmbeC1.c1,2004,0722:30:00,31 ,0.810496,2.559972,1.766256,0.445831
sgpcmbeC1.c1,2004,0723:30:00,31 ,0.847081,2.637085,1.764851,0.505994