datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,07 0:30:00,25 ,       0,168.2164,16.08091,36.77337
sgpcmbeC1.c1,1997,07 1:30:00,25 ,       0,74.08128,11.41184,18.41972
sgpcmbeC1.c1,1997,07 2:30:00,25 ,       0,158.7091,16.61556,39.56569
sgpcmbeC1.c1,1997,07 3:30:00,25 ,       0,187.3275, 20.7587,44.64379
sgpcmbeC1.c1,1997,07 4:30:00,25 ,       0,169.4013,26.02279,45.18477
sgpcmbeC1.c1,1997,07 5:30:00,25 ,       0, 177.492,21.12645,41.48135
sgpcmbeC1.c1,1997,07 6:30:00,25 ,       0,178.1101,18.72948,40.89566
sgpcmbeC1.c1,1997,07 7:30:00,25 ,       0, 154.999,16.83346,35.01714
sgpcmbeC1.c1,1997,07 8:30:00,25 ,       0,192.9701,26.51342,54.06553
sgpcmbeC1.c1,1997,07 9:30:00,25 ,       0,195.4031,19.39447,47.51884
sgpcmbeC1.c1,1997,0710:30:00,26 ,       0,160.9258,20.14894,39.83675
sgpcmbeC1.c1,1997,0711:30:00,26 ,       0,106.2382,16.12354,28.73619
sgpcmbeC1.c1,1997,0712:30:00,26 ,       0,236.3265,24.78105, 54.9828
sgpcmbeC1.c1,1997,0713:30:00,25 ,       0,85.83584,14.14599,23.17975
sgpcmbeC1.c1,1997,0714:30:00,22 ,       0,128.9752,15.04039,29.21186
sgpcmbeC1.c1,1997,0715:30:00,24 ,       0,113.0675,9.100843,22.91164
sgpcmbeC1.c1,1997,0716:30:00,25 ,       0,157.3242, 21.6772,46.99093
sgpcmbeC1.c1,1997,0717:30:00,26 ,       0,147.0883,18.99792,41.94951
sgpcmbeC1.c1,1997,0718:30:00,26 ,       0,74.43964,9.311859,18.11613
sgpcmbeC1.c1,1997,0719:30:00,26 ,       0,169.2196,11.48709,34.26093
sgpcmbeC1.c1,1997,0720:30:00,27 ,       0,62.63951,10.64138,18.64237
sgpcmbeC1.c1,1997,0721:30:00,27 ,       0,119.2335,16.58693, 31.4666
sgpcmbeC1.c1,1997,0722:30:00,27 ,       0,162.6469,26.59682,50.34764
sgpcmbeC1.c1,1997,0723:30:00,27 ,       0,202.3719, 28.3122,51.22986