datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,07 0:30:00,28 ,       0,850.6192,92.12961,221.4506
sgpcmbeC1.c1,2004,07 1:30:00,28 ,       0,680.3347,82.52579,166.0742
sgpcmbeC1.c1,2004,07 2:30:00,28 ,       0,738.4517,124.4724, 222.591
sgpcmbeC1.c1,2004,07 3:30:00,27 ,       0,607.3572,87.59866,162.3568
sgpcmbeC1.c1,2004,07 4:30:00,27 ,       0,423.4193,83.50235,131.2707
sgpcmbeC1.c1,2004,07 5:30:00,27 ,       0,659.2841,76.04182,149.0986
sgpcmbeC1.c1,2004,07 6:30:00,28 ,       0,658.5364,81.10713,160.3263
sgpcmbeC1.c1,2004,07 7:30:00,29 ,       0,958.2302,103.1569,211.1199
sgpcmbeC1.c1,2004,07 8:30:00,27 ,       0,454.5773,44.05762,98.99811
sgpcmbeC1.c1,2004,07 9:30:00,28 ,       0,466.8011,56.71386,122.5067
sgpcmbeC1.c1,2004,0710:30:00,28 ,       0,200.2521,33.06835,55.07093
sgpcmbeC1.c1,2004,0711:30:00,28 ,       0,334.4873,26.10486,66.96955
sgpcmbeC1.c1,2004,0712:30:00,28 ,       0,221.1544,23.49496,54.66396
sgpcmbeC1.c1,2004,0713:30:00,28 ,       0,209.9224,28.84675,57.84239
sgpcmbeC1.c1,2004,0714:30:00,28 ,       0,230.1759,33.19062,64.25292
sgpcmbeC1.c1,2004,0715:30:00,27 ,       0,249.7928,19.26883,52.36583
sgpcmbeC1.c1,2004,0716:30:00,27 ,       0,287.8102,29.30418,69.05256
sgpcmbeC1.c1,2004,0717:30:00,28 ,       0,1085.316,79.57321,232.6909
sgpcmbeC1.c1,2004,0718:30:00,27 ,       0,911.8453,62.38465,186.8819
sgpcmbeC1.c1,2004,0719:30:00,28 ,       0,992.8133,100.0441,254.6266
sgpcmbeC1.c1,2004,0720:30:00,28 ,       0,1269.218,96.46158,268.8301
sgpcmbeC1.c1,2004,0721:30:00,28 ,       0,1358.944,97.51443,285.3358
sgpcmbeC1.c1,2004,0722:30:00,28 ,       0,1242.084,91.35852,245.5471
sgpcmbeC1.c1,2004,0723:30:00,28 ,       0,950.0245,71.70535,188.2654