datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,07 0:30:00,24 ,       0,218.3725,25.57893,55.54621
sgpcmbeC1.c1,1998,07 1:30:00,24 ,       0,137.8282,32.70758,49.15972
sgpcmbeC1.c1,1998,07 2:30:00,23 ,       0,166.5844,24.08073,46.96557
sgpcmbeC1.c1,1998,07 3:30:00,23 ,       0,207.9968,26.78168,54.60771
sgpcmbeC1.c1,1998,07 4:30:00,24 ,       0,212.7132,35.26984,63.11962
sgpcmbeC1.c1,1998,07 5:30:00,22 ,       0,233.6288,40.45137,66.50728
sgpcmbeC1.c1,1998,07 6:30:00,22 ,       0,201.9785,31.34811,52.63031
sgpcmbeC1.c1,1998,07 7:30:00,21 ,       0, 129.536,24.43737,44.97022
sgpcmbeC1.c1,1998,07 8:30:00,25 ,       0,246.1129,32.68725,67.15954
sgpcmbeC1.c1,1998,07 9:30:00,26 ,       0, 211.284,29.58288,60.02363
sgpcmbeC1.c1,1998,0710:30:00,26 ,       0,230.8606,22.14796,52.89657
sgpcmbeC1.c1,1998,0711:30:00,26 ,       0,216.9861,18.64671,44.78296
sgpcmbeC1.c1,1998,0712:30:00,27 ,       0,34.64584,7.240407,8.381243
sgpcmbeC1.c1,1998,0713:30:00,27 ,       0,23.31469,6.460162,6.340148
sgpcmbeC1.c1,1998,0714:30:00,27 ,       0,37.76099, 8.92131,9.827055
sgpcmbeC1.c1,1998,0715:30:00,27 ,       0,81.95812,11.66756,18.27207
sgpcmbeC1.c1,1998,0716:30:00,27 ,       0,182.3215,13.93685, 35.0442
sgpcmbeC1.c1,1998,0717:30:00,26 ,       0,128.4736,13.88782,27.14248
sgpcmbeC1.c1,1998,0718:30:00,26 ,       0,16.51145,4.083307,4.888179
sgpcmbeC1.c1,1998,0719:30:00,26 ,       0,10.89013,2.392208,2.665369
sgpcmbeC1.c1,1998,0720:30:00,26 ,       0,21.68282,2.732982,4.787553
sgpcmbeC1.c1,1998,0721:30:00,26 ,       0,199.4943,13.95044,40.59429
sgpcmbeC1.c1,1998,0722:30:00,25 ,       0,293.1371,16.35851,58.23522
sgpcmbeC1.c1,1998,0723:30:00,25 ,       0,102.3059,13.53304,24.94816