datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2005,05 0:30:00,31 ,       0,8.651548,0.318302,1.549511
nsacmbeC1.c1,2005,05 1:30:00,31 ,       0,5.193746,0.194995,0.930194
nsacmbeC1.c1,2005,05 2:30:00,31 ,       0,2.868383,0.143567,0.522989
nsacmbeC1.c1,2005,05 3:30:00,31 ,       0, 4.33686,0.276107,0.830073
nsacmbeC1.c1,2005,05 4:30:00,31 ,       0,16.75123,1.381988,3.948464
nsacmbeC1.c1,2005,05 5:30:00,31 ,       0,16.27872,2.314849,4.718798
nsacmbeC1.c1,2005,05 6:30:00,31 ,       0,40.36551, 6.04988,11.42134
nsacmbeC1.c1,2005,05 7:30:00,31 ,0.044547,64.41949,9.504006,15.89697
nsacmbeC1.c1,2005,05 8:30:00,31 ,       0,48.15123,13.49456,17.47081
nsacmbeC1.c1,2005,05 9:30:00,31 ,0.060462,115.0854,15.77543,24.29437
nsacmbeC1.c1,2005,0510:30:00,31 ,0.328109,179.6127,29.74151, 43.7442
nsacmbeC1.c1,2005,0511:30:00,31 ,0.120478,130.3243,20.99962,36.43112
nsacmbeC1.c1,2005,0512:30:00,31 ,0.315677,161.3911,26.18738,45.70639
nsacmbeC1.c1,2005,0513:30:00,31 ,0.244755,112.6224,16.91234,26.40927
nsacmbeC1.c1,2005,0514:30:00,31 ,  0.4776,207.8891,30.26307, 50.9572
nsacmbeC1.c1,2005,0515:30:00,31 ,0.393703,110.7844,19.27926,25.73846
nsacmbeC1.c1,2005,0516:30:00,31 ,  0.2125,187.4259,24.38544,41.74368
nsacmbeC1.c1,2005,0517:30:00,31 ,0.177841,99.75903,12.09902,20.48754
nsacmbeC1.c1,2005,0518:30:00,31 ,0.124468,95.70435,13.47476,21.89354
nsacmbeC1.c1,2005,0519:30:00,31 ,0.083115,55.19595, 9.33144,15.27321
nsacmbeC1.c1,2005,0520:30:00,31 ,0.025358,88.05978,9.315681,19.36091
nsacmbeC1.c1,2005,0521:30:00,31 ,0.010789,16.74083,2.576118,5.485771
nsacmbeC1.c1,2005,0522:30:00,31 ,0.002822,10.87968,1.126751,2.553914
nsacmbeC1.c1,2005,0523:30:00,31 ,0.001983,6.082743,0.579724, 1.41558