datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,07 0:30:00,24 ,       0,57.50865,7.800789,14.18577
sgpcmbeC1.c1,2003,07 1:30:00,25 ,       0,95.98128,8.931945,21.54205
sgpcmbeC1.c1,2003,07 2:30:00,23 ,       0,21.82344,4.895823,7.066324
sgpcmbeC1.c1,2003,07 3:30:00,25 ,       0,156.4184,11.93738,32.67792
sgpcmbeC1.c1,2003,07 4:30:00,24 ,       0,42.20398, 5.90618,10.04686
sgpcmbeC1.c1,2003,07 5:30:00,23 ,       0,231.9605,15.05217,47.88616
sgpcmbeC1.c1,2003,07 6:30:00,23 ,       0,356.9908,19.47893,73.80945
sgpcmbeC1.c1,2003,07 7:30:00,22 ,       0,14.74266, 3.22529,4.612108
sgpcmbeC1.c1,2003,07 8:30:00,24 ,       0,163.0432,11.81813,34.26757
sgpcmbeC1.c1,2003,07 9:30:00,25 ,       0,25.75531,4.769019,6.671771
sgpcmbeC1.c1,2003,0710:30:00,25 ,       0,79.03053,7.133847,16.50089
sgpcmbeC1.c1,2003,0711:30:00,25 ,       0,64.57104,6.287316,14.56349
sgpcmbeC1.c1,2003,0712:30:00,25 ,       0,42.67651,4.996503, 9.12141
sgpcmbeC1.c1,2003,0713:30:00,25 ,       0,114.3717,8.404083,22.99563
sgpcmbeC1.c1,2003,0714:30:00,25 ,       0,41.40984,7.014152, 10.7122
sgpcmbeC1.c1,2003,0715:30:00,25 ,       0,236.4282,13.10185,46.79501
sgpcmbeC1.c1,2003,0716:30:00,24 ,       0,42.15366,7.528644, 12.9838
sgpcmbeC1.c1,2003,0717:30:00,23 ,       0,24.71628,3.614726,6.184846
sgpcmbeC1.c1,2003,0718:30:00,23 ,       0,13.66125,3.455172,4.558195
sgpcmbeC1.c1,2003,0719:30:00,24 ,       0,16.60654,3.339415,4.835824
sgpcmbeC1.c1,2003,0720:30:00,24 ,       0,88.24562, 6.45586,17.92134
sgpcmbeC1.c1,2003,0721:30:00,23 ,       0,14.70293,2.810289,4.538294
sgpcmbeC1.c1,2003,0722:30:00,24 ,       0,16.67511,3.278834,5.001083
sgpcmbeC1.c1,2003,0723:30:00,25 ,       0,30.94568,4.137434,8.041398