datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,30 ,       0,2.669971,0.983476,0.834629
sgpcmbeC1.c1,2001,04 1:30:00,29 ,       0,3.010351,1.043215, 0.85218
sgpcmbeC1.c1,2001,04 2:30:00,30 ,       0, 2.91526,0.926098,0.808956
sgpcmbeC1.c1,2001,04 3:30:00,30 ,       0,2.781415,0.849807,0.835555
sgpcmbeC1.c1,2001,04 4:30:00,30 ,       0,2.511824,0.831924, 0.82971
sgpcmbeC1.c1,2001,04 5:30:00,30 ,       0,4.171914,1.356102,1.280997
sgpcmbeC1.c1,2001,04 6:30:00,30 ,3.197123,103.4732,48.75063,30.58287
sgpcmbeC1.c1,2001,04 7:30:00,30 ,11.60898,303.4189,178.8281,96.08295
sgpcmbeC1.c1,2001,04 8:30:00,30 ,32.98556,513.9677, 331.456,175.4677
sgpcmbeC1.c1,2001,04 9:30:00,30 , 33.8316, 699.721,456.4365,249.6985
sgpcmbeC1.c1,2001,0410:30:00,30 ,48.30121, 849.704,546.0437,292.2573
sgpcmbeC1.c1,2001,0411:30:00,30 ,125.7305,949.0998,614.0841,311.1042
sgpcmbeC1.c1,2001,0412:30:00,30 ,127.2232,981.5356,625.6962,306.7758
sgpcmbeC1.c1,2001,0413:30:00,30 ,107.7068,945.0002,617.8988,264.3754
sgpcmbeC1.c1,2001,0414:30:00,30 ,81.86514,850.5516,  594.45,228.6212
sgpcmbeC1.c1,2001,0415:30:00,30 ,112.3417,699.5395,524.9269,161.2358
sgpcmbeC1.c1,2001,0416:30:00,30 ,84.33504,507.2745, 357.394,129.8954
sgpcmbeC1.c1,2001,0417:30:00,30 ,54.87032,289.6078,202.6566,70.08269
sgpcmbeC1.c1,2001,0418:30:00,30 ,10.96178,87.56857,51.64985,24.18081
sgpcmbeC1.c1,2001,0419:30:00,29 ,       0,2.989122,1.304175,1.012172
sgpcmbeC1.c1,2001,0420:30:00,28 ,       0,2.683284,0.871917,0.897332
sgpcmbeC1.c1,2001,0421:30:00,29 ,       0,2.389596,0.788828,0.814588
sgpcmbeC1.c1,2001,0422:30:00,30 ,       0,3.038381,0.849479,0.886738
sgpcmbeC1.c1,2001,0423:30:00,30 ,       0, 3.05339,0.883313,0.880815