datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,28 ,0.017014,0.237847,0.074502,0.062169
sgpcmbeC1.c1,1999,05 1:30:00,27 ,0.014998,0.268018,0.077842,0.065544
sgpcmbeC1.c1,1999,05 2:30:00,27 ,0.016136,0.383554, 0.08653,0.081383
sgpcmbeC1.c1,1999,05 3:30:00,26 ,0.013706, 0.12871,0.055178,0.037293
sgpcmbeC1.c1,1999,05 4:30:00,24 ,  0.0143,0.195102, 0.06238,0.048754
sgpcmbeC1.c1,1999,05 5:30:00,24 ,0.011521,0.214734, 0.06431,0.055157
sgpcmbeC1.c1,1999,05 6:30:00,24 ,0.016689,0.358628,0.066922,0.074604
sgpcmbeC1.c1,1999,05 7:30:00,27 ,0.012356,0.235204,0.056027, 0.05689
sgpcmbeC1.c1,1999,05 8:30:00,27 ,0.015628,0.131685, 0.04207,0.028974
sgpcmbeC1.c1,1999,05 9:30:00,26 ,0.018983, 0.11798,0.052421,0.029258
sgpcmbeC1.c1,1999,0510:30:00,25 ,0.028574,0.118886,0.054479,0.023621
sgpcmbeC1.c1,1999,0511:30:00,25 ,0.020322,0.238819, 0.06306,0.049605
sgpcmbeC1.c1,1999,0512:30:00,25 ,0.024019,0.119313,0.055357,0.023182
sgpcmbeC1.c1,1999,0513:30:00,26 ,0.032687,0.194372,0.068122,0.032928
sgpcmbeC1.c1,1999,0514:30:00,26 ,0.023051,0.131226,0.064398, 0.02703
sgpcmbeC1.c1,1999,0515:30:00,27 ,0.024035,0.281656,0.077723,0.050007
sgpcmbeC1.c1,1999,0516:30:00,27 ,0.029718,0.238855,0.076065,0.042469
sgpcmbeC1.c1,1999,0517:30:00,27 ,0.015903,0.201807,0.059968,  0.0397
sgpcmbeC1.c1,1999,0518:30:00,29 ,0.017531,0.270855,0.063654,0.058393
sgpcmbeC1.c1,1999,0519:30:00,29 ,0.018543,0.243092,0.067686,0.056461
sgpcmbeC1.c1,1999,0520:30:00,29 ,0.012857,0.381239,0.068246,0.085417
sgpcmbeC1.c1,1999,0521:30:00,29 ,0.013161,0.288021,0.068778,0.071949
sgpcmbeC1.c1,1999,0522:30:00,27 ,0.016512,0.334985,0.058116,0.068723
sgpcmbeC1.c1,1999,0523:30:00,27 ,0.016009,0.296537,0.067541,0.070207