datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,05 0:30:00,31 ,       0,0.188691,0.011749, 0.03957
sgpcmbeC1.c1,2003,05 1:30:00,31 ,       0,0.310126,0.012131,0.056173
sgpcmbeC1.c1,2003,05 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,05 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,05 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,05 5:30:00,31 ,0.072756,7.994494,3.253877,2.478604
sgpcmbeC1.c1,2003,05 6:30:00,31 ,0.385207,16.97253,8.666817,5.144917
sgpcmbeC1.c1,2003,05 7:30:00,31 ,0.073979,29.67554,11.13851,6.799425
sgpcmbeC1.c1,2003,05 8:30:00,31 , 2.14367,46.80239,13.43332,9.697495
sgpcmbeC1.c1,2003,05 9:30:00,31 ,3.197951,48.55375,17.83374,13.84924
sgpcmbeC1.c1,2003,0510:30:00,31 ,3.590163,56.77445,17.53753,14.21002
sgpcmbeC1.c1,2003,0511:30:00,31 ,1.247946,61.44299,17.24819,14.83376
sgpcmbeC1.c1,2003,0512:30:00,31 ,0.432667,45.14257, 14.3641,12.27316
sgpcmbeC1.c1,2003,0513:30:00,31 ,1.937341,67.73229,20.61681,20.51365
sgpcmbeC1.c1,2003,0514:30:00,31 ,3.687604,75.19851,21.18023,18.10022
sgpcmbeC1.c1,2003,0515:30:00,31 ,4.888107,52.24139,19.53364,13.02639
sgpcmbeC1.c1,2003,0516:30:00,31 ,2.750184,46.46298,17.16726,11.23741
sgpcmbeC1.c1,2003,0517:30:00,31 ,1.595452,30.06307, 15.0779,6.247005
sgpcmbeC1.c1,2003,0518:30:00,31 ,0.564936,18.03337,10.99939, 4.37216
sgpcmbeC1.c1,2003,0519:30:00,31 ,0.103583,12.52185,3.405968,2.406707
sgpcmbeC1.c1,2003,0520:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0521:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0522:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0523:30:00,31 ,       0, 0.08316,0.004192,0.016892