datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,17 ,       0,91.77701,13.22303,21.72529
sgpcmbeC1.c1,2001,05 1:30:00,17 ,       0,243.3472,36.81496,70.77206
sgpcmbeC1.c1,2001,05 2:30:00,17 ,0.115267,226.4028,31.04471,62.06056
sgpcmbeC1.c1,2001,05 3:30:00,17 ,0.017835,313.2041, 34.2147,77.18015
sgpcmbeC1.c1,2001,05 4:30:00,16 ,0.155623,292.2143,52.42498, 97.7037
sgpcmbeC1.c1,2001,05 5:30:00,16 , 0.00198,252.5799,23.77715,62.17305
sgpcmbeC1.c1,2001,05 6:30:00,16 ,       0,115.7851,13.69254,29.08544
sgpcmbeC1.c1,2001,05 7:30:00,15 ,0.005707,171.2616,23.57706,51.45541
sgpcmbeC1.c1,2001,05 8:30:00,18 ,       0,531.1119,58.25797,132.1917
sgpcmbeC1.c1,2001,05 9:30:00,19 ,0.023808,552.7261,64.32252,145.3684
sgpcmbeC1.c1,2001,0510:30:00,19 ,0.006698,  507.37,62.06131, 134.551
sgpcmbeC1.c1,2001,0511:30:00,19 ,0.048049,379.1878,44.81706,89.57929
sgpcmbeC1.c1,2001,0512:30:00,19 ,0.015184,283.0959,48.51003,78.21583
sgpcmbeC1.c1,2001,0513:30:00,19 , 0.02287,259.0116,53.79642,79.14394
sgpcmbeC1.c1,2001,0514:30:00,19 ,0.015322,277.5879,48.29001,79.60238
sgpcmbeC1.c1,2001,0515:30:00,19 ,0.073941,982.2985,77.89987,221.4591
sgpcmbeC1.c1,2001,0516:30:00,18 ,0.023649,179.3783, 26.4094,44.33555
sgpcmbeC1.c1,2001,0517:30:00,18 ,0.065572,102.4144,  18.224,25.79157
sgpcmbeC1.c1,2001,0518:30:00,19 ,0.000162,456.6017,51.92941,111.0204
sgpcmbeC1.c1,2001,0519:30:00,17 ,0.899112,191.2194,21.69546,44.32268
sgpcmbeC1.c1,2001,0520:30:00,17 ,0.114739,66.73004,16.54677,19.54707
sgpcmbeC1.c1,2001,0521:30:00,17 ,       0,72.53858, 15.9485,18.11973
sgpcmbeC1.c1,2001,0522:30:00,17 ,       0,176.6002,26.95723,44.97549
sgpcmbeC1.c1,2001,0523:30:00,17 ,       0,80.11951,11.56458,18.62909