datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 5:30:00,31 ,       0,1.428953,0.314398,0.403083
sgpcmbeC1.c1,2003,08 6:30:00,31 ,0.565095,35.53093,17.46224,9.132361
sgpcmbeC1.c1,2003,08 7:30:00,31 ,3.484909,80.39561,55.82194,22.20214
sgpcmbeC1.c1,2003,08 8:30:00,31 ,7.115787,125.4654,96.77723,32.46645
sgpcmbeC1.c1,2003,08 9:30:00,31 , 14.4971,154.0718, 122.895,45.91011
sgpcmbeC1.c1,2003,0810:30:00,31 ,13.46585, 185.382, 149.918,44.85559
sgpcmbeC1.c1,2003,0811:30:00,31 ,29.15059,204.8675,157.4414,52.50026
sgpcmbeC1.c1,2003,0812:30:00,31 ,33.14043, 209.671,159.5356,51.70144
sgpcmbeC1.c1,2003,0813:30:00,31 ,27.23226,202.1772,155.5509,45.45725
sgpcmbeC1.c1,2003,0814:30:00,31 ,11.51382,188.0296,136.3589,43.92882
sgpcmbeC1.c1,2003,0815:30:00,31 ,17.67995,160.7273,111.5484,39.60274
sgpcmbeC1.c1,2003,0816:30:00,31 ,3.573226,125.1145,89.43612,34.28366
sgpcmbeC1.c1,2003,0817:30:00,31 ,4.680278,84.46419,58.38498,25.71804
sgpcmbeC1.c1,2003,0818:30:00,31 ,0.996944,39.96608,22.69879,11.07369
sgpcmbeC1.c1,2003,0819:30:00,29 ,       0,4.385931,0.920772,1.041548
sgpcmbeC1.c1,2003,0820:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0821:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0823:30:00,31 ,       0,       0,       0,       0