datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,09 0:30:00,26 ,1.164941,5.292818,3.555804,1.184137
sgpcmbeC1.c1,1997,09 1:30:00,26 ,1.166949,5.283067,3.545058,1.175775
sgpcmbeC1.c1,1997,09 2:30:00,26 ,1.226594,   5.311,3.587919,1.184232
sgpcmbeC1.c1,1997,09 3:30:00,26 ,1.225057,5.291989,3.642081,1.179734
sgpcmbeC1.c1,1997,09 4:30:00,25 ,1.185454,5.371264, 3.60099,1.162261
sgpcmbeC1.c1,1997,09 5:30:00,26 ,1.202525,5.436603,3.576874,1.119746
sgpcmbeC1.c1,1997,09 6:30:00,26 , 1.25342,5.420421, 3.53297,1.131035
sgpcmbeC1.c1,1997,09 7:30:00,26 ,1.308626,5.197964,3.495468,1.097247
sgpcmbeC1.c1,1997,09 8:30:00,26 ,1.321232,5.036485,3.458206,1.135379
sgpcmbeC1.c1,1997,09 9:30:00,26 ,1.323365,4.959411, 3.47405,1.153124
sgpcmbeC1.c1,1997,0910:30:00,26 , 1.31325,5.214011,3.545661,1.189369
sgpcmbeC1.c1,1997,0911:30:00,27 ,1.410865,5.160013,3.582817, 1.19834
sgpcmbeC1.c1,1997,0912:30:00,26 ,1.488081, 4.94919,3.505109,1.215341
sgpcmbeC1.c1,1997,0913:30:00,24 , 1.51591,4.942172,3.409188,1.234973
sgpcmbeC1.c1,1997,0914:30:00,24 ,1.526971,  4.8971,3.390828,1.215284
sgpcmbeC1.c1,1997,0915:30:00,23 ,1.439928,4.915087,3.336576,1.226748
sgpcmbeC1.c1,1997,0916:30:00,25 ,1.428617,4.887341, 3.41019,1.237999
sgpcmbeC1.c1,1997,0917:30:00,27 ,1.414709,4.938716,3.489814,1.231991
sgpcmbeC1.c1,1997,0918:30:00,27 ,1.274213,5.058197,3.455514,1.198969
sgpcmbeC1.c1,1997,0919:30:00,27 ,1.212586,5.081386,3.464288,1.214824
sgpcmbeC1.c1,1997,0920:30:00,26 ,1.179235,5.188184,3.467303,1.268502
sgpcmbeC1.c1,1997,0921:30:00,26 ,1.114868, 5.22666,3.454947,1.244732
sgpcmbeC1.c1,1997,0922:30:00,26 ,1.106116,5.493876,3.462885,1.287096
sgpcmbeC1.c1,1997,0923:30:00,26 ,1.148393,5.272928,3.438604,1.259537