datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,24 ,1.429246,5.370165,3.292125, 1.00338
sgpcmbeC1.c1,2004,06 1:30:00,25 ,1.434729,5.188374,3.394445,1.046413
sgpcmbeC1.c1,2004,06 2:30:00,25 ,1.456445,5.050631,3.443354,1.036325
sgpcmbeC1.c1,2004,06 3:30:00,23 ,1.404487,5.161192,3.355921,0.989234
sgpcmbeC1.c1,2004,06 4:30:00,22 ,1.330667,5.143556,3.301749,  0.9934
sgpcmbeC1.c1,2004,06 5:30:00,25 ,1.299742,  5.0783,3.386545,0.929911
sgpcmbeC1.c1,2004,06 6:30:00,25 ,1.250835,4.992473,3.383086,0.923461
sgpcmbeC1.c1,2004,06 7:30:00,23 ,1.257924,4.951673,3.319066,0.925318
sgpcmbeC1.c1,2004,06 8:30:00,25 ,1.269889,4.886601,3.309039,0.886265
sgpcmbeC1.c1,2004,06 9:30:00,24 ,1.255929,4.761374, 3.29455,0.915333
sgpcmbeC1.c1,2004,0610:30:00,25 , 1.29475,4.820466,3.314615,0.901505
sgpcmbeC1.c1,2004,0611:30:00,26 ,1.400218,5.421983,3.424257,1.015134
sgpcmbeC1.c1,2004,0612:30:00,26 ,1.442678,5.222005,3.365819,0.974306
sgpcmbeC1.c1,2004,0613:30:00,27 ,1.439066,5.516828,3.466809,0.996601
sgpcmbeC1.c1,2004,0614:30:00,27 ,1.499045,5.227287,3.416169,0.938315
sgpcmbeC1.c1,2004,0615:30:00,26 ,1.596618,4.579865,3.361241,0.799812
sgpcmbeC1.c1,2004,0616:30:00,26 ,1.673566,4.491538,3.373761, 0.77279
sgpcmbeC1.c1,2004,0617:30:00,26 ,1.694382,4.402829,3.375023,0.742947
sgpcmbeC1.c1,2004,0618:30:00,26 ,1.619745,4.501346,3.410173,0.769537
sgpcmbeC1.c1,2004,0619:30:00,26 ,1.563265,4.592038,3.430718,0.785282
sgpcmbeC1.c1,2004,0620:30:00,27 ,1.526308,6.261382,3.564566,0.992908
sgpcmbeC1.c1,2004,0621:30:00,26 ,1.535583,5.966166,3.522551,0.979565
sgpcmbeC1.c1,2004,0622:30:00,26 ,1.574787,5.694407,3.520142,0.956545
sgpcmbeC1.c1,2004,0623:30:00,25 ,1.541029,5.579456,3.492395,0.984575