datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,29 , 0.01646,0.173932,0.060903,0.035123
sgpcmbeC1.c1,2004,08 1:30:00,29 ,0.019622,0.193702,0.049829,0.039412
sgpcmbeC1.c1,2004,08 2:30:00,29 ,0.017783,0.129901,0.045643,0.027285
sgpcmbeC1.c1,2004,08 3:30:00,27 ,0.017842,0.140236,0.041146, 0.02577
sgpcmbeC1.c1,2004,08 4:30:00,28 ,0.015622,0.192746,0.053305,0.044366
sgpcmbeC1.c1,2004,08 5:30:00,27 ,0.016255,0.174542,0.057333,0.036599
sgpcmbeC1.c1,2004,08 6:30:00,28 ,0.015364,0.175009,0.051008,0.035818
sgpcmbeC1.c1,2004,08 7:30:00,31 ,0.012475,0.103312,0.042106,0.022547
sgpcmbeC1.c1,2004,08 8:30:00,30 ,0.019358, 0.18563,0.065511,0.046723
sgpcmbeC1.c1,2004,08 9:30:00,30 , 0.01756,0.168233,0.055358,0.039454
sgpcmbeC1.c1,2004,0810:30:00,30 ,0.022074,0.268222,0.063994,0.050442
sgpcmbeC1.c1,2004,0811:30:00,30 ,  0.0234,0.140939,0.058396,0.029392
sgpcmbeC1.c1,2004,0812:30:00,30 ,0.023575, 0.30623,0.079422,0.059329
sgpcmbeC1.c1,2004,0813:30:00,31 ,0.028601,0.255864,0.081702,0.050221
sgpcmbeC1.c1,2004,0814:30:00,30 ,0.031957,0.183145,0.085041,0.043574
sgpcmbeC1.c1,2004,0815:30:00,30 ,0.037285,0.183762,0.076152,0.030264
sgpcmbeC1.c1,2004,0816:30:00,30 ,0.030374,0.118667,0.067024,0.023987
sgpcmbeC1.c1,2004,0817:30:00,30 ,0.024738,0.141997,0.056604,0.027527
sgpcmbeC1.c1,2004,0818:30:00,29 ,0.019212, 0.24627,0.051922,0.043413
sgpcmbeC1.c1,2004,0819:30:00,29 ,0.016768,0.206201,0.058657,0.039964
sgpcmbeC1.c1,2004,0820:30:00,28 ,0.017434,0.434388,0.053886, 0.07697
sgpcmbeC1.c1,2004,0821:30:00,29 ,0.017342,0.155962,0.046636,0.031663
sgpcmbeC1.c1,2004,0822:30:00,29 ,0.019831, 0.17414,0.054947,0.041763
sgpcmbeC1.c1,2004,0823:30:00,29 ,0.014876,0.159665,0.046208,0.030434