datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,04 0:30:00,29 ,0.013047,0.434119,0.069596,0.089119
sgpcmbeC1.c1,2005,04 1:30:00,30 ,0.015682,0.299618,0.060451,0.071318
sgpcmbeC1.c1,2005,04 2:30:00,29 ,0.013425,0.416942,0.051656,0.074946
sgpcmbeC1.c1,2005,04 3:30:00,29 ,0.012477,0.106789,0.035119,0.024744
sgpcmbeC1.c1,2005,04 4:30:00,30 ,0.011814, 0.21738,0.045639,0.048875
sgpcmbeC1.c1,2005,04 5:30:00,29 ,0.011362,0.140745,0.040842,0.034251
sgpcmbeC1.c1,2005,04 6:30:00,29 , 0.01362,0.180993,0.042463,0.038305
sgpcmbeC1.c1,2005,04 7:30:00,29 ,0.012456,0.238802,0.043287,0.044781
sgpcmbeC1.c1,2005,04 8:30:00,29 ,0.012371,0.273815,0.042572,0.053075
sgpcmbeC1.c1,2005,04 9:30:00,29 ,0.012603,0.113168,0.038555, 0.02564
sgpcmbeC1.c1,2005,0410:30:00,30 ,0.012271,0.173174,0.044582,0.036712
sgpcmbeC1.c1,2005,0411:30:00,30 ,0.017379,0.282029, 0.05308,0.053412
sgpcmbeC1.c1,2005,0412:30:00,30 ,0.021313,0.129158,0.049702,0.028305
sgpcmbeC1.c1,2005,0413:30:00,29 ,0.015842,0.119994,0.050631,0.029853
sgpcmbeC1.c1,2005,0414:30:00,30 , 0.01388,0.153884,0.047852,0.028459
sgpcmbeC1.c1,2005,0415:30:00,30 ,0.017194,0.177294,0.052926,0.037628
sgpcmbeC1.c1,2005,0416:30:00,30 ,0.018872,0.701246,0.069883, 0.12248
sgpcmbeC1.c1,2005,0417:30:00,30 ,0.016785,0.106774,0.041734,0.021822
sgpcmbeC1.c1,2005,0418:30:00,30 , 0.01448,0.183257,0.042693,0.037271
sgpcmbeC1.c1,2005,0419:30:00,30 ,0.014448,0.379103,0.044041,0.065225
sgpcmbeC1.c1,2005,0420:30:00,30 ,0.010937,0.207575,0.046478,0.047537
sgpcmbeC1.c1,2005,0421:30:00,30 ,0.012685,0.310568, 0.05816,0.066406
sgpcmbeC1.c1,2005,0422:30:00,30 ,0.011693,0.280278,0.062823,0.066739
sgpcmbeC1.c1,2005,0423:30:00,29 ,0.013068,0.219262,  0.0572,0.054857