datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,07 0:30:00,30 ,0.019099,0.308211,0.056745,0.058329
sgpcmbeC1.c1,2003,07 1:30:00,30 ,0.022444,0.097166,0.045143,0.020724
sgpcmbeC1.c1,2003,07 2:30:00,30 ,0.019971,0.190922, 0.05424,0.041265
sgpcmbeC1.c1,2003,07 3:30:00,30 ,0.022959,0.155903, 0.05849,0.033062
sgpcmbeC1.c1,2003,07 4:30:00,29 ,0.022194,0.146475,0.045003,0.026608
sgpcmbeC1.c1,2003,07 5:30:00,29 ,0.021004, 0.17893,0.056999,0.037423
sgpcmbeC1.c1,2003,07 6:30:00,29 ,0.022349,0.291924,0.061255,0.064713
sgpcmbeC1.c1,2003,07 7:30:00,28 ,  0.0208,0.234837,0.048805,0.045939
sgpcmbeC1.c1,2003,07 8:30:00,29 ,0.018199,0.157211,0.046734,  0.0316
sgpcmbeC1.c1,2003,07 9:30:00,30 ,0.023836,0.110863, 0.04881,0.023755
sgpcmbeC1.c1,2003,0710:30:00,30 ,0.027956,0.259261,0.069769,0.044939
sgpcmbeC1.c1,2003,0711:30:00,30 ,0.027655,0.135428,0.073471,0.029918
sgpcmbeC1.c1,2003,0712:30:00,30 ,0.029253,0.159992,0.078112,0.033828
sgpcmbeC1.c1,2003,0713:30:00,30 ,0.033634,0.210645,0.092825, 0.04133
sgpcmbeC1.c1,2003,0714:30:00,30 ,0.036343,0.191229,0.094145,0.032008
sgpcmbeC1.c1,2003,0715:30:00,30 ,0.038359,  0.2316,0.093523,0.041036
sgpcmbeC1.c1,2003,0716:30:00,30 , 0.03866, 0.27642,0.091949, 0.05351
sgpcmbeC1.c1,2003,0717:30:00,30 , 0.03727,0.125444,0.071576,0.021955
sgpcmbeC1.c1,2003,0718:30:00,30 ,0.031597,0.143385,0.065002,0.028367
sgpcmbeC1.c1,2003,0719:30:00,30 ,0.029708,0.217053,0.067961,0.047069
sgpcmbeC1.c1,2003,0720:30:00,30 ,0.026486,0.190814,0.066887,0.044218
sgpcmbeC1.c1,2003,0721:30:00,30 ,0.024399,0.220604,0.061256,0.042477
sgpcmbeC1.c1,2003,0722:30:00,30 ,0.017911,0.234897,0.050937,0.038745
sgpcmbeC1.c1,2003,0723:30:00,30 ,0.022419, 0.15215,  0.0503,0.029222