datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,07 0:30:00,29 ,0.020937,0.113172,0.052407,0.027592
sgpcmbeC1.c1,2002,07 1:30:00,30 ,0.018154,0.235696,0.060681,0.046187
sgpcmbeC1.c1,2002,07 2:30:00,30 ,0.016029,0.246164,0.055889,0.049218
sgpcmbeC1.c1,2002,07 3:30:00,30 ,0.017502,0.179442,0.054529,0.039497
sgpcmbeC1.c1,2002,07 4:30:00,31 ,0.019493, 0.18413,0.054198,0.041498
sgpcmbeC1.c1,2002,07 5:30:00,31 ,0.015598,0.228179,0.052383, 0.04346
sgpcmbeC1.c1,2002,07 6:30:00,30 ,0.018497,0.145095,0.047367,0.033611
sgpcmbeC1.c1,2002,07 7:30:00,31 ,0.017074,0.195798,0.047181,0.035364
sgpcmbeC1.c1,2002,07 8:30:00,31 ,0.017401,0.223344,0.050086,0.043602
sgpcmbeC1.c1,2002,07 9:30:00,31 ,0.025285,0.158485,0.047683,0.027196
sgpcmbeC1.c1,2002,0710:30:00,31 ,0.018443,0.299143,0.060035,0.053197
sgpcmbeC1.c1,2002,0711:30:00,30 ,0.031446,0.116232, 0.06701,0.026912
sgpcmbeC1.c1,2002,0712:30:00,30 ,0.025934, 0.14965,0.079177,0.038609
sgpcmbeC1.c1,2002,0713:30:00,30 ,0.030979,0.169857,0.086948, 0.04114
sgpcmbeC1.c1,2002,0714:30:00,30 ,0.028479,0.172966,  0.0793,0.037732
sgpcmbeC1.c1,2002,0715:30:00,31 , 0.04621,0.249966,0.102318,0.043216
sgpcmbeC1.c1,2002,0716:30:00,31 ,0.034575,0.236918,0.080914,0.040192
sgpcmbeC1.c1,2002,0717:30:00,31 ,0.029375,0.230089,0.084195,0.048186
sgpcmbeC1.c1,2002,0718:30:00,30 ,0.027364,0.157902,0.068127, 0.03776
sgpcmbeC1.c1,2002,0719:30:00,31 ,0.019324, 0.20234,0.061749,0.044406
sgpcmbeC1.c1,2002,0720:30:00,31 ,0.022395,0.163037,0.061462,0.035983
sgpcmbeC1.c1,2002,0721:30:00,31 ,0.019756,0.164361,0.059759, 0.03034
sgpcmbeC1.c1,2002,0722:30:00,31 ,0.022442,0.152396,0.050952,0.024287
sgpcmbeC1.c1,2002,0723:30:00,30 ,0.018175,0.094813,0.047025,0.020366