datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,05 0:30:00,29 ,0.008551,0.306189,0.076262,0.068247
sgpcmbeC1.c1,2002,05 1:30:00,25 ,0.017147,0.173952,0.059587,0.042608
sgpcmbeC1.c1,2002,05 2:30:00,25 ,0.010331,0.293532,0.070806,0.069921
sgpcmbeC1.c1,2002,05 3:30:00,24 ,0.004413,0.460964,0.064088,  0.0887
sgpcmbeC1.c1,2002,05 4:30:00,24 ,0.012528,0.232365,0.055762,  0.0489
sgpcmbeC1.c1,2002,05 5:30:00,24 ,0.011597,0.217066,0.058965,0.046633
sgpcmbeC1.c1,2002,05 6:30:00,25 ,0.013374, 0.16287,0.060822,0.043235
sgpcmbeC1.c1,2002,05 7:30:00,26 ,0.014329,0.209797,0.068487,0.055603
sgpcmbeC1.c1,2002,05 8:30:00,27 ,0.017074,0.169522,0.056378,0.040911
sgpcmbeC1.c1,2002,05 9:30:00,30 ,0.014685, 0.19255,0.059583,0.043763
sgpcmbeC1.c1,2002,0510:30:00,31 ,0.020744,0.227024,0.053515,0.039589
sgpcmbeC1.c1,2002,0511:30:00,31 , 0.01441,0.237541,0.064298,0.046892
sgpcmbeC1.c1,2002,0512:30:00,31 , 0.01788,0.509247,0.084966,0.116757
sgpcmbeC1.c1,2002,0513:30:00,31 ,0.021177,0.371496,0.084911,0.069585
sgpcmbeC1.c1,2002,0514:30:00,30 ,0.022445,0.221493,0.072489, 0.05101
sgpcmbeC1.c1,2002,0515:30:00,30 ,0.018994,0.295138,0.068206,0.051769
sgpcmbeC1.c1,2002,0516:30:00,31 ,0.023902,0.214134,0.066629, 0.04303
sgpcmbeC1.c1,2002,0517:30:00,31 ,0.016363,0.192188,0.058978,0.041826
sgpcmbeC1.c1,2002,0518:30:00,31 ,0.013822,0.242554, 0.05669,0.059741
sgpcmbeC1.c1,2002,0519:30:00,31 ,0.015821,0.347589,  0.0604,0.067424
sgpcmbeC1.c1,2002,0520:30:00,30 ,0.011443,0.363462,0.061512,0.069061
sgpcmbeC1.c1,2002,0521:30:00,30 ,0.014458,0.191696, 0.05582,0.044712
sgpcmbeC1.c1,2002,0522:30:00,30 ,0.012558,0.269722,0.061589,0.061304
sgpcmbeC1.c1,2002,0523:30:00,30 ,0.015066,0.220657,0.062406,0.055197