datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,28 ,       0,590.2585,44.40718,118.1331
sgpcmbeC1.c1,2006,05 1:30:00,28 ,       0,587.0841, 48.4912, 116.171
sgpcmbeC1.c1,2006,05 2:30:00,27 ,       0,140.9403,19.62341,40.22581
sgpcmbeC1.c1,2006,05 3:30:00,27 ,       0,377.0576,30.39936,79.66116
sgpcmbeC1.c1,2006,05 4:30:00,27 ,       0,270.6261,30.48622,64.40283
sgpcmbeC1.c1,2006,05 5:30:00,26 ,       0,396.5318, 32.9865, 82.4251
sgpcmbeC1.c1,2006,05 6:30:00,26 ,       0,328.6305,22.97461,65.02441
sgpcmbeC1.c1,2006,05 7:30:00,26 ,       0,222.7249,22.65839,54.74618
sgpcmbeC1.c1,2006,05 8:30:00,28 ,       0,194.5711,15.01665,38.56215
sgpcmbeC1.c1,2006,05 9:30:00,29 ,       0,194.3976,20.01119,42.65996
sgpcmbeC1.c1,2006,0510:30:00,29 ,       0,224.1028,21.32276,48.84411
sgpcmbeC1.c1,2006,0511:30:00,29 ,       0,156.6182,19.69662,38.30416
sgpcmbeC1.c1,2006,0512:30:00,30 ,       0,142.4494,23.75319,34.20225
sgpcmbeC1.c1,2006,0513:30:00,30 ,       0,127.2053,18.55772,29.28417
sgpcmbeC1.c1,2006,0514:30:00,30 ,       0,123.0233,19.86686,30.49183
sgpcmbeC1.c1,2006,0515:30:00,29 ,       0,130.3766,14.57648,26.49942
sgpcmbeC1.c1,2006,0516:30:00,30 ,       0,186.5107,17.92507,39.48244
sgpcmbeC1.c1,2006,0517:30:00,30 ,       0,205.4939,15.38575,39.50792
sgpcmbeC1.c1,2006,0518:30:00,30 ,       0, 132.054,12.46837,27.08235
sgpcmbeC1.c1,2006,0519:30:00,29 ,       0,245.3117,20.22945,52.94581
sgpcmbeC1.c1,2006,0520:30:00,28 ,       0,65.35817,8.565903,17.81294
sgpcmbeC1.c1,2006,0521:30:00,28 ,       0,150.2312,15.16979, 37.0088
sgpcmbeC1.c1,2006,0522:30:00,28 ,       0,71.06129,10.62401,20.81484
sgpcmbeC1.c1,2006,0523:30:00,28 ,       0,267.6773,20.51272,55.06696