datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,06 0:30:00,30 ,       0,0.557725,0.062049,0.153683
twpcmbeC2.c1,2004,06 1:30:00,30 ,       0,0.419602,0.064069, 0.12338
twpcmbeC2.c1,2004,06 2:30:00,30 ,       0, 0.43745,0.070427,0.136425
twpcmbeC2.c1,2004,06 3:30:00,30 ,       0,0.399316,0.040836,0.095893
twpcmbeC2.c1,2004,06 4:30:00,30 ,       0,0.310327,0.052236,0.094075
twpcmbeC2.c1,2004,06 5:30:00,30 ,       0,0.119347,0.007137,0.027351
twpcmbeC2.c1,2004,06 6:30:00,30 ,       0,3.684325,1.680897, 1.19301
twpcmbeC2.c1,2004,06 7:30:00,30 , 0.23457,68.55052,35.78493,22.44491
twpcmbeC2.c1,2004,06 8:30:00,30 ,0.656811,163.1367,68.09071,38.96481
twpcmbeC2.c1,2004,06 9:30:00,30 , 1.65678,180.6413,96.83297,53.08503
twpcmbeC2.c1,2004,0610:30:00,30 ,1.749778,223.9395,124.0246,68.51693
twpcmbeC2.c1,2004,0611:30:00,30 ,2.928965,316.3978,146.0382,77.99706
twpcmbeC2.c1,2004,0612:30:00,30 ,6.840814,340.9863,150.2281,101.0803
twpcmbeC2.c1,2004,0613:30:00,30 ,9.302721,359.8892,150.4894,104.3241
twpcmbeC2.c1,2004,0614:30:00,30 ,5.196394,367.0799,149.8762,105.8343
twpcmbeC2.c1,2004,0615:30:00,30 , 9.15465,326.6746,127.8185,88.37007
twpcmbeC2.c1,2004,0616:30:00,30 ,3.066467,279.0432,95.16501,63.73013
twpcmbeC2.c1,2004,0617:30:00,30 ,5.153959,161.6517,58.44574,37.97688
twpcmbeC2.c1,2004,0618:30:00,30 ,  5.0707,65.35598,29.45868,17.32194
twpcmbeC2.c1,2004,0619:30:00,30 ,       0,1.447832,0.199456,0.296507
twpcmbeC2.c1,2004,0620:30:00,30 ,       0, 0.14458,0.010338,0.032948
twpcmbeC2.c1,2004,0621:30:00,30 ,       0,0.199446,0.016771,0.052615
twpcmbeC2.c1,2004,0622:30:00,30 ,       0,0.421772,0.050345,0.122938
twpcmbeC2.c1,2004,0623:30:00,30 ,       0,0.549234,0.056374,0.151021