datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,07 0:30:00,30 ,       0,0.626748,0.086812,0.200359
twpcmbeC2.c1,2006,07 1:30:00,31 ,       0,0.688997,0.097689,0.206765
twpcmbeC2.c1,2006,07 2:30:00,31 ,       0,0.468014,0.031511,  0.1071
twpcmbeC2.c1,2006,07 3:30:00,31 ,       0,0.173952,0.010807,0.036496
twpcmbeC2.c1,2006,07 4:30:00,31 ,       0,0.238872,0.007706,0.042903
twpcmbeC2.c1,2006,07 5:30:00,31 ,       0,0.166293,0.005364,0.029867
twpcmbeC2.c1,2006,07 6:30:00,31 ,       0,2.650552,1.415591,0.551813
twpcmbeC2.c1,2006,07 7:30:00,31 , 2.86967,65.45477,38.71802,20.27451
twpcmbeC2.c1,2006,07 8:30:00,31 ,28.20802,162.8476,90.91568,32.98378
twpcmbeC2.c1,2006,07 9:30:00,31 ,18.56377,230.5585,113.9864,50.07079
twpcmbeC2.c1,2006,0710:30:00,31 ,22.36879,295.7347,143.5984,66.15756
twpcmbeC2.c1,2006,0711:30:00,31 ,  24.887, 344.205, 165.644,93.38814
twpcmbeC2.c1,2006,0712:30:00,31 ,22.43965,366.4541,183.4332,89.56751
twpcmbeC2.c1,2006,0713:30:00,31 ,24.75394,436.7766,184.3272,89.18382
twpcmbeC2.c1,2006,0714:30:00,31 ,40.35534,420.7824,194.0043,105.9454
twpcmbeC2.c1,2006,0715:30:00,31 ,18.26113,296.5926,142.3161,80.76613
twpcmbeC2.c1,2006,0716:30:00,31 ,16.69093,232.2766,122.1131,57.29073
twpcmbeC2.c1,2006,0717:30:00,31 ,9.727893,185.8699,82.37512,40.07055
twpcmbeC2.c1,2006,0718:30:00,31 ,8.271474,78.63573,41.80845,18.26566
twpcmbeC2.c1,2006,0719:30:00,31 ,0.174197,2.275899,0.992722,0.377979
twpcmbeC2.c1,2006,0720:30:00,31 ,       0,0.388317,0.043495,0.101479
twpcmbeC2.c1,2006,0721:30:00,31 ,       0,0.403495, 0.05253,0.124748
twpcmbeC2.c1,2006,0722:30:00,31 ,       0,0.109407,0.003529, 0.01965
twpcmbeC2.c1,2006,0723:30:00,31 ,       0,0.368069,0.023212,0.089876