datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,07 0:30:00,31 ,       0,0.445442,0.033763,0.100265
twpcmbeC1.c1,2004,07 1:30:00,30 ,       0, 0.39419,0.058038,0.113826
twpcmbeC1.c1,2004,07 2:30:00,31 ,       0,0.369588,0.038338,0.094916
twpcmbeC1.c1,2004,07 3:30:00,31 ,       0,0.321194,0.016012,0.064783
twpcmbeC1.c1,2004,07 4:30:00,31 ,       0,0.077445,0.002498, 0.01391
twpcmbeC1.c1,2004,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 6:30:00,31 ,       0,16.86735,2.310056,4.462743
twpcmbeC1.c1,2004,07 7:30:00,31 ,0.031774,87.82999,29.33976, 32.0472
twpcmbeC1.c1,2004,07 8:30:00,31 ,0.123021,174.3538,60.54585,54.68141
twpcmbeC1.c1,2004,07 9:30:00,31 ,0.195246,235.7861,91.81394,72.88634
twpcmbeC1.c1,2004,0710:30:00,31 ,0.313843,307.1771,101.5503,95.10891
twpcmbeC1.c1,2004,0711:30:00,31 ,0.621266,319.5575,114.1384,110.7928
twpcmbeC1.c1,2004,0712:30:00,31 ,0.479038, 275.438,115.0099,102.6671
twpcmbeC1.c1,2004,0713:30:00,31 ,0.060906,318.3164,113.0353,95.31008
twpcmbeC1.c1,2004,0714:30:00,31 ,0.043148,301.9737,92.67765,78.52024
twpcmbeC1.c1,2004,0715:30:00,31 ,0.174543, 215.976, 79.7254,66.02126
twpcmbeC1.c1,2004,0716:30:00,31 ,0.044056,124.6381,39.13307,42.30656
twpcmbeC1.c1,2004,0717:30:00,31 ,       0,51.08845,13.04255,17.35376
twpcmbeC1.c1,2004,0718:30:00,31 ,       0,1.292494,0.181868,0.387714
twpcmbeC1.c1,2004,0719:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0720:30:00,31 ,       0,0.227572,0.007341,0.040873
twpcmbeC1.c1,2004,0721:30:00,31 ,       0,0.160134,0.005166,0.028761
twpcmbeC1.c1,2004,0722:30:00,31 ,       0,0.374479, 0.01208,0.067258
twpcmbeC1.c1,2004,0723:30:00,31 ,       0,0.256592,0.025324, 0.06555