datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,01 0:30:00,31 ,       0,0.821058,0.044587,0.152109
twpcmbeC1.c1,2003,01 1:30:00,31 ,       0, 0.57756,0.082837,0.164694
twpcmbeC1.c1,2003,01 2:30:00,31 ,       0,0.605566,0.073605,0.178622
twpcmbeC1.c1,2003,01 3:30:00,31 ,       0,0.358935,0.060051,0.117212
twpcmbeC1.c1,2003,01 4:30:00,31 ,       0,0.388184, 0.02911,0.091488
twpcmbeC1.c1,2003,01 5:30:00,31 ,       0,0.191893, 0.01544,  0.0447
twpcmbeC1.c1,2003,01 6:30:00,31 ,6.372979,64.65551,30.57692,15.20886
twpcmbeC1.c1,2003,01 7:30:00,31 ,13.83075,107.7962,63.14297,25.96885
twpcmbeC1.c1,2003,01 8:30:00,31 ,19.29359,162.7403,82.79135,42.76099
twpcmbeC1.c1,2003,01 9:30:00,31 , 4.73294,254.5806,132.5367, 71.4733
twpcmbeC1.c1,2003,0110:30:00,31 ,18.88484,320.2972,147.9152,92.13019
twpcmbeC1.c1,2003,0111:30:00,31 ,21.96995,405.3773,176.7762,100.4485
twpcmbeC1.c1,2003,0112:30:00,31 ,3.603048,330.6647,134.4988,106.9686
twpcmbeC1.c1,2003,0113:30:00,31 ,3.437881,473.0731,124.7339,111.5884
twpcmbeC1.c1,2003,0114:30:00,31 ,1.915069,291.0463,120.8418,95.81699
twpcmbeC1.c1,2003,0115:30:00,31 ,6.407867,231.6768,79.59349,62.74983
twpcmbeC1.c1,2003,0116:30:00,31 ,4.416504,152.5145,57.31306,40.83524
twpcmbeC1.c1,2003,0117:30:00,31 ,3.386415,104.4683,40.00746,29.03058
twpcmbeC1.c1,2003,0118:30:00,31 ,1.753513,27.37881,9.056151,5.693193
twpcmbeC1.c1,2003,0119:30:00,31 ,       0,0.236744,0.010112,0.044258
twpcmbeC1.c1,2003,0120:30:00,31 ,       0,0.385376,0.033016,0.103078
twpcmbeC1.c1,2003,0121:30:00,31 ,       0,0.420982, 0.04137,0.104269
twpcmbeC1.c1,2003,0122:30:00,31 ,       0,0.581195,0.049057,0.123702
twpcmbeC1.c1,2003,0123:30:00,31 ,       0,0.571554,0.070526,0.157158