datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,09 0:30:00,29 ,       0, 0.15854,0.005467, 0.02944
twpcmbeC1.c1,2006,09 1:30:00,30 ,       0,0.445553,0.045629,0.121454
twpcmbeC1.c1,2006,09 2:30:00,30 ,       0,0.511911,0.054797,0.125756
twpcmbeC1.c1,2006,09 3:30:00,30 ,       0,0.272542,0.030115,0.079791
twpcmbeC1.c1,2006,09 4:30:00,30 ,       0,0.155634,0.015663, 0.04201
twpcmbeC1.c1,2006,09 5:30:00,30 ,       0,0.006825,0.000331,0.001269
twpcmbeC1.c1,2006,09 6:30:00,30 ,0.051932,51.93811,13.36465,15.98546
twpcmbeC1.c1,2006,09 7:30:00,30 ,0.231243,115.7313,47.71822,42.25417
twpcmbeC1.c1,2006,09 8:30:00,30 ,0.292865,227.1315,76.68021,67.02311
twpcmbeC1.c1,2006,09 9:30:00,30 ,0.239616,253.1899,117.1856,91.09981
twpcmbeC1.c1,2006,0910:30:00,30 ,0.078748,320.2358, 125.304,103.9964
twpcmbeC1.c1,2006,0911:30:00,30 ,0.343667,349.8037, 113.779,97.90939
twpcmbeC1.c1,2006,0912:30:00,30 ,0.999869,369.8416,117.0581,107.3359
twpcmbeC1.c1,2006,0913:30:00,30 ,0.612177,393.8879,123.2806,107.2685
twpcmbeC1.c1,2006,0914:30:00,30 ,0.199771,283.0834,93.46743,  80.699
twpcmbeC1.c1,2006,0915:30:00,30 ,0.049255,248.0546,78.20447,74.51596
twpcmbeC1.c1,2006,0916:30:00,30 ,0.061373,137.8153,50.55416, 46.1712
twpcmbeC1.c1,2006,0917:30:00,30 , 0.02021,58.77807,17.57982,21.39351
twpcmbeC1.c1,2006,0918:30:00,30 ,       0,0.437196,0.027187,  0.0835
twpcmbeC1.c1,2006,0919:30:00,30 ,       0,0.123755,0.007636,0.029159
twpcmbeC1.c1,2006,0920:30:00,30 ,       0, 0.18071,0.026367,0.056384
twpcmbeC1.c1,2006,0921:30:00,29 ,       0,0.378625,0.032012, 0.09843
twpcmbeC1.c1,2006,0922:30:00,29 ,       0,0.517676,0.072355,0.144846
twpcmbeC1.c1,2006,0923:30:00,28 ,       0,0.436145,0.015577,0.082424