datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,01 0:30:00,30 ,       0,0.496538,0.062083,0.137198
twpcmbeC1.c1,2007,01 1:30:00,31 ,       0,0.530777, 0.09396,0.168646
twpcmbeC1.c1,2007,01 2:30:00,31 ,       0,0.350494,0.068178,0.124529
twpcmbeC1.c1,2007,01 3:30:00,31 ,       0,0.268337,0.039168,0.085685
twpcmbeC1.c1,2007,01 4:30:00,31 ,       0, 0.28123,0.019859,0.066794
twpcmbeC1.c1,2007,01 5:30:00,31 ,       0,0.082345,0.002656, 0.01479
twpcmbeC1.c1,2007,01 6:30:00,31 ,1.249933,41.80642,  22.957,10.52432
twpcmbeC1.c1,2007,01 7:30:00,31 ,5.329404,122.1715,55.28014,29.13119
twpcmbeC1.c1,2007,01 8:30:00,31 ,5.082156,171.4137,72.99887,41.14643
twpcmbeC1.c1,2007,01 9:30:00,31 , 16.6212,302.2511,105.1941,68.21161
twpcmbeC1.c1,2007,0110:30:00,31 ,18.17114,310.4406,130.5305,81.67101
twpcmbeC1.c1,2007,0111:30:00,31 ,11.01631,346.7129,118.2557,90.08143
twpcmbeC1.c1,2007,0112:30:00,31 ,3.887518,343.1722,128.8596,92.85506
twpcmbeC1.c1,2007,0113:30:00,31 ,17.82253,389.5119, 137.633,90.72087
twpcmbeC1.c1,2007,0114:30:00,31 , 12.6435,296.3635,120.3619,88.76742
twpcmbeC1.c1,2007,0115:30:00,31 ,2.681892,  233.75,63.53249,59.29166
twpcmbeC1.c1,2007,0116:30:00,31 ,6.066881,139.2336,47.73912,39.25252
twpcmbeC1.c1,2007,0117:30:00,31 ,4.306899,87.41534,30.69677,24.73593
twpcmbeC1.c1,2007,0118:30:00,31 , 0.51405,27.39478,9.098403,6.474652
twpcmbeC1.c1,2007,0119:30:00,31 ,       0,0.190442,0.021459,0.052802
twpcmbeC1.c1,2007,0120:30:00,31 ,       0,0.394786,0.049286,0.111016
twpcmbeC1.c1,2007,0121:30:00,31 ,       0,0.430764,0.075573,0.146609
twpcmbeC1.c1,2007,0122:30:00,31 ,       0,0.395952,0.065882,0.123567
twpcmbeC1.c1,2007,0123:30:00,30 ,       0,0.531364,0.069108,0.150826