datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,04 0:30:00,29 ,       0,0.561767,0.034528,0.116166
twpcmbeC1.c1,2007,04 1:30:00,29 ,       0,0.407126,0.022184,0.080076
twpcmbeC1.c1,2007,04 2:30:00,29 ,       0,0.239333,0.028378,0.072791
twpcmbeC1.c1,2007,04 3:30:00,29 ,       0,0.177966,0.011083,0.041699
twpcmbeC1.c1,2007,04 4:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 5:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 6:30:00,29 ,0.013452,30.78558,8.144577,9.707347
twpcmbeC1.c1,2007,04 7:30:00,29 ,0.039599,127.4811,49.71258, 35.0455
twpcmbeC1.c1,2007,04 8:30:00,29 ,0.302423,182.0711,81.83852,47.23563
twpcmbeC1.c1,2007,04 9:30:00,29 ,  0.4549,236.3004,93.27735,74.76752
twpcmbeC1.c1,2007,0410:30:00,29 ,       0,300.8733, 102.029,96.96979
twpcmbeC1.c1,2007,0411:30:00,29 ,1.832424,300.4198,99.04803,101.2715
twpcmbeC1.c1,2007,0412:30:00,29 ,1.522329,409.4917,139.7787,111.6944
twpcmbeC1.c1,2007,0413:30:00,29 ,2.342963,343.8482,126.5034,114.0909
twpcmbeC1.c1,2007,0414:30:00,29 , 0.40293,237.8115, 106.475,75.45257
twpcmbeC1.c1,2007,0415:30:00,29 ,       0,258.8298,90.79697,70.97325
twpcmbeC1.c1,2007,0416:30:00,29 ,       0, 164.336, 42.6344,45.84409
twpcmbeC1.c1,2007,0417:30:00,29 ,       0,72.50169,17.95441,23.06227
twpcmbeC1.c1,2007,0418:30:00,29 ,       0,2.350155,0.303963, 0.62581
twpcmbeC1.c1,2007,0419:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0420:30:00,29 ,       0,  0.2228,0.007683,0.041373
twpcmbeC1.c1,2007,0421:30:00,29 ,       0,0.201039,0.013756,0.051441
twpcmbeC1.c1,2007,0422:30:00,29 ,       0,0.507863,0.034903,0.130514
twpcmbeC1.c1,2007,0423:30:00,29 ,       0,0.250736,0.008646,0.046561