datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,04 0:30:00,30 ,       0, 0.17196,0.025339,0.054693
twpcmbeC1.c1,1999,04 1:30:00,30 ,       0,0.110099,0.011101,0.029388
twpcmbeC1.c1,1999,04 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,04 5:30:00,30 ,       0,0.346543,0.029041,0.076721
twpcmbeC1.c1,1999,04 6:30:00,30 ,4.967462,81.98927,37.63115,17.68315
twpcmbeC1.c1,1999,04 7:30:00,30 , 31.3119,150.0103,81.60358,28.37347
twpcmbeC1.c1,1999,04 8:30:00,30 ,35.71951,161.6245,93.85778,31.56089
twpcmbeC1.c1,1999,04 9:30:00,30 ,15.52016,255.7506, 111.919,50.30621
twpcmbeC1.c1,1999,0410:30:00,30 ,3.715624,299.0689,110.3321,67.69511
twpcmbeC1.c1,1999,0411:30:00,30 ,9.642952,438.7658,151.6989,125.8893
twpcmbeC1.c1,1999,0412:30:00,30 ,7.624042,430.6793,  101.75,114.2231
twpcmbeC1.c1,1999,0413:30:00,30 ,9.601873,363.2304,112.6077,104.9098
twpcmbeC1.c1,1999,0414:30:00,30 , 19.8865,271.9809,100.0412,69.01933
twpcmbeC1.c1,1999,0415:30:00,30 ,17.62951,216.3316, 99.6844,54.51588
twpcmbeC1.c1,1999,0416:30:00,30 ,7.515087,133.1097,72.52491,31.75796
twpcmbeC1.c1,1999,0417:30:00,30 , 6.80212,96.54174,55.68538,23.56039
twpcmbeC1.c1,1999,0418:30:00,30 ,       0,7.149403,3.626369,1.835088
twpcmbeC1.c1,1999,0419:30:00,30 ,       0,0.362041,0.012068,0.066099
twpcmbeC1.c1,1999,0420:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0421:30:00,30 ,       0,0.119157,0.006577,0.025602
twpcmbeC1.c1,1999,0422:30:00,30 ,       0,0.100494, 0.00335,0.018348
twpcmbeC1.c1,1999,0423:30:00,30 ,       0,0.181421,0.017531,0.047425