datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2001,11 0:30:00,29 ,       0,0.018809,0.000649,0.003493
twpcmbeC2.c1,2001,11 1:30:00,29 ,       0,0.017057,0.000588,0.003167
twpcmbeC2.c1,2001,11 2:30:00,29 ,       0,0.091122,0.003142,0.016921
twpcmbeC2.c1,2001,11 3:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,11 4:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,11 5:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,11 6:30:00,29 ,4.901411,14.77535,9.207906,2.244768
twpcmbeC2.c1,2001,11 7:30:00,29 ,7.990996,76.34465,44.39755,18.14765
twpcmbeC2.c1,2001,11 8:30:00,29 ,4.002203,94.16533,50.84254,21.88282
twpcmbeC2.c1,2001,11 9:30:00,29 ,  1.2283,67.56757,29.04813,18.65982
twpcmbeC2.c1,2001,1110:30:00,29 ,1.130842,76.92232,29.62602, 17.9315
twpcmbeC2.c1,2001,1111:30:00,29 ,5.618356,130.5557,40.58245,26.85416
twpcmbeC2.c1,2001,1112:30:00,29 ,5.104965,77.62523,36.95524,18.91634
twpcmbeC2.c1,2001,1113:30:00,29 ,11.33797,134.0541,45.92292,35.13927
twpcmbeC2.c1,2001,1114:30:00,28 ,6.820177,129.8413,32.36945,23.75918
twpcmbeC2.c1,2001,1115:30:00,29 ,2.587972,74.94442,32.77062,  18.675
twpcmbeC2.c1,2001,1116:30:00,29 ,1.822116,137.0759,24.73733,27.69704
twpcmbeC2.c1,2001,1117:30:00,29 ,2.029153,57.91447, 22.4729,15.28278
twpcmbeC2.c1,2001,1118:30:00,29 ,3.568568,33.07119, 18.6384,6.682048
twpcmbeC2.c1,2001,1119:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1120:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1121:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1122:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1123:30:00,29 ,       0,       0,       0,       0