datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,01 0:30:00,30 ,       0,0.482261,0.059479,0.135714
twpcmbeC1.c1,2007,01 1:30:00,31 ,       0,0.500361,0.085953,0.157032
twpcmbeC1.c1,2007,01 2:30:00,31 ,       0,0.348024,0.066469, 0.12087
twpcmbeC1.c1,2007,01 3:30:00,31 ,       0,0.268337,0.038975,0.085268
twpcmbeC1.c1,2007,01 4:30:00,31 ,       0,0.240168,  0.0167,0.055308
twpcmbeC1.c1,2007,01 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,01 6:30:00,31 ,0.009568,24.94503,5.840738,7.198737
twpcmbeC1.c1,2007,01 7:30:00,31 ,0.012108,95.12772,34.07661,30.01685
twpcmbeC1.c1,2007,01 8:30:00,31 ,0.130224,134.0866,52.71699,39.92976
twpcmbeC1.c1,2007,01 9:30:00,31 ,0.150673,245.2178,83.56037,70.67635
twpcmbeC1.c1,2007,0110:30:00,31 ,0.240426,312.8419,107.6772,87.35897
twpcmbeC1.c1,2007,0111:30:00,31 ,0.467667,280.0281,91.90912,86.19108
twpcmbeC1.c1,2007,0112:30:00,31 ,0.664654,344.3851,97.84729,109.0448
twpcmbeC1.c1,2007,0113:30:00,31 ,0.459733,350.9476,97.07073, 97.8472
twpcmbeC1.c1,2007,0114:30:00,31 ,0.331128,264.5982, 86.3155,93.22904
twpcmbeC1.c1,2007,0115:30:00,31 ,0.036934,224.9162, 39.1965,60.74038
twpcmbeC1.c1,2007,0116:30:00,31 ,       0,125.4952,23.43988,38.88834
twpcmbeC1.c1,2007,0117:30:00,31 ,       0, 66.8621, 9.48605,17.44498
twpcmbeC1.c1,2007,0118:30:00,31 ,       0,8.202868,0.521899,1.651254
twpcmbeC1.c1,2007,0119:30:00,31 ,       0,0.113559,0.012488,0.030248
twpcmbeC1.c1,2007,0120:30:00,31 ,       0,0.311746, 0.04385, 0.09863
twpcmbeC1.c1,2007,0121:30:00,31 ,       0,0.423076, 0.06962,0.135634
twpcmbeC1.c1,2007,0122:30:00,31 ,       0,0.395897,0.062596,0.120081
twpcmbeC1.c1,2007,0123:30:00,30 ,       0,0.531364, 0.06633,0.148261