datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,01 0:30:00,31 ,       0,0.591492,0.068228,0.154031
twpcmbeC1.c1,2002,01 1:30:00,31 ,       0,0.531825,0.047753,0.137883
twpcmbeC1.c1,2002,01 2:30:00,31 ,       0,0.507049,  0.0826,0.155383
twpcmbeC1.c1,2002,01 3:30:00,31 ,       0,0.509129,0.076302,0.150332
twpcmbeC1.c1,2002,01 4:30:00,31 ,       0,0.334872,0.043015,0.085153
twpcmbeC1.c1,2002,01 5:30:00,31 ,       0,0.472087,0.032892,0.094025
twpcmbeC1.c1,2002,01 6:30:00,31 ,7.764886,44.04205,24.91366, 11.3195
twpcmbeC1.c1,2002,01 7:30:00,31 ,11.31515, 130.189,67.66684,26.32126
twpcmbeC1.c1,2002,01 8:30:00,31 ,5.304241,160.4807,80.57588,43.41707
twpcmbeC1.c1,2002,01 9:30:00,31 , 19.8834,237.9894,111.2784, 63.2716
twpcmbeC1.c1,2002,0110:30:00,31 ,8.060662,323.8479,136.6648,80.74285
twpcmbeC1.c1,2002,0111:30:00,31 ,13.21377,353.5712,135.9767,97.86154
twpcmbeC1.c1,2002,0112:30:00,31 ,3.895837,354.6438,124.3155,112.3774
twpcmbeC1.c1,2002,0113:30:00,31 ,8.253401, 313.112,122.0819,97.08132
twpcmbeC1.c1,2002,0114:30:00,31 ,20.27666,392.2339,149.6246,115.5889
twpcmbeC1.c1,2002,0115:30:00,31 , 3.69516, 273.833, 113.504,76.46035
twpcmbeC1.c1,2002,0116:30:00,31 ,8.236716,228.6154,92.65294,59.27949
twpcmbeC1.c1,2002,0117:30:00,31 ,7.477386,101.3429,47.55026,26.46508
twpcmbeC1.c1,2002,0118:30:00,31 ,4.364751,34.78931,12.06588,7.322929
twpcmbeC1.c1,2002,0119:30:00,31 ,       0,0.313959,0.012413,0.057391
twpcmbeC1.c1,2002,0120:30:00,31 ,       0,0.322563,0.044936,0.097709
twpcmbeC1.c1,2002,0121:30:00,31 ,       0,0.404753,0.077138,0.133788
twpcmbeC1.c1,2002,0122:30:00,31 ,       0,0.404368,  0.1136,0.140041
twpcmbeC1.c1,2002,0123:30:00,31 ,       0,0.595698,0.128395,0.182207