datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,01 0:30:00,31 ,       0,0.851029,0.305528,0.183832
twpcmbeC1.c1,1997,01 1:30:00,30 ,       0,0.625002,0.271277,0.164414
twpcmbeC1.c1,1997,01 2:30:00,31 ,       0, 0.51729,0.233343,0.148517
twpcmbeC1.c1,1997,01 3:30:00,31 ,       0,0.449871,0.173777,0.152315
twpcmbeC1.c1,1997,01 4:30:00,31 ,       0,0.421018,0.116477,  0.1371
twpcmbeC1.c1,1997,01 5:30:00,31 ,       0,0.365849,0.072143,0.108727
twpcmbeC1.c1,1997,01 6:30:00,31 ,6.447818,62.98055,23.38005,11.74695
twpcmbeC1.c1,1997,01 7:30:00,31 ,16.81104,124.2344,56.07924,27.93256
twpcmbeC1.c1,1997,01 8:30:00,31 ,11.41418,211.2767,75.68993,48.09236
twpcmbeC1.c1,1997,01 9:30:00,31 ,11.27726,274.1539,115.8019,71.57164
twpcmbeC1.c1,1997,0110:30:00,31 ,6.955411,296.5052,143.5586,87.13681
twpcmbeC1.c1,1997,0111:30:00,31 ,22.22172,315.7132,113.0607,77.45316
twpcmbeC1.c1,1997,0112:30:00,31 ,6.577349,378.6902,126.3345,108.2165
twpcmbeC1.c1,1997,0113:30:00,31 ,4.725736,300.4498, 116.716,83.59561
twpcmbeC1.c1,1997,0114:30:00,31 , 6.85168,320.8152,105.9593,79.14295
twpcmbeC1.c1,1997,0115:30:00,31 ,2.273084,215.7047,81.10455, 62.2652
twpcmbeC1.c1,1997,0116:30:00,31 ,7.385119,130.4334,54.57648,37.38974
twpcmbeC1.c1,1997,0117:30:00,31 ,1.750409,121.2565,39.54709,30.27089
twpcmbeC1.c1,1997,0118:30:00,31 ,1.234463, 21.5146,9.351853,6.360587
twpcmbeC1.c1,1997,0119:30:00,31 ,       0,0.556008,0.121509,0.156753
twpcmbeC1.c1,1997,0120:30:00,31 ,       0,0.363785,0.139762, 0.14958
twpcmbeC1.c1,1997,0121:30:00,31 ,       0,0.436624,0.173261,0.152297
twpcmbeC1.c1,1997,0122:30:00,31 ,       0,0.484329,0.213256,0.148083
twpcmbeC1.c1,1997,0123:30:00,31 ,       0,0.525763,0.248291, 0.16748