datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2002,07 0:00:00,31 ,       0,0.164828,0.005317,0.029604
twpcmbeC3.c1,2002,07 1:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,07 2:00:00,31 ,       0,0.030392, 0.00098,0.005459
twpcmbeC3.c1,2002,07 3:00:00,31 ,       0,0.082157, 0.00265,0.014756
twpcmbeC3.c1,2002,07 4:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,07 5:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,07 6:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,07 7:00:00,31 ,0.717143,  2.2115,1.576077,0.377161
twpcmbeC3.c1,2002,07 8:00:00,31 ,21.43683,35.49033,31.32864,2.701819
twpcmbeC3.c1,2002,07 9:00:00,29 ,46.79517,83.90965,75.19956, 6.30145
twpcmbeC3.c1,2002,0710:00:00,31 ,90.14883,122.1253,110.7794,8.059594
twpcmbeC3.c1,2002,0711:00:00,31 ,80.39399, 149.671,136.6492,14.28361
twpcmbeC3.c1,2002,0712:00:00,31 ,88.00935,166.5373,149.4243,17.91046
twpcmbeC3.c1,2002,0713:00:00,31 ,99.08383,167.3349,151.5205,18.05003
twpcmbeC3.c1,2002,0714:00:00,31 ,54.56767, 159.166,140.8389,20.55275
twpcmbeC3.c1,2002,0715:00:00,31 ,33.85783,137.9263,120.2014,21.33294
twpcmbeC3.c1,2002,0716:00:00,31 ,68.35084,104.6352,94.50758,8.396113
twpcmbeC3.c1,2002,0717:00:00,31 ,44.43499, 64.5465,57.31069,3.645269
twpcmbeC3.c1,2002,0718:00:00,31 ,14.01386,21.47024,18.19783,1.753315
twpcmbeC3.c1,2002,0719:00:00,28 ,       0,0.046286,0.001653,0.008747
twpcmbeC3.c1,2002,0720:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,0721:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,0722:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2002,0723:00:00,30 ,       0,       0,       0,       0