datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,07 0:30:00,31 ,       0, 0.18616,0.015672,0.039049
twpcmbeC1.c1,1997,07 1:30:00,31 ,       0,0.098946,0.011409, 0.02496
twpcmbeC1.c1,1997,07 2:30:00,30 ,       0,0.308359,0.023273,0.058764
twpcmbeC1.c1,1997,07 3:30:00,31 ,       0, 0.59523,0.030925,0.109427
twpcmbeC1.c1,1997,07 4:30:00,31 ,       0,0.682596, 0.03362,0.126108
twpcmbeC1.c1,1997,07 5:30:00,31 ,       0,0.536436,0.031864,0.109275
twpcmbeC1.c1,1997,07 6:30:00,31 , 0.90336,75.28104,  17.248,12.39327
twpcmbeC1.c1,1997,07 7:30:00,31 ,6.189373,67.54701,25.87268,14.74949
twpcmbeC1.c1,1997,07 8:30:00,31 ,  6.0425, 70.0732,35.89761,18.74107
twpcmbeC1.c1,1997,07 9:30:00,31 ,4.760329,100.7452,44.26007,26.21472
twpcmbeC1.c1,1997,0710:30:00,31 ,3.797951,126.6399,57.05944,31.74398
twpcmbeC1.c1,1997,0711:30:00,31 ,4.192026,122.5576,  58.009,30.59514
twpcmbeC1.c1,1997,0712:30:00,31 ,3.549808,241.8161,60.05424,51.96417
twpcmbeC1.c1,1997,0713:30:00,31 ,  3.1738,116.8396,47.74879,35.93967
twpcmbeC1.c1,1997,0714:30:00,31 ,6.720458,100.1443,39.29762,25.95251
twpcmbeC1.c1,1997,0715:30:00,31 , 7.35961,103.4652,44.82777,28.49998
twpcmbeC1.c1,1997,0716:30:00,31 ,4.443244,89.75522,30.94203,19.81657
twpcmbeC1.c1,1997,0717:30:00,31 ,  2.4558,46.27719,20.92054,9.039335
twpcmbeC1.c1,1997,0718:30:00,31 ,       0,8.138851,3.706803,2.201814
twpcmbeC1.c1,1997,0719:30:00,31 ,       0,0.353569,0.021516,0.068096
twpcmbeC1.c1,1997,0720:30:00,31 ,       0,0.487707,0.033319,0.096186
twpcmbeC1.c1,1997,0721:30:00,31 ,       0,0.263101,0.034926,0.067213
twpcmbeC1.c1,1997,0722:30:00,31 ,       0,0.356942,0.033653,0.072742
twpcmbeC1.c1,1997,0723:30:00,31 ,       0,0.150301,0.019024,0.038071