datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,05 0:30:00,31 ,       0,0.036437,0.003441,0.009291
twpcmbeC1.c1,2002,05 1:30:00,31 ,       0,0.027544,0.002131,0.006219
twpcmbeC1.c1,2002,05 2:30:00,31 ,       0,0.043104,0.003199,0.009518
twpcmbeC1.c1,2002,05 3:30:00,31 ,       0,0.028647,0.002246,0.006528
twpcmbeC1.c1,2002,05 4:30:00,31 ,       0,0.021792,0.000703,0.003914
twpcmbeC1.c1,2002,05 5:30:00,31 ,       0,0.450353,0.160188,0.102658
twpcmbeC1.c1,2002,05 6:30:00,31 ,7.534808,34.94811,20.84243,6.417203
twpcmbeC1.c1,2002,05 7:30:00,31 ,4.220162,80.68338,25.42829,17.48171
twpcmbeC1.c1,2002,05 8:30:00,31 ,4.494201,84.86395,34.67318,20.49121
twpcmbeC1.c1,2002,05 9:30:00,31 ,4.452569,128.2797,45.30644,29.82712
twpcmbeC1.c1,2002,0510:30:00,31 ,9.358507,148.1225,51.60415,31.72399
twpcmbeC1.c1,2002,0511:30:00,31 ,5.973043,179.9493, 60.9311, 41.4745
twpcmbeC1.c1,2002,0512:30:00,31 ,6.524189,141.4549,51.83497,37.70593
twpcmbeC1.c1,2002,0513:30:00,31 ,3.594634,104.8029,37.49019,27.19105
twpcmbeC1.c1,2002,0514:30:00,31 ,3.227625,100.6981,33.93746,23.65877
twpcmbeC1.c1,2002,0515:30:00,30 ,0.753135,76.68635,25.35323,18.92205
twpcmbeC1.c1,2002,0516:30:00,31 ,3.911328,64.36819,23.13898,16.21796
twpcmbeC1.c1,2002,0517:30:00,31 ,4.022249,46.01932,20.14722,9.178719
twpcmbeC1.c1,2002,0518:30:00,31 ,0.245954,4.194538,2.299469,0.963933
twpcmbeC1.c1,2002,0519:30:00,31 ,       0,0.006051, 0.00032, 0.00118
twpcmbeC1.c1,2002,0520:30:00,31 ,       0,0.050867,0.001874,0.009185
twpcmbeC1.c1,2002,0521:30:00,31 ,       0,0.052362,0.004022,0.010887
twpcmbeC1.c1,2002,0522:30:00,31 ,       0,0.021126, 0.00127,0.004102
twpcmbeC1.c1,2002,0523:30:00,31 ,       0,0.028535,0.002936,0.007229