datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,05 0:30:00,25 ,       0,0.000872,0.000035,0.000174
twpcmbeC1.c1,1999,05 1:30:00,25 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,05 2:30:00,25 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,05 3:30:00,25 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,05 4:30:00,25 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,05 5:30:00,25 ,       0,0.533046,0.044884,0.115586
twpcmbeC1.c1,1999,05 6:30:00,25 ,1.414927,55.07104,30.34423,11.39221
twpcmbeC1.c1,1999,05 7:30:00,25 ,5.725968, 168.914,95.97705,41.28995
twpcmbeC1.c1,1999,05 8:30:00,24 ,21.84292,251.0259,129.4982,61.61112
twpcmbeC1.c1,1999,05 9:30:00,24 ,64.93835,377.2522,164.4698, 90.7365
twpcmbeC1.c1,1999,0510:30:00,24 , 68.1955, 362.674, 181.358,84.82649
twpcmbeC1.c1,1999,0511:30:00,24 ,85.01917,426.4953, 210.545,90.71083
twpcmbeC1.c1,1999,0512:30:00,24 ,81.41477,426.4532,214.6715,102.0216
twpcmbeC1.c1,1999,0513:30:00,24 ,86.44364,484.7506,238.6167,114.1361
twpcmbeC1.c1,1999,0514:30:00,24 ,89.72926,393.8648,220.4448,88.31964
twpcmbeC1.c1,1999,0515:30:00,24 , 59.4408,277.5374, 169.992,56.74474
twpcmbeC1.c1,1999,0516:30:00,24 ,42.90657,212.8565,131.4228,45.26312
twpcmbeC1.c1,1999,0517:30:00,24 ,10.44562,71.60376,44.37947,17.44062
twpcmbeC1.c1,1999,0518:30:00,24 ,       0,2.401851,0.645163,0.568843
twpcmbeC1.c1,1999,0519:30:00,24 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0520:30:00,24 ,       0,0.029272, 0.00122,0.005975
twpcmbeC1.c1,1999,0521:30:00,24 ,       0,0.162044,0.006752,0.033077
twpcmbeC1.c1,1999,0522:30:00,24 ,       0,0.001824,0.000076,0.000372
twpcmbeC1.c1,1999,0523:30:00,24 ,       0,       0,       0,       0