datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,03 0:30:00,30 ,       0,0.216332,0.022938,0.043923
twpcmbeC1.c1,1997,03 1:30:00,30 ,       0,0.153036,0.018002,0.036742
twpcmbeC1.c1,1997,03 2:30:00,30 ,       0,0.110895,0.019952,0.035017
twpcmbeC1.c1,1997,03 3:30:00,30 ,       0,0.125543,0.013934,0.031736
twpcmbeC1.c1,1997,03 4:30:00,30 ,       0,0.132269,0.006553,0.024904
twpcmbeC1.c1,1997,03 5:30:00,30 ,       0,0.276859,  0.0207,0.066468
twpcmbeC1.c1,1997,03 6:30:00,30 ,10.89014,33.98475,22.09914,5.064198
twpcmbeC1.c1,1997,03 7:30:00,30 ,4.044546,55.51958,31.12785,14.05218
twpcmbeC1.c1,1997,03 8:30:00,31 , 5.60885,70.52038, 33.4823,17.26126
twpcmbeC1.c1,1997,03 9:30:00,31 , 6.33775,114.1102,44.57175,25.79324
twpcmbeC1.c1,1997,0310:30:00,31 ,3.458113,132.8518, 53.4153,30.70961
twpcmbeC1.c1,1997,0311:30:00,31 ,10.71407,242.9702,68.06728,45.78797
twpcmbeC1.c1,1997,0312:30:00,31 ,7.465811,132.8948,67.99308,36.02229
twpcmbeC1.c1,1997,0313:30:00,31 ,3.773925,124.7594,58.84839,30.30932
twpcmbeC1.c1,1997,0314:30:00,31 ,10.82315,150.2261,58.75058,33.96123
twpcmbeC1.c1,1997,0315:30:00,31 ,10.48748, 95.7195,49.10068,  21.238
twpcmbeC1.c1,1997,0316:30:00,31 ,10.43996,71.85336,33.09461,14.80456
twpcmbeC1.c1,1997,0317:30:00,31 ,2.646518, 56.9066, 27.4329,13.12922
twpcmbeC1.c1,1997,0318:30:00,31 , 0.58763,16.39973,8.024775,3.575005
twpcmbeC1.c1,1997,0319:30:00,31 ,       0,0.695317, 0.02243,0.124883
twpcmbeC1.c1,1997,0320:30:00,31 ,       0,0.315869,0.023848,0.066197
twpcmbeC1.c1,1997,0321:30:00,31 ,       0,0.180162,0.018517,0.043322
twpcmbeC1.c1,1997,0322:30:00,31 ,       0, 0.21584,0.017026,0.041344
twpcmbeC1.c1,1997,0323:30:00,31 ,       0,0.216173,0.021443, 0.04538