datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,03 0:30:00,31 ,       0,0.699824,0.060885,0.147168
twpcmbeC2.c1,2004,03 1:30:00,31 ,       0,   0.655,0.085495,0.158183
twpcmbeC2.c1,2004,03 2:30:00,31 ,       0,0.781907,0.069195,0.160302
twpcmbeC2.c1,2004,03 3:30:00,31 ,       0, 0.20721, 0.01238, 0.04086
twpcmbeC2.c1,2004,03 4:30:00,31 ,       0,0.267653,0.026134,0.072883
twpcmbeC2.c1,2004,03 5:30:00,31 ,       0,0.019943,0.001369,0.004446
twpcmbeC2.c1,2004,03 6:30:00,31 ,       0,1.016973, 0.36643,0.302257
twpcmbeC2.c1,2004,03 7:30:00,31 ,4.280579,97.31815,49.67481,22.61212
twpcmbeC2.c1,2004,03 8:30:00,31 ,34.51374,339.6819,205.7996, 83.9915
twpcmbeC2.c1,2004,03 9:30:00,31 ,58.88354,580.8229,403.7596,142.3363
twpcmbeC2.c1,2004,0310:30:00,31 ,92.13486,803.2673,593.0152,200.2799
twpcmbeC2.c1,2004,0311:30:00,31 , 94.6385,939.0812,704.0453,240.0579
twpcmbeC2.c1,2004,0312:30:00,31 ,208.8096,1045.251,778.5764,234.9773
twpcmbeC2.c1,2004,0313:30:00,31 ,188.2085,1015.058,705.1451,262.3945
twpcmbeC2.c1,2004,0314:30:00,31 ,43.20736,935.2281,604.6926,238.4562
twpcmbeC2.c1,2004,0315:30:00,31 ,41.40252,811.6495,500.6536,208.4298
twpcmbeC2.c1,2004,0316:30:00,31 ,21.52921,589.1349,377.3971,174.6298
twpcmbeC2.c1,2004,0317:30:00,31 ,19.00086,456.9478,213.6792, 103.699
twpcmbeC2.c1,2004,0318:30:00,31 ,3.119586,110.1907,55.55051,28.39012
twpcmbeC2.c1,2004,0319:30:00,31 ,       0,1.374677, 0.42594,0.350081
twpcmbeC2.c1,2004,0320:30:00,31 ,       0,0.041796,0.004774,0.011843
twpcmbeC2.c1,2004,0321:30:00,31 ,       0,0.216897,0.031236,0.061155
twpcmbeC2.c1,2004,0322:30:00,31 ,       0,0.323683,0.047914,0.079829
twpcmbeC2.c1,2004,0323:30:00,31 ,       0,0.260598,0.038273, 0.07893