datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,03 0:30:00,24 ,4.872468,6.718258,5.930826,0.455212 twpcmbeC2.c1,2004,03 1:30:00,26 ,4.909084,6.794721, 5.99625,0.483985 twpcmbeC2.c1,2004,03 2:30:00,25 ,4.798069,6.719907,5.961728,0.509605 twpcmbeC2.c1,2004,03 3:30:00,26 ,4.697017,6.787183,5.960579,0.518584 twpcmbeC2.c1,2004,03 4:30:00,24 ,4.702145,6.924616,5.875189,0.547204 twpcmbeC2.c1,2004,03 5:30:00,26 ,4.692322,6.661908, 5.87018,0.516932 twpcmbeC2.c1,2004,03 6:30:00,26 ,4.608481, 6.7865,5.860611,0.532763 twpcmbeC2.c1,2004,03 7:30:00,26 ,4.628942,6.907182,5.849447,0.518892 twpcmbeC2.c1,2004,03 8:30:00,27 ,4.752992,6.962293,5.864934,0.528679 twpcmbeC2.c1,2004,03 9:30:00,26 ,4.786714,6.605434,5.826672,0.478146 twpcmbeC2.c1,2004,0310:30:00,25 ,4.976328,6.617785,5.899745,0.429701 twpcmbeC2.c1,2004,0311:30:00,26 ,4.978244,6.570982,5.851165,0.458672 twpcmbeC2.c1,2004,0312:30:00,27 ,5.071218,6.504997,5.908815,0.390098 twpcmbeC2.c1,2004,0313:30:00,26 ,4.843458, 6.49683,5.862892,0.404169 twpcmbeC2.c1,2004,0314:30:00,26 ,4.752291,6.422543,5.852905,0.406394 twpcmbeC2.c1,2004,0315:30:00,26 , 4.64426,6.533727,5.903495, 0.46145 twpcmbeC2.c1,2004,0316:30:00,26 ,4.648086,6.580969,5.888347,0.481734 twpcmbeC2.c1,2004,0317:30:00,27 , 4.76948,6.698942,5.942908,0.487564 twpcmbeC2.c1,2004,0318:30:00,25 ,4.816171,6.606451,5.920372, 0.49406 twpcmbeC2.c1,2004,0319:30:00,25 ,4.867685, 6.73122,5.934345,0.524178 twpcmbeC2.c1,2004,0320:30:00,25 , 5.02535,6.779491,5.970026,0.508493 twpcmbeC2.c1,2004,0321:30:00,22 ,5.054648,6.850667,5.905226,0.481834 twpcmbeC2.c1,2004,0322:30:00,24 ,5.141019,6.812186,5.956803,0.464115 twpcmbeC2.c1,2004,0323:30:00,24 ,5.078512,6.779395,5.956309,0.445826