datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,02 0:30:00,24 ,4.704183,6.636165,5.808095,0.577301
twpcmbeC2.c1,2002,02 1:30:00,23 ,4.694676,6.553353,5.740244,0.592926
twpcmbeC2.c1,2002,02 2:30:00,23 ,4.772662,6.559337,5.748658,0.570608
twpcmbeC2.c1,2002,02 3:30:00,23 ,4.707304,6.529238,5.713437,0.606587
twpcmbeC2.c1,2002,02 4:30:00,22 ,4.784433,6.752743,5.694529, 0.63798
twpcmbeC2.c1,2002,02 5:30:00,22 , 4.77726,6.765011,5.694564,0.625314
twpcmbeC2.c1,2002,02 6:30:00,20 ,4.752209,6.340069,5.614977,0.604943
twpcmbeC2.c1,2002,02 7:30:00,19 ,4.653091,6.453066,5.535626, 0.60584
twpcmbeC2.c1,2002,02 8:30:00,21 ,4.789815,6.723001,5.667217,0.685603
twpcmbeC2.c1,2002,02 9:30:00,22 ,4.776143,6.479984,5.645896,0.621687
twpcmbeC2.c1,2002,0210:30:00,22 ,4.405563, 6.53863,5.642705,0.663446
twpcmbeC2.c1,2002,0211:30:00,21 ,4.448895,6.622916,5.650998,0.645951
twpcmbeC2.c1,2002,0212:30:00,22 ,4.135659,6.616494,5.678732,0.700975
twpcmbeC2.c1,2002,0213:30:00,22 ,4.257573,6.727333,5.703034,0.708387
twpcmbeC2.c1,2002,0214:30:00,21 ,4.090962, 6.53484,5.610766, 0.68568
twpcmbeC2.c1,2002,0215:30:00,21 , 4.24225,6.577136,5.614558, 0.66993
twpcmbeC2.c1,2002,0216:30:00,21 ,4.684903,6.494128,5.667925, 0.56602
twpcmbeC2.c1,2002,0217:30:00,21 ,4.816071, 6.33347,5.680559,  0.5118
twpcmbeC2.c1,2002,0218:30:00,22 ,4.816087,6.430928,5.700632,0.521108
twpcmbeC2.c1,2002,0219:30:00,23 , 4.68703,6.845944,5.766316,0.582161
twpcmbeC2.c1,2002,0220:30:00,22 ,4.539001,6.981234,5.750876,0.612142
twpcmbeC2.c1,2002,0221:30:00,23 ,4.262629,6.933488,5.773009,0.640444
twpcmbeC2.c1,2002,0222:30:00,23 ,4.876484,6.840542,5.790959,0.586727
twpcmbeC2.c1,2002,0223:30:00,24 ,  4.7459,6.704497,5.836955, 0.55376