datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,01 0:30:00,31 ,394.2264,442.1745,418.1201,10.04812
twpcmbeC1.c1,2004,01 1:30:00,31 ,395.0179, 439.107, 418.637,10.38854
twpcmbeC1.c1,2004,01 2:30:00,31 ,396.1817,443.7019,418.2285,12.38128
twpcmbeC1.c1,2004,01 3:30:00,31 ,397.4665,437.8952,417.5952,10.50343
twpcmbeC1.c1,2004,01 4:30:00,31 ,396.7426,438.5453,417.8911,10.56761
twpcmbeC1.c1,2004,01 5:30:00,31 ,397.7533,  438.29,416.5232,10.34001
twpcmbeC1.c1,2004,01 6:30:00,31 ,397.9677,436.0385,415.5184,9.881002
twpcmbeC1.c1,2004,01 7:30:00,31 ,403.8498,438.4979,419.7839,8.469178
twpcmbeC1.c1,2004,01 8:30:00,31 ,410.9555,437.6356,423.1887,  6.8319
twpcmbeC1.c1,2004,01 9:30:00,31 ,412.3758,443.4005, 426.303,8.004039
twpcmbeC1.c1,2004,0110:30:00,31 ,413.9694,450.5984,429.3558,8.868602
twpcmbeC1.c1,2004,0111:30:00,31 ,414.2277,453.6098,430.5448,9.062522
twpcmbeC1.c1,2004,0112:30:00,31 ,414.7116,440.3628,429.6726,6.737279
twpcmbeC1.c1,2004,0113:30:00,31 ,415.0309,448.4656,431.0491,8.277721
twpcmbeC1.c1,2004,0114:30:00,31 ,412.3217,449.3463, 432.269,9.233161
twpcmbeC1.c1,2004,0115:30:00,31 ,411.9584,451.5059,430.4987, 9.60979
twpcmbeC1.c1,2004,0116:30:00,31 ,409.4389,452.5339, 429.633,10.19275
twpcmbeC1.c1,2004,0117:30:00,31 ,409.7139,449.0093,427.5487,8.965053
twpcmbeC1.c1,2004,0118:30:00,31 ,409.6496, 439.927,423.8364,8.228962
twpcmbeC1.c1,2004,0119:30:00,31 ,409.2328,437.4854,422.6011,6.850867
twpcmbeC1.c1,2004,0120:30:00,31 ,407.7453,437.2031,422.2048,7.403467
twpcmbeC1.c1,2004,0121:30:00,31 ,401.0743,438.6726,421.7246,9.058216
twpcmbeC1.c1,2004,0122:30:00,31 ,394.3236,437.7965,421.8054,10.18459
twpcmbeC1.c1,2004,0123:30:00,31 ,394.0511,442.3224, 420.379,10.54293