datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,10 0:30:00,31 ,       0,0.000075,2.415E-6,0.000013
twpcmbeC1.c1,2004,10 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,10 2:30:00,31 ,       0,  0.0074,0.000241,0.001329
twpcmbeC1.c1,2004,10 3:30:00,31 ,       0,0.029625,0.000956,0.005321
twpcmbeC1.c1,2004,10 4:30:00,31 ,       0,0.030551,0.000986,0.005487
twpcmbeC1.c1,2004,10 5:30:00,31 ,       0, 4.28695,1.921949,1.096357
twpcmbeC1.c1,2004,10 6:30:00,31 ,0.885064,59.31229,25.08726,11.74806
twpcmbeC1.c1,2004,10 7:30:00,31 ,1.757213, 65.7028,26.81882,18.43712
twpcmbeC1.c1,2004,10 8:30:00,31 ,2.607098,90.85463,30.03587, 22.6852
twpcmbeC1.c1,2004,10 9:30:00,31 ,2.638368, 85.6982, 34.3118,19.82146
twpcmbeC1.c1,2004,1010:30:00,31 ,2.032186,139.9541,47.71581,31.66217
twpcmbeC1.c1,2004,1011:30:00,31 ,2.096041,141.8902,46.77906,37.76917
twpcmbeC1.c1,2004,1012:30:00,31 , 3.26725,175.7915,60.53925,42.98575
twpcmbeC1.c1,2004,1013:30:00,31 ,2.773175,164.7458,44.17338,32.32918
twpcmbeC1.c1,2004,1014:30:00,31 ,3.496134,106.4756,39.36009,25.77398
twpcmbeC1.c1,2004,1015:30:00,31 ,5.521555,89.50356,36.88525,24.83975
twpcmbeC1.c1,2004,1016:30:00,31 ,6.212058,42.84473,24.54597,10.13571
twpcmbeC1.c1,2004,1017:30:00,31 ,3.562165,44.90221,22.37033,8.894775
twpcmbeC1.c1,2004,1018:30:00,31 ,       0,1.473943,0.791301,0.373529
twpcmbeC1.c1,2004,1019:30:00,31 ,       0, 0.00015,4.831E-6,0.000027
twpcmbeC1.c1,2004,1020:30:00,31 ,       0,0.061976,0.001999,0.011131
twpcmbeC1.c1,2004,1021:30:00,31 ,       0,0.056747,0.002325,0.010457
twpcmbeC1.c1,2004,1022:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,1023:30:00,31 ,       0,       0,       0,       0