datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,08 0:30:00,31 ,       0,0.016776,0.000642,0.003033
twpcmbeC2.c1,2004,08 1:30:00,31 ,       0,0.018393,0.001027,0.003709
twpcmbeC2.c1,2004,08 2:30:00,31 ,       0,0.048496,0.001719, 0.00869
twpcmbeC2.c1,2004,08 3:30:00,31 ,       0,0.009892, 0.00035,0.001776
twpcmbeC2.c1,2004,08 4:30:00,31 ,       0, 0.01105,0.000566,0.002177
twpcmbeC2.c1,2004,08 5:30:00,31 ,       0,0.009442,0.000413,0.001727
twpcmbeC2.c1,2004,08 6:30:00,31 ,0.238587,3.509102,1.489741,0.798525
twpcmbeC2.c1,2004,08 7:30:00,31 ,4.106177,53.98524,22.34147,11.64308
twpcmbeC2.c1,2004,08 8:30:00,31 ,4.143543,72.88709,28.29083,18.97981
twpcmbeC2.c1,2004,08 9:30:00,31 ,5.026132,73.00873,35.23372,16.99337
twpcmbeC2.c1,2004,0810:30:00,31 ,3.719857,129.9133,46.41863, 30.1557
twpcmbeC2.c1,2004,0811:30:00,31 ,13.68188,154.6095,62.53712,29.79677
twpcmbeC2.c1,2004,0812:30:00,31 , 8.15334,142.4853,57.13515,31.58696
twpcmbeC2.c1,2004,0813:30:00,31 ,7.751896,154.0803,60.97277,35.21103
twpcmbeC2.c1,2004,0814:30:00,31 ,0.767925,187.7575,64.07997,42.82195
twpcmbeC2.c1,2004,0815:30:00,31 ,1.560264,173.9993,57.10575,36.59134
twpcmbeC2.c1,2004,0816:30:00,31 ,2.177548, 149.664,49.69292,38.38314
twpcmbeC2.c1,2004,0817:30:00,31 ,3.865999,134.6502,35.46329, 24.7132
twpcmbeC2.c1,2004,0818:30:00,31 ,6.980215, 41.8028,22.31486,  8.8706
twpcmbeC2.c1,2004,0819:30:00,31 ,       0,2.152353,0.691619,0.532791
twpcmbeC2.c1,2004,0820:30:00,31 ,       0, 0.01333, 0.00043,0.002394
twpcmbeC2.c1,2004,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2004,0822:30:00,31 ,       0,0.002885,0.000119,0.000534
twpcmbeC2.c1,2004,0823:30:00,31 ,       0,0.002943,0.000159,0.000627