datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,08 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,08 1:30:00,31 ,       0,0.004647, 0.00015,0.000835
twpcmbeC2.c1,2005,08 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,08 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,08 4:30:00,31 ,       0, 0.00787,0.000254,0.001413
twpcmbeC2.c1,2005,08 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,08 6:30:00,31 ,       0,3.928424,1.940448,0.967711
twpcmbeC2.c1,2005,08 7:30:00,31 ,2.118051,109.5738,24.77642,18.72419
twpcmbeC2.c1,2005,08 8:30:00,30 ,1.283577,99.18873,23.15047, 23.1914
twpcmbeC2.c1,2005,08 9:30:00,31 ,4.558058,161.3285,38.88475,30.99393
twpcmbeC2.c1,2005,0810:30:00,31 ,5.317689,195.1259,48.47624,36.77307
twpcmbeC2.c1,2005,0811:30:00,31 ,3.466181,241.2235,57.20265,42.19369
twpcmbeC2.c1,2005,0812:30:00,31 ,14.82315,226.5664,64.97371,39.86949
twpcmbeC2.c1,2005,0813:30:00,31 ,15.65937,168.5313, 58.5883,29.02334
twpcmbeC2.c1,2005,0814:30:00,31 ,3.736002,201.2072,56.23879,49.13019
twpcmbeC2.c1,2005,0815:30:00,31 ,5.472989,178.1382,42.64196,33.22816
twpcmbeC2.c1,2005,0816:30:00,31 ,2.857736,137.2902,32.80793,28.29548
twpcmbeC2.c1,2005,0817:30:00,31 ,5.193039,  56.655,24.84625,14.29312
twpcmbeC2.c1,2005,0818:30:00,31 ,9.393286,62.01957,24.50166,10.37642
twpcmbeC2.c1,2005,0819:30:00,31 ,0.311643,1.775729,0.821732,0.352977
twpcmbeC2.c1,2005,0820:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,0822:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,0823:30:00,31 ,       0,       0,       0,       0