datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,08 6:30:00,31 ,0.003347,0.999898,0.456557,0.440112
sgpcmbeC1.c1,2004,08 7:30:00,31 ,0.001935,       1,0.511872,0.443807
sgpcmbeC1.c1,2004,08 8:30:00,31 ,0.001293,       1,0.488803,0.451877
sgpcmbeC1.c1,2004,08 9:30:00,31 ,0.000814,       1,0.484074,0.454029
sgpcmbeC1.c1,2004,0810:30:00,31 ,0.000725,       1,0.412188,  0.4302
sgpcmbeC1.c1,2004,0811:30:00,31 ,0.000786,       1,0.382912, 0.42005
sgpcmbeC1.c1,2004,0812:30:00,31 ,0.001055,       1,0.363824,0.402385
sgpcmbeC1.c1,2004,0813:30:00,31 ,0.001725, 0.99998,0.364217,0.375185
sgpcmbeC1.c1,2004,0814:30:00,31 ,0.001767,0.997582,0.379399,0.358389
sgpcmbeC1.c1,2004,0815:30:00,31 ,0.002174,0.995583,0.361441,0.381128
sgpcmbeC1.c1,2004,0816:30:00,31 ,0.002093, 0.99664,0.321348,0.375052
sgpcmbeC1.c1,2004,0817:30:00,31 ,0.003315,0.994457,0.292782, 0.38415
sgpcmbeC1.c1,2004,0818:30:00,31 ,0.007122,0.988427,0.229166,0.312175
sgpcmbeC1.c1,2004,0819:30:00,5 ,0.005261,0.015605,0.011752,0.003983
sgpcmbeC1.c1,2004,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0823:30:00,0 ,       .,       .,       .,       .