datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,04 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,04 6:30:00,30 ,0.013185,0.998639,0.421047, 0.39915
sgpcmbeC1.c1,2004,04 7:30:00,30 ,0.003522,0.999933,0.519731,0.458099
sgpcmbeC1.c1,2004,04 8:30:00,30 ,0.002206,0.999996,0.501723,0.461846
sgpcmbeC1.c1,2004,04 9:30:00,30 , 0.00286,       1, 0.51594,0.457928
sgpcmbeC1.c1,2004,0410:30:00,30 ,0.002158,       1,0.475062,0.435641
sgpcmbeC1.c1,2004,0411:30:00,30 ,0.002055,       1,0.455956,0.446695
sgpcmbeC1.c1,2004,0412:30:00,30 ,0.000701,       1,  0.4847,0.465401
sgpcmbeC1.c1,2004,0413:30:00,30 , 0.00368,0.999832,0.547376,0.456166
sgpcmbeC1.c1,2004,0414:30:00,30 ,0.005499,0.999513,0.558094,0.444713
sgpcmbeC1.c1,2004,0415:30:00,30 ,0.003502,0.999024,0.543073,0.438987
sgpcmbeC1.c1,2004,0416:30:00,30 ,0.004614,0.996758,0.531363,0.442072
sgpcmbeC1.c1,2004,0417:30:00,30 ,0.006951, 0.99753,0.513674,0.453017
sgpcmbeC1.c1,2004,0418:30:00,30 , 0.00834,0.994624,0.441554,0.441722
sgpcmbeC1.c1,2004,0419:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0420:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0421:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0422:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0423:30:00,0 ,       .,       .,       .,       .