datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,08 6:30:00,3 ,0.109922,0.991067,0.452304,0.472259
sgpcmbeC1.c1,2007,08 7:30:00,3 ,0.086461,0.962971,0.606759,0.460718
sgpcmbeC1.c1,2007,08 8:30:00,3 ,0.086365,0.380355, 0.26642,0.157754
sgpcmbeC1.c1,2007,08 9:30:00,3 ,0.044288,0.162651,0.113936,0.061896
sgpcmbeC1.c1,2007,0810:30:00,3 ,0.018224,0.219803,0.093665,0.109937
sgpcmbeC1.c1,2007,0811:30:00,3 , 0.01795,0.343574,0.227781,0.182044
sgpcmbeC1.c1,2007,0812:30:00,4 ,0.001815,0.747052,0.331665,0.308611
sgpcmbeC1.c1,2007,0813:30:00,4 ,0.001163,0.941941, 0.50947,0.500855
sgpcmbeC1.c1,2007,0814:30:00,4 , 0.00226,0.999502, 0.46245,0.500665
sgpcmbeC1.c1,2007,0815:30:00,4 ,0.008616,0.895712,0.383539,0.418906
sgpcmbeC1.c1,2007,0816:30:00,4 ,0.026761,0.341379,0.180501, 0.15928
sgpcmbeC1.c1,2007,0817:30:00,4 ,0.035958,0.425465,0.207254,0.188664
sgpcmbeC1.c1,2007,0818:30:00,4 ,0.022407, 0.21401,0.074326,0.093393
sgpcmbeC1.c1,2007,0819:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,0823:30:00,0 ,       .,       .,       .,       .