datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 6:30:00,31 ,       0,5.578159,1.486937,1.459057
sgpcmbeC1.c1,2007,10 7:30:00,31 ,0.226357,45.09533,28.39415,11.97466
sgpcmbeC1.c1,2007,10 8:30:00,31 ,1.285134,89.21339,65.86767,24.03771
sgpcmbeC1.c1,2007,10 9:30:00,31 ,0.522942,124.2415,98.20311, 31.8333
sgpcmbeC1.c1,2007,1010:30:00,31 ,1.176005,149.0609,121.1231,36.26936
sgpcmbeC1.c1,2007,1011:30:00,31 ,1.369223,162.0798,128.3596,44.11053
sgpcmbeC1.c1,2007,1012:30:00,31 ,13.30866,164.5972,127.8475,45.72412
sgpcmbeC1.c1,2007,1013:30:00,31 ,17.99163,156.8997,123.4477,38.17951
sgpcmbeC1.c1,2007,1014:30:00,31 ,30.54757,139.2554, 110.131,29.50782
sgpcmbeC1.c1,2007,1015:30:00,31 ,13.03001,112.9699,78.75765,26.97612
sgpcmbeC1.c1,2007,1016:30:00,31 ,10.19324,74.95684,47.21276,16.37518
sgpcmbeC1.c1,2007,1017:30:00,31 ,       0,26.96316,12.56869,7.538536
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,0.280837,0.024542,0.066346
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,       0,       0,       0