datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 5:30:00,29 ,       0,0.413978,0.014275,0.076874
sgpcmbeC1.c1,2003,09 6:30:00,30 ,0.816239,33.39369,13.88444,7.542048
sgpcmbeC1.c1,2003,09 7:30:00,30 ,3.004857,39.67384,17.89605, 11.6468
sgpcmbeC1.c1,2003,09 8:30:00,30 ,1.516915,59.85938,17.79617,15.01833
sgpcmbeC1.c1,2003,09 9:30:00,30 , 1.22456,73.68037,23.02283,20.93736
sgpcmbeC1.c1,2003,0910:30:00,30 ,0.527557,153.4993,33.86297,36.42762
sgpcmbeC1.c1,2003,0911:30:00,30 ,0.812852,109.9952,31.48187,31.06016
sgpcmbeC1.c1,2003,0912:30:00,30 ,0.797213,136.0649,34.05635,36.86999
sgpcmbeC1.c1,2003,0913:30:00,30 ,1.105343,98.84356,31.14403, 29.5825
sgpcmbeC1.c1,2003,0914:30:00,30 , 0.87004,117.3948,31.96554,30.93282
sgpcmbeC1.c1,2003,0915:30:00,30 ,0.947261,111.1142,24.50852, 25.6219
sgpcmbeC1.c1,2003,0916:30:00,30 ,2.709644,65.76572,19.73229,16.79491
sgpcmbeC1.c1,2003,0917:30:00,30 , 2.19852,55.63724,20.49412,14.66568
sgpcmbeC1.c1,2003,0918:30:00,30 ,       0,30.10993,11.60843,6.614399
sgpcmbeC1.c1,2003,0919:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0920:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0921:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0922:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0923:30:00,30 ,       0,       0,       0,       0