datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,30 ,341.2494,464.8611,393.5675,28.99888
sgpcmbeC1.c1,2006,09 1:30:00,30 ,339.7643,464.4124,391.5929,30.28289
sgpcmbeC1.c1,2006,09 2:30:00,30 ,336.6517,  454.31,387.4589,29.54122
sgpcmbeC1.c1,2006,09 3:30:00,30 , 338.006,434.5938,384.0135,26.59054
sgpcmbeC1.c1,2006,09 4:30:00,30 , 334.675,432.8737,381.7665,26.36125
sgpcmbeC1.c1,2006,09 5:30:00,30 ,334.0109,429.1979,378.6892, 26.1281
sgpcmbeC1.c1,2006,09 6:30:00,30 , 337.633,429.8806,379.7557,24.93225
sgpcmbeC1.c1,2006,09 7:30:00,30 ,358.9676,449.7854,396.3898,20.46383
sgpcmbeC1.c1,2006,09 8:30:00,30 ,385.8932,477.2464,422.3591,20.19444
sgpcmbeC1.c1,2006,09 9:30:00,30 ,390.7082,502.6598,450.9744,28.09941
sgpcmbeC1.c1,2006,0910:30:00,30 ,396.3829,535.2795,474.8728,35.58383
sgpcmbeC1.c1,2006,0911:30:00,30 ,404.1093,550.1359,491.9969,37.74836
sgpcmbeC1.c1,2006,0912:30:00,30 ,417.3366,564.3889,502.4492,37.74378
sgpcmbeC1.c1,2006,0913:30:00,30 ,441.5731,575.2255,507.1149,36.80543
sgpcmbeC1.c1,2006,0914:30:00,30 ,436.8562,555.5493,502.0234,30.78567
sgpcmbeC1.c1,2006,0915:30:00,30 ,436.8581,540.2648,490.3921,26.81354
sgpcmbeC1.c1,2006,0916:30:00,30 ,427.1805,514.5109,472.6604,23.07289
sgpcmbeC1.c1,2006,0917:30:00,30 , 398.307,500.6671,451.6479,21.84666
sgpcmbeC1.c1,2006,0918:30:00,30 ,356.0259,486.3266,427.3835,25.46418
sgpcmbeC1.c1,2006,0919:30:00,30 ,348.1812,476.8618,414.0358,27.30983
sgpcmbeC1.c1,2006,0920:30:00,30 ,348.6579,467.3755,407.4696,27.18314
sgpcmbeC1.c1,2006,0921:30:00,30 ,349.4392,467.7075,402.2192,26.78491
sgpcmbeC1.c1,2006,0922:30:00,30 ,341.6867,467.0811,399.3304,26.46677
sgpcmbeC1.c1,2006,0923:30:00,30 ,349.8799,464.6558,396.7779,26.22604