datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,07 4:30:00,31 ,       0,0.053208, 0.00181,0.009553
sgpcmbeC1.c1,2005,07 5:30:00,31 ,0.013739,9.399837,3.541247,2.016786
sgpcmbeC1.c1,2005,07 6:30:00,31 ,1.256453,44.63683,28.78762,11.13732
sgpcmbeC1.c1,2005,07 7:30:00,31 ,18.77597, 88.0003,66.68422,20.46417
sgpcmbeC1.c1,2005,07 8:30:00,31 ,57.00115,124.5978,101.6031,19.67451
sgpcmbeC1.c1,2005,07 9:30:00,31 ,66.91799, 150.629,129.5089,20.21253
sgpcmbeC1.c1,2005,0710:30:00,31 ,59.93987,161.6974,141.3303,24.32427
sgpcmbeC1.c1,2005,0711:30:00,31 ,41.34705,169.1797,152.9272,23.55843
sgpcmbeC1.c1,2005,0712:30:00,31 ,54.12416,170.9792,152.5917,21.92135
sgpcmbeC1.c1,2005,0713:30:00,31 ,52.00802, 165.004,148.0626,21.20437
sgpcmbeC1.c1,2005,0714:30:00,31 ,25.11195,156.3765, 136.251,27.18956
sgpcmbeC1.c1,2005,0715:30:00,31 ,15.33292,141.1425,116.9344,32.57924
sgpcmbeC1.c1,2005,0716:30:00,31 ,7.352077,117.3113,94.38493,33.01508
sgpcmbeC1.c1,2005,0717:30:00,31 ,5.147005,88.49571,69.48697,23.65114
sgpcmbeC1.c1,2005,0718:30:00,31 ,3.539066,48.75069,36.54968,12.94242
sgpcmbeC1.c1,2005,0719:30:00,31 ,0.761075,20.74012,9.269227,4.794219
sgpcmbeC1.c1,2005,0720:30:00,31 ,       0,0.098422,0.003175,0.017677
sgpcmbeC1.c1,2005,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,0723:30:00,31 ,       0,0.017558,0.000566,0.003154