datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,07 0:30:00,31 ,       0,0.187476,0.006264,0.033653
sgpcmbeC1.c1,1997,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,07 3:30:00,31 ,       0,0.146849,0.004737,0.026375
sgpcmbeC1.c1,1997,07 4:30:00,31 ,       0,0.024894,0.000803,0.004471
sgpcmbeC1.c1,1997,07 5:30:00,31 ,0.006302,12.02408,2.864058,3.552873
sgpcmbeC1.c1,1997,07 6:30:00,31 ,0.029009,46.94212,25.25108, 17.7236
sgpcmbeC1.c1,1997,07 7:30:00,31 ,0.024275,160.7747,48.28218,37.21697
sgpcmbeC1.c1,1997,07 8:30:00,31 ,0.053933,162.0911,56.55275, 40.4532
sgpcmbeC1.c1,1997,07 9:30:00,31 ,0.089003,146.4233,54.77957,33.40081
sgpcmbeC1.c1,1997,0710:30:00,31 ,0.389378,274.1621,87.07568,72.52586
sgpcmbeC1.c1,1997,0711:30:00,31 ,0.964948, 337.551,116.7705,108.5366
sgpcmbeC1.c1,1997,0712:30:00,31 ,2.679379,252.8744,86.37113,94.92558
sgpcmbeC1.c1,1997,0713:30:00,31 ,1.238488,308.2457,119.8824,104.5715
sgpcmbeC1.c1,1997,0714:30:00,31 ,0.670606,230.9783,82.82121,65.85855
sgpcmbeC1.c1,1997,0715:30:00,31 , 0.22903, 197.709, 83.9101,50.51054
sgpcmbeC1.c1,1997,0716:30:00,31 ,0.042869, 183.695,67.52143,43.59672
sgpcmbeC1.c1,1997,0717:30:00,31 ,0.269359,150.2393,58.21111,29.65515
sgpcmbeC1.c1,1997,0718:30:00,31 ,0.019885,71.53898,34.85968,19.86327
sgpcmbeC1.c1,1997,0719:30:00,31 ,       0,18.81522,7.329908,5.829886
sgpcmbeC1.c1,1997,0720:30:00,31 ,       0,0.013773,0.000747,0.002947
sgpcmbeC1.c1,1997,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,0722:30:00,31 ,       0,0.091842,0.002963,0.016495
sgpcmbeC1.c1,1997,0723:30:00,31 ,       0,0.112037,0.003614,0.020122