datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 5:30:00,31 ,       0,19.33442,9.258361,4.824826
sgpcmbeC1.c1,2000,07 6:30:00,31 ,1.970787,43.25498,16.97482,11.17141
sgpcmbeC1.c1,2000,07 7:30:00,31 ,1.605206,62.70295,18.25222,15.55507
sgpcmbeC1.c1,2000,07 8:30:00,31 ,1.678616,66.75921,22.02231,20.78068
sgpcmbeC1.c1,2000,07 9:30:00,31 ,1.300395,91.41607,23.18079,23.23193
sgpcmbeC1.c1,2000,0710:30:00,31 ,1.256394,117.2797,29.46727,32.24234
sgpcmbeC1.c1,2000,0711:30:00,31 ,1.185538,114.0104,29.13321,27.41477
sgpcmbeC1.c1,2000,0712:30:00,31 ,1.414458,164.3421,35.09021,41.99077
sgpcmbeC1.c1,2000,0713:30:00,31 ,0.910687,138.2931,35.95665,37.87349
sgpcmbeC1.c1,2000,0714:30:00,31 ,1.537725,189.0001,29.50254,39.81698
sgpcmbeC1.c1,2000,0715:30:00,31 ,1.859512,76.88305,17.29469,17.42801
sgpcmbeC1.c1,2000,0716:30:00,31 ,2.363331,48.09193, 17.4032,12.19095
sgpcmbeC1.c1,2000,0717:30:00,31 ,4.470077,43.05059,15.57219,11.97323
sgpcmbeC1.c1,2000,0718:30:00,31 ,6.482889,47.45183,15.50255,9.040775
sgpcmbeC1.c1,2000,0719:30:00,31 ,3.631217, 21.9186,12.94072,3.742924
sgpcmbeC1.c1,2000,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0723:30:00,31 ,       0,       0,       0,       0