datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 5:30:00,30 ,       0,17.67333,4.387962,5.404891
sgpcmbeC1.c1,2000,06 6:30:00,30 ,       0,64.17056,25.26947,22.25171
sgpcmbeC1.c1,2000,06 7:30:00,30 ,0.050567,116.3967,41.34637,38.72805
sgpcmbeC1.c1,2000,06 8:30:00,30 ,       0,196.6858,51.88477,58.49777
sgpcmbeC1.c1,2000,06 9:30:00,30 , 0.21719,194.2738,61.96705,57.79075
sgpcmbeC1.c1,2000,0610:30:00,30 ,0.153054,320.4224,80.48205,91.77601
sgpcmbeC1.c1,2000,0611:30:00,30 ,0.290128,352.6248,94.76604,103.5597
sgpcmbeC1.c1,2000,0612:30:00,30 ,0.086373,373.8667,144.5544,126.2772
sgpcmbeC1.c1,2000,0613:30:00,30 ,0.574618,329.2715,123.0935,117.5511
sgpcmbeC1.c1,2000,0614:30:00,30 ,       0,296.0614,126.0182,106.1428
sgpcmbeC1.c1,2000,0615:30:00,30 ,0.554577,264.1965,113.9117,87.83852
sgpcmbeC1.c1,2000,0616:30:00,30 ,0.240403,200.5864,98.74827,66.02755
sgpcmbeC1.c1,2000,0617:30:00,30 ,       0,148.8652, 62.6728,35.59011
sgpcmbeC1.c1,2000,0618:30:00,30 ,       0,70.81656,  29.437,21.10861
sgpcmbeC1.c1,2000,0619:30:00,30 ,       0,22.68757,6.455027,6.589751
sgpcmbeC1.c1,2000,0620:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0623:30:00,30 ,       0,       0,       0,       0