datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 5:30:00,30 ,       0,11.40693,2.257401,3.698032
sgpcmbeC1.c1,2007,06 6:30:00,30 ,       0,127.3481,28.96323,41.13205
sgpcmbeC1.c1,2007,06 7:30:00,30 ,0.055599,305.4004,81.16684,103.9179
sgpcmbeC1.c1,2007,06 8:30:00,30 ,0.023491,494.9679,171.0159,171.4532
sgpcmbeC1.c1,2007,06 9:30:00,30 ,0.194611,655.7219, 206.023,226.9517
sgpcmbeC1.c1,2007,0610:30:00,29 ,0.070175,792.4005,331.9184,289.1117
sgpcmbeC1.c1,2007,0611:30:00,29 , 0.02359,877.2102,372.5014,328.8513
sgpcmbeC1.c1,2007,0612:30:00,29 ,0.234985,911.9733, 388.354,342.8137
sgpcmbeC1.c1,2007,0613:30:00,28 ,0.036591,872.3777,357.6953,326.6312
sgpcmbeC1.c1,2007,0614:30:00,29 , 0.00362,781.0825,327.2994,285.1084
sgpcmbeC1.c1,2007,0615:30:00,29 ,0.202934,647.6833,276.9105, 201.861
sgpcmbeC1.c1,2007,0616:30:00,30 ,0.064747,479.8497,176.1699,164.7664
sgpcmbeC1.c1,2007,0617:30:00,30 ,       0,288.4973,85.18948,96.30511
sgpcmbeC1.c1,2007,0618:30:00,30 ,       0,123.1386,37.64377,43.74164
sgpcmbeC1.c1,2007,0619:30:00,30 ,       0,15.10806,3.982107,4.391893
sgpcmbeC1.c1,2007,0620:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0621:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0622:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0623:30:00,29 ,       0,       0,       0,       0