datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 6:30:00,29 , 2.96168,20.17154,14.31984,4.513824
sgpcmbeC1.c1,2000,09 7:30:00,29 ,5.897136,39.59415,15.63455,9.757425
sgpcmbeC1.c1,2000,09 8:30:00,29 ,2.948997,54.70673, 11.9057,12.40106
sgpcmbeC1.c1,2000,09 9:30:00,29 ,1.223236,80.00354,13.62333,19.00328
sgpcmbeC1.c1,2000,0910:30:00,29 ,1.113313,73.57162,16.09485,21.14863
sgpcmbeC1.c1,2000,0911:30:00,29 ,0.619968,44.65269,12.84028,14.51601
sgpcmbeC1.c1,2000,0912:30:00,29 ,0.670871,62.40567,15.55371, 19.3699
sgpcmbeC1.c1,2000,0913:30:00,29 ,0.638308,69.08106,15.97363,20.92418
sgpcmbeC1.c1,2000,0914:30:00,29 ,1.030965,59.81186,14.08764,16.06956
sgpcmbeC1.c1,2000,0915:30:00,29 ,1.644681,38.59672,11.51395,11.01292
sgpcmbeC1.c1,2000,0916:30:00,29 ,2.886178,34.95137,11.62343, 9.04132
sgpcmbeC1.c1,2000,0917:30:00,29 ,7.208391,30.06637,14.02546,6.117895
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.872736,20.00486,11.10701,5.167313
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,       0,       0,       0