datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,20 ,1.057094,3.964568,2.542182,0.931872
sgpcmbeC1.c1,2001,09 1:30:00,19 ,1.039593,4.033351,2.515958,0.965739
sgpcmbeC1.c1,2001,09 2:30:00,18 ,1.031013,4.056648,2.552863,0.978839
sgpcmbeC1.c1,2001,09 3:30:00,18 ,0.997513,4.066313, 2.55214, 0.98806
sgpcmbeC1.c1,2001,09 4:30:00,18 ,1.005173, 4.19785,2.595345,1.034992
sgpcmbeC1.c1,2001,09 5:30:00,18 ,0.966552, 4.57057,2.641517, 1.10908
sgpcmbeC1.c1,2001,09 6:30:00,16 ,0.981049,4.690273,2.680926,1.121242
sgpcmbeC1.c1,2001,09 7:30:00,17 ,0.971031,5.051525,2.702368,1.148147
sgpcmbeC1.c1,2001,09 8:30:00,24 ,0.934734,4.863364,2.575986,1.167978
sgpcmbeC1.c1,2001,09 9:30:00,24 ,0.905741,4.785764,2.675027,1.138004
sgpcmbeC1.c1,2001,0910:30:00,25 ,0.880772,4.633342,2.655068,1.103453
sgpcmbeC1.c1,2001,0911:30:00,25 ,0.873637,4.636612,2.634355,1.069888
sgpcmbeC1.c1,2001,0912:30:00,24 ,0.918562,4.548268,2.655566,1.011269
sgpcmbeC1.c1,2001,0913:30:00,22 ,0.880842,4.658602,2.572162,0.991182
sgpcmbeC1.c1,2001,0914:30:00,23 ,0.857331,4.826872,2.645286,1.053737
sgpcmbeC1.c1,2001,0915:30:00,24 ,0.784593,4.960101, 2.59262,1.149498
sgpcmbeC1.c1,2001,0916:30:00,24 , 0.77807,4.886117,2.618014,1.138174
sgpcmbeC1.c1,2001,0917:30:00,23 ,0.795649, 4.40152,2.533722,1.078566
sgpcmbeC1.c1,2001,0918:30:00,22 ,0.907264,4.267076, 2.46087,1.022786
sgpcmbeC1.c1,2001,0919:30:00,22 ,0.877291,4.406415,2.448566,1.002581
sgpcmbeC1.c1,2001,0920:30:00,22 , 0.87811,4.321623,2.472276,1.021289
sgpcmbeC1.c1,2001,0921:30:00,22 ,0.913978,4.275451,  2.4478,1.019555
sgpcmbeC1.c1,2001,0922:30:00,20 ,0.884348,4.318149,2.391189,0.961152
sgpcmbeC1.c1,2001,0923:30:00,20 ,0.894637,4.129906,2.409958,0.982785