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 ,2.989234,36.57365,25.90401,8.221784
sgpcmbeC1.c1,2000,09 7:30:00,29 ,6.164365,101.7875,54.66979, 19.3502
sgpcmbeC1.c1,2000,09 8:30:00,29 , 6.93973,119.5711,60.67646,23.91438
sgpcmbeC1.c1,2000,09 9:30:00,29 ,11.80754,158.5913,62.80792,36.57895
sgpcmbeC1.c1,2000,0910:30:00,29 ,9.307544,239.6632,55.52761,50.98921
sgpcmbeC1.c1,2000,0911:30:00,29 ,13.37215,179.3715,50.95595,54.41079
sgpcmbeC1.c1,2000,0912:30:00,29 ,2.719466,234.5447,50.46842,72.01784
sgpcmbeC1.c1,2000,0913:30:00,29 ,10.54995,260.3015,58.92561,72.57334
sgpcmbeC1.c1,2000,0914:30:00,29 ,30.21677,231.3744,67.12588,53.56888
sgpcmbeC1.c1,2000,0915:30:00,29 ,24.65141,210.1978,70.47755,42.53546
sgpcmbeC1.c1,2000,0916:30:00,29 ,10.93129,142.1991,65.58467,23.68485
sgpcmbeC1.c1,2000,0917:30:00,29 ,7.229012,78.42469,55.20278, 14.3571
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.873036,35.79018,18.29933,9.116127
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