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 ,0.018963,19.46869,9.538383,5.584891
sgpcmbeC1.c1,2000,09 7:30:00,29 ,0.057608,161.1864,102.6862,52.91286
sgpcmbeC1.c1,2000,09 8:30:00,29 ,       0,359.7756,240.3297,116.6235
sgpcmbeC1.c1,2000,09 9:30:00,29 ,0.206665,535.7412,386.3859,173.1065
sgpcmbeC1.c1,2000,0910:30:00,29 ,0.457382,675.8788,518.0263,180.3017
sgpcmbeC1.c1,2000,0911:30:00,29 ,0.645157,759.5955,592.3702, 206.132
sgpcmbeC1.c1,2000,0912:30:00,29 ,0.974564,788.8036,614.6924,199.6798
sgpcmbeC1.c1,2000,0913:30:00,29 , 0.41597,766.8058,567.7014,207.2336
sgpcmbeC1.c1,2000,0914:30:00,29 ,0.325943,642.3543,496.1995,179.9392
sgpcmbeC1.c1,2000,0915:30:00,29 ,0.067032,498.4522,376.6512,133.5346
sgpcmbeC1.c1,2000,0916:30:00,29 ,0.005543,319.8439,230.6301,88.67326
sgpcmbeC1.c1,2000,0917:30:00,29 , 0.00246,132.9555,89.26655, 35.9226
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.000083,17.41465,6.272492,5.136608
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