datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 5:30:00,31 ,       0,6.369123,1.942253,1.838551
sgpcmbeC1.c1,1999,07 6:30:00,31 ,       0,103.6859,51.11659,34.83091
sgpcmbeC1.c1,1999,07 7:30:00,31 ,0.059935,276.8411,169.0969,94.50884
sgpcmbeC1.c1,1999,07 8:30:00,31 ,0.364649,463.8845, 337.585,143.6007
sgpcmbeC1.c1,1999,07 9:30:00,31 ,1.426788,636.5771,491.3937,167.4815
sgpcmbeC1.c1,1999,0710:30:00,31 ,12.26544,767.3005,591.9875,205.3591
sgpcmbeC1.c1,1999,0711:30:00,31 ,70.51178,839.8738,675.5521,220.0415
sgpcmbeC1.c1,1999,0712:30:00,31 ,18.07925,879.5881,688.6282,211.8199
sgpcmbeC1.c1,1999,0713:30:00,31 ,5.614929,836.8575,653.8991,190.3056
sgpcmbeC1.c1,1999,0714:30:00,31 ,76.66571,757.6425,589.5241,162.7976
sgpcmbeC1.c1,1999,0715:30:00,31 ,99.98697,634.1821,514.9366,126.2024
sgpcmbeC1.c1,1999,0716:30:00,31 ,48.50604,478.2146,382.1982,93.30206
sgpcmbeC1.c1,1999,0717:30:00,31 ,35.11583,301.1771,235.3676,61.00657
sgpcmbeC1.c1,1999,0718:30:00,31 ,0.083252,129.5952,85.22379,31.97652
sgpcmbeC1.c1,1999,0719:30:00,31 ,       0,17.68456,6.784875,4.360209
sgpcmbeC1.c1,1999,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0723:30:00,31 ,       0,       0,       0,       0