datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,09 6:30:00,29 ,       0,0.999853,0.252438,0.238688
sgpcmbeC1.c1,2005,09 7:30:00,29 ,0.004221,0.995258,0.253486,0.304097
sgpcmbeC1.c1,2005,09 8:30:00,29 ,0.002513,0.999521,0.314379,0.328714
sgpcmbeC1.c1,2005,09 9:30:00,29 ,0.000522,0.999929,0.291459,0.341858
sgpcmbeC1.c1,2005,0910:30:00,30 ,0.000385,0.998162,0.287207,0.341438
sgpcmbeC1.c1,2005,0911:30:00,29 ,0.000024,0.999591,0.235823,0.326433
sgpcmbeC1.c1,2005,0912:30:00,30 ,0.000013,0.999988, 0.24495,0.353873
sgpcmbeC1.c1,2005,0913:30:00,30 , 1.02E-6, 0.99999,0.231174,0.359806
sgpcmbeC1.c1,2005,0914:30:00,30 , 0.00011,0.999994,0.223002,0.315118
sgpcmbeC1.c1,2005,0915:30:00,30 ,0.000096,0.999909,0.256164,0.339482
sgpcmbeC1.c1,2005,0916:30:00,30 , 0.00023,0.999835,0.278132, 0.37861
sgpcmbeC1.c1,2005,0917:30:00,30 ,0.000011,0.993931,0.254397,0.333332
sgpcmbeC1.c1,2005,0918:30:00,19 ,       0,0.744226,0.195743,0.248024
sgpcmbeC1.c1,2005,0919:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0920:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0921:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0922:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0923:30:00,0 ,       .,       .,       .,       .