#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp tdiff
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
07/02/2004 18:03:33 224     ?      48.9    720.6     6.2       368.5     0.9    ?       ?        79.71        0.00  1088816613 173
07/02/2004 21:11:33 224     ?       0.1    677.9   115.4       368.3     0.1   368.5     0.9       3.79       0.46 1088827893 169