#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
04/29/04 03:21:24 224     ?      81.0    991.8    11.9       188.3   258.9    ?       ?         4.38        0.00