#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
03/15/04 23:04:41 224     ?      45.9    847.3    15.6       458.5     0.1    ?       ?        35.16        0.00