#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
05/08/04 18:17:54 224     ?      12.0   1000.0     0.0       879.8    50.3    ?       ?         3.38        0.00
05/09/04 02:06:57 224     ?      14.0    981.3    43.2       844.4    32.9    ?       ?         3.57        0.00