#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
03/26/04 02:55:55 224     ?       6.8    988.8     8.1       921.6    41.1    ?       ?         2.27        0.00  1080298555
03/29/04 23:01:14 224     ?       9.7    983.3    12.6       888.3    65.6    ?       ?         2.01        0.00  1080630074