#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
03/20/04 21:03:04 224     ?      28.7    995.6     6.0       710.3   140.1    ?       ?         2.88        0.00  1079845384
03/21/04 02:43:57 224     ?      37.4    960.0    99.5       600.6   149.2    ?       ?         2.83        0.00  1079865837