#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
04/16/04 16:40:59 224     ?       7.9     35.7     0.5        32.9     1.9    ?       ?         2.04        0.00  1082158859