#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp tdiff
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
07/06/2004 12:51:43 224     ?      30.3    613.4    16.5       427.8     0.9    ?       ?        15.86        0.00  1089143503 157
07/06/2004 15:52:01 224     ?       0.1    591.0    62.6       427.5     2.8   427.8     0.9       3.69       0.16 1089154321 156