#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp tdiff
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
06/29/2004 21:25:20 224     ?       4.4    998.5     1.2       954.2   171.1    ?       ?         0.37        0.00  1088569520 412
07/02/2004 23:50:41 224     ?      89.9    995.0     5.8       100.3     5.6    ?       ?       156.90        0.00  1088837441 159
07/03/2004 21:23:04 224     ?       0.0    885.9   293.5       100.2     1.9   100.3     5.6       3.79       0.01 1088914984 160