#date    time    tmajor tminor %change histmean   histsd    trmean   trstd  almean   alstd    F1    F2	timestamp tdiff
#F1 = (histmean-trigmean)/sqrt((histsd**2+trigsd**2)/2)
08/26/2004 03:07:46 224     ?      10.8    498.0    11.5       444.2    28.1    ?       ?         2.51        0.00  1093514866 215
08/30/2004 13:09:17 224     ?      13.3    501.6    11.5       434.9    32.2    ?       ?         2.76        0.00  1093896557 191
09/03/2004 15:04:38 224     ?      13.4    498.5    12.0       431.8    34.6    ?       ?         2.57        0.00  1094249078 193
09/08/2004 13:49:04 224     ?      11.9    498.2    10.8       438.8    24.7    ?       ?         3.11        0.00  1094676544 178