ColdFusion Server 5: The CFGRAPH Tag Does Not Generate Graphs When A Date or Time Value Is Used For the valueColumn Attribute
With Macromedia ColdFusion Server 5, when you use a date or time value for the valueColumn attribute in the CFGRAPH tag, the graph does not generate and all values are converted to zero. No error message occurs. This TechNote describes a workaround for this issue.