Hallo Hartmut,
The issue you are having is the location of the $data_binding parameter.
Because you are using a for statement you need to apply the $data_binding
parameter to .months in the for statement. eg
#for $month in $year.months($data_binding='wd_binding')
<tr>
<td>$month.dateTime.format($YM)</td>
#if $month.outTempDay.max.raw is not None:
#if $month.outTempDay.max.raw < -51
....
#end for
The limitation you will run into though is that if you have two databases
(ie two bindings) you will only be able to use one or the other database
with the $month tag within the for statement.
Gary
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