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Monthly log files: Difference between revisions
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→Using Monthly logs to deal with shorter (or incomplete) dayfile.txt records for particular dates
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Second example: records imported prior to Cumulus processing them, so some calculated parameters (apparent temperature, heat index, rain rate, wind run) may not have been available from your weather station to insert in the log files.
''One method '''for Cumulus 1 only''' is (not near rollover time) to (1) take a copy of dayfile.txt original as backup, (2) in original file delete any days with partial information (e.g. from Cumulus versions that created fewer fields), (3) use ''create missing'' in the [[dayfile.txt]] selection in the '''Edit''' menu option of Cumulus (note whilst datafile.txt normally calculates all parameters like minimums and maximums from very frequent samples of your weather station, the resolution of create missing is limited to the interval between logging records in the monthly log), (4) rename the amended dayfile.txt as dayfile(generated).txt, (5) create a new dayfile.txt and (6) use a text editor to merge the required fields from the new dayfile(generated).txt with all other fields from (with reading access only) the backup copy of the original file. (This method preserves the original as a backup so you can experiment with different merges and do some cross-checking).''
'''Cumulus MX''' If you use the facility mentioned earlier in this article to have MX updating the monthly logs into a database table, you can fairly easily update columns in this monthly table, and from it update columns in a daily summary table. See [https://cumulus.hosiene.co.uk/viewtopic.php?f=18&t=18096 this post in support forum] where I describe two PHP scripts designed for this type of task.
==List of fields in the file==
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