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FAQ: Difference between revisions
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→(Invented rain and) Rain Counter: new sub-answer (text taken from forum answer by Steve)
(→(Invented rain and) Rain Counter: new sub-answer (text taken from forum answer by Steve)) |
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To see the previous value for all-time records see [[Alltimelog.txt]]. If your all-time records, or month-by-month all-time records have been affected, in Cumulus 1 you can use the built-in editors (in Cumulus MX, use any external text editor). The Cumulus 1 editors can fetch the correct values after you have corrected dayfile.txt.
=== (Invented rain and) Rain Counter ===
Cumulus uses a counter supplied by the station to determine its rainfall data (exactly what that counter is, depends on the type of station). A search of the forum will help for your particular model, for example for some models there might be a counter that represents rain since station bought (or since it was reset), for some stations Cumulus will use an annual total supplied by the station (that resets each new year).
If the rain counter is reset by the station for some unexpected reason, you will have to accept that, and let Cumulus handle it - it does its best to cope when the rain counter changes unexpectedly. Assuming it doesn't change unexpectedly again, you should find that the rain figure is only affected for one day, and then you can amend if necessary subsequently as per other sub-answers here. You can see the counter value being used by Cumulus labelled "raindaystart=" in the diagnostics file (for cumulus 1 - "Cumulus\Diags\cumulus1.009") and labelled "start=" in "Cumulus\data\today.ini".
=== (Invented rain and) Other rain figures ===
Note that other rain figures, such as 'rain last hour', 'rain last 24 hours' and 'rain since midnight' depend on a sensible progression of the rain counter described in previous sub-answer, so it's not easy to correct this; it
If you really do want to try to correct these other rain figures; you would need to stop Cumulus, then find (for the period in question), the correct [[monthly_log_files|monthly log file]] field 11 (assuming date is field 0), which stores the Cumulus 'rain counter' values, and edit so they are correct relative to the current value of the rain counter (i.e. the latest one logged).
=== (Invented rain) Error prevention by Spike removal ===
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