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I am running LibreOffice and am using a spreadsheet to enable me to draw graphs based on rainfall received per year, up until the date prior to today. The figures also allow me to compare current rainfall to date to the same period in a previous year. I agree I should probably use Base but I do not think it would have solved the issue.

**Example Data***,,,,,

Assuming today is Apr 2nd, a formula to count how many days of rain there were in the current month would be =COUNTIF($F$2:$F2,">0"). The Total amount of rain that fell on that number of days, being 1, was 1mm, or taking it further 60% of the average rainfall to date for the month.

Assuming today is Apr 27, a formula to count how many days of rain there were in the current month is unknown, especially as there are undoubtedly values in the other un-shown 81 cells i.e. 3yrs and 27 remaining days?

Basically take the starting cell reference $F$2 and add the number of events that were ">0" to get the end reference for the COUNTIF formula.

=COUNTIF($F$2:Add number of items ">0" to the starting line reference 2, to get the end of the COUNTIF range) i.e. being Apr 27, whilst there may be 26 days between the beginning of Apr and today i.e. Today()-1, there are only two instances in the above table where ">0" for a particular year, thus making 2 the number of days it rained, to receive the SUM of the 2018 rainfall being 21mm

I have Googled silly but my GFu is lacking something as the solution evades me, even after reading the LibreOffice help files.

For reference the formula to count the number of days from 1st Apr to Yesterday:

I have uploaded the file to <> for folk to view. quite willing to upload the spreadsheet

I will need to re-write at least 36 formulae being one for each month of three years, but then hopefully I can leave column AC and concentrate on entering the data correctly and optimising the graphs.

Ideally I think I need a formula to give me the number of days between $F$2 and 'TODAY() -1' and add that number to the cell reference to create the end of the COUNTIF range.

I hope you can point me in a direction that will help.


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