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Count of data by day and month - Event locator

  1. #1
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    Count of data by day and month - Event locator

    Hello,

    I have a list of dates over the past 26 years for when certain weather events have occurred. I.e. 8/14/1989, 8/16/1989, 10/20/1989, 9/15/2006, etc...

    I want to be able to make a graph of how often those events have occurred when in the year, but not by year... so in other words I want to know how often a rain event has occurred on July 25 in the past 26 years....

    How can I do this???

  2. #2
    Administrator JBeaucaire's Avatar
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    Re: Count of data by day and month - Event locator

    I believe you need to expand your data set a little to make this easy.

    If DATE is in B2, you can use formulas to pull out the Month and Day in columns C and D.

    =MONTH(B2)
    =DAY(B2)

    Now you have data points that make it simple to create PIVOT TABLEs from. Or even manually create SUMIFS() for your initial results. But Pivot Table seems most useful.

    Attach a sample workbook if need more specifics if you have trouble making those edits.

    Click on GO ADVANCED and then scroll down to Manage Attachments to open the upload window.

  3. #3
    Forum Guru Tony Valko's Avatar
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    Re: Count of data by day and month - Event locator

    Try something like this...

    Dates in column A
    Conditions in column B

    =SUMPRODUCT(--(TEXT(A2:A20,"mmmd")="Jul25"),--(B2:B20="Rain"))
    Last edited by Tony Valko; 07-23-2016 at 01:52 PM.
    Biff
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