Insert & Fill Missing Rows Within Sequential Dates & Times List

Sep 17, 2009

I have tried many different ways of coming up with a solution of this problem without writing a VBA program, however, Excel's date and time formatting scheme seem to be tripping me up. As a result, I am trying to figure out what direction to go.

I have seached the board up and down looking for a solution and I have found one problem that is midly similar but I do not fully understand the code. I have tried to modify it but to no avail.

Here is my problem:

I have 9 columns of data that are reported in 15 minute intervals for a little over 3 years. There are missing data in the data set and it would be infeasable for me to manually find and replace the missing data. (Over 110000 rows of data)

Example of data (Where "/" delienates column seperation):

Date / Temp 2m / Temp 10 m / Radiation / RH / WindAve / WindMax / WindMin / Rain

6-1-06 12:15 am / 45 / 35 / .0001 / 95 / 5 / 7 / 3 / 0
6-1-06 12:30 am / 45 / 35 / .0001 / 95 / 5 / 7 / 3 / 0
6-1-06 12:45 am / 45 / 35 / .0001/ 95 / 5 / 7 / 3 / 0
6-2-06 6:00 pm / 45 / 35 / .0001 / 95 / 5 / 7 / 3 / 0
6-2-06 6:15 pm / 45 / 35 / .0001 / 95 / 5 / 7 / 3 / 0

So what I need to do is this:
1) Find which data times are missing
2) Add the appropriate amount of rows in between where the missing data would be
3) Add the correct dates to the new rows
4) Add "N/A" to the columns that have no data

You can see that my date and time are formatted in mm/dd/yy hh:mm

I found this on the website and was trying to modify it to my needs:


Sub InsRow()

Dim c

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