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On Thu, Jul 24, 2014, at 12:33 PM, Brian Barker wrote:
At 10:37 24/07/2014 -0400, Dave Boland wrote:

Er, you presumably want just the date on the horizontal axis, with 
locations represented by separate lines.

What you need to do is to assemble a table in an appropriate fashion 
for a chart to be possible. You will probably want four columns - for 
dates and the three locations - with the temperature values in the 
body of the table. That way, there would be one row for each date. 
Creating the chart from this would be simple.

So how to achieve that table? Well, one way would be simply to enter 
the data that way in the first place. However the data arises, it may 
be most convenient to massage it into the required form as you enter 
it. Note that the way you are currently entering data, you have each 
date entered three times and each location very many times. That's 
never a good idea. How many weeks before you enter "Sryacuse" by mistake?

Alternatively, you can simply extract what you need from your 
existing table into the required one. Your date column would be 
entered manually or - better if appropriate - filled down from the 
first two weeks' dates. The body of the table would then have 
formulae which retrieved the appropriate data from the original 
table. You might be able to do this using the VLOOKUP() function, but 
it won't be simple, as you have two conditions to search for: date 
and location. The simplest solution might be to sort your original 
table by location (or you could enter the data into three tables in 
the first place), and then to use VLOOKUP() to search for the 
appropriate date and harvest the temperature value from within just 
the relevant part of the original table - that now containing the 
values for each location.

It's probably very much easier if you create three tables in the 
first place - one for each location.


Thanks for the insight.  The way the data is set up is legacy in that it
is from a form used previously.  The intent was to create database-like
records where data from 12 cities is updated each week.  To help
eliminate entry mistakes, I use validation so Syracuse never becomes
something else.

I have made some progress playing with chart settings, but still not
where I need to be.  I will give the lookup functions a try.

  dave boland

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