Thx for the reminder Shane

Shane Devenshire;373589 Wrote:
Hi Pecoflyer,

The third argument of SUMIF is optional, if the 1st and 3rd ranges are
the
same you can ignore the 3rd argument.

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Cheers,
Shane Devenshire


"Pecoflyer" wrote:


Hi,
supposing temp of deg is not included and your data for a given day
is
in cells A1 to A24, follwoing wll give the sum of daily positive
temps
:
=sumif(a1:a24,"0",a1:a24)
You ca then multiply this outcome with the meltfactor and area

thehigh_23;373222 Wrote:
Hi
For a project I am doing university I need to produce a basic ice
melt
model. I have got hourly temperature data for a whole year from a
certain location and area data from a glacier I am looking at,
which
has been broken down to several elevation bands each containing
the
area of ice present in that band.
Basically I need the model first to calculate the sum of postive
degrees for each day of the year (so this would add together all
the
temperature data above 0 for each day). This would leave me with
365
postive degree day factors (DDF).

Each of these DDF's then need to be multiplied by a Meltfactor
(say
0.06) and then multiplied by the area of a selceted elevation band
(DDF x 0.06) x Area

I am still a bit of a novice when it comes to all things excel so
Im
struggling a bit with this one. Its been suggested that I should
use
VBA but to be honest i dont know where to start. Any useful tips
etc
would be much appreciated.

Cheers
Ryan




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