how to calculate monthly averages from daily averages of MODIS Data?

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Mustapha Adamu
Mustapha Adamu 2017-7-26
编辑： Image Analyst 2021-3-22
I am Mustapha and a master of Meteorology student at Nanjing University of Information, science and Technology in China. I am currently using Modis Terra and Aqua for my research and to be specific Cloud Fraction Data for the year 2010. I however want to get the monthly averages for this data and I am lost as to how to go about this. Can someone here please assist me with suggestions as to how I can go about this? Thank you.

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回答（2 个）

KL
KL 2017-9-13
If you are using newer version of Matlab(2016 or later), use timetable
https://www.mathworks.com/help/matlab/ref/timetable.html
Then you could calculate monthly mean with retime like,
TT_mean = retime(your_timetable,'monthly','mean')
For older versions, use a normal table and then varfun like,
montly_mean = varfun(@mean,your_table,'GroupingVariables','Month_No')
MARC CASANOVAS VENTURA
编辑：Image Analyst 2021-3-22
Have a look at this website: http://hdfeos.org/zoo/index_openLAADS_Examples.php#MODIS
Comprehensive Examples
This page provides comprehensive examples on how to access and visualize various NASA HDF/HDF-EOS files using Python (pyhdf/h5py), NCL, MATLAB®, and IDL®. Other tools and programming languages examples can be found here.
Please read this special note first before you proceed further.
You can find examples quickly using the search box below. Please add keyword 'zoo' first to limit the search within this Comprehensive Examples page. Then, type the first few characters from the NASA HDF/HDF-EOS file name such as MOD06. Finally, you can limit the search by providing one of programming language keywords: Ptyhon, NCL, IDL, or MATLAB.

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