how to calculate monthly average from hourly average

how to do monthly average for the each hour of the seperate day. eg: monthly average of (01/01/2012 0.00 hr,01/02/2012 0.00hr,02/01/2012 0.00hr ............31/01/2012) and also daily average for day time of the universal time average and night time also.presently from hourly average, i need to calculate daily average and also monthly average(i.e, 1/1/12 1.00am,2/1/12 1.00am ...31/1/12 1.00am)like this 24 hours. and three months average also. if you could help with this then my project can be solved easily

Answer 1

[KSSV]

Read about datevec. This splits the date into years, months, days and hours......from here you can pick the required indices and get your mean.

Read about datevec and unique

[SD]

sir,if you understood my problem can you give the program

[KSSV]

You need to try out..and get stuck please come here. Also you will get the code here in the forum itself....search properly.