[R] Converting daily time series to monthly?

[Chattopadhyay, Somsubhra]

Hi all,

I have daily time series of rainfall for sufficiently long period of time
(70 years). I want to aggregate the data series into monthly, seasonal and
annual basis. I know excel can handle this with the pivot table
functionality. However, I have too many data points so, it's not a very
smart way of dealing with this that way. I am wondering a simple R code or
package may help me out here. I appreciate any feedback.

Thanks
Som

-- 
Somsubhra Chattopadhyay
Graduate Research Assistant
Biosystem and Agricultural Engineering Department
University of Kentucky, Lexington, KY 40546
Email: schattop14 at uky.edu
Cell: 9198026951

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