[ncl-talk] Daily mean to monthly mean

[Kunal Bali]

then
changed
opt at nval_crit = 12
to
opt at nval_crit = 4


---
Kunal Bali






On Mon, Mar 11, 2019 at 11:21 AM Soma Roy <somaroy892 at gmail.com> wrote:

> Each year I have only 4 months (JJAS) daily data.. How can I set 12 in opt?
>
> Soma
>
> On Mon, Mar 11, 2019, 11:17 Kunal Bali <kunal.bali9 at gmail.com wrote:
>
>> Try this
>>
>>
>>               f = addfile("*inputfile*.nc","r")
>>               x = f->*variable_name*
>>               printVarSummary(x)
>>
>>               opt = True
>>               opt at nval_crit = 12   ; require at least 12 values for the
>> "avg" is calculated.
>>
>>               xMon = *calculate_monthly_values* (x, "avg", 0,opt)  ;
>> convert daily to monthly
>>               printVarSummary(xMon)
>>
>>              ; for generating output in netcdf if it is required
>>               diro = "./"
>>               filo = "merge2.nc"
>>               ncdf = addfile(diro+filo ,"c")
>>               filedimdef(ncdf,"time",-1,True)
>>               ncdf->xMon=xMon
>>
>>
>> ---
>> Kunal Bali
>>
>>
>>
>>
>>
>>
>> On Mon, Mar 11, 2019 at 11:00 AM Soma Roy <somaroy892 at gmail.com> wrote:
>>
>>> Hello,
>>> I have 1980 to 2005 daily JJAS (122 days) data in a file..from that I
>>> want to calculate monthly means for each year in ncl (not CDO) so that
>>> output file will be 104 (ntime), nlat, nlon.
>>>
>>> Which function should I use in ncl to get the above output?
>>>
>>>
>>> Thanks,
>>> Soma
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>>
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