Re: yyyymmdd_to_yyyyfrac

Achraf,

I need more information.

How are you reading in that first column of data (i.e. what variable type did you use),
and exactly how are you calling yyyymmdd_to_yyyyfrac?

I tried to reproduce the problem, but I got different results from you:

(0) 2007.986
(1) 2007.989
(2) 2007.992
(3) 2007.995
(4) 2007.997

The "1979.604" value in your output below is way off. What version of NCL are you running? (ncl -V)

--Mary

On Dec 29, 2010, at 9:30 AM, Achraf Koulali Idrissi wrote:

> Hello,
>
> I have a problem with the function : yyyymmdd_to_yyyyfrac
>
> It reads an extra day 32 of each month. here is my test :
>
> ----- input file
>
> 20071227 2.4076 0.0019 0.0011 0.0030 0.0007 0.0031
> 20071228 2.3876 0.0019 -0.0016 0.0031 0.0044 0.0031
> 20071229 2.3867 0.0019 -0.0037 0.0030 0.0030 0.0030
> 20071230 2.3808 0.0021 -0.0028 0.0031 0.0048 0.0034
> 20071231 2.3821 0.0019 -0.0033 0.0030 -0.0002 0.0031
>
> ----- result :
>
> Variable: yrfrac
> Type: float
> Total Size: 20 bytes
> 5 values
> Number of Dimensions: 1
> Dimensions and sizes: [5]
> Coordinates:
> Number Of Attributes: 3
> long_name : Time
> units : YYYY + fractional portion of year
> info : derived using: function yyyymmdd_to_yyyyFrac
> (0) 2007.99
> (1) 2007.99
> (2) 2007.99
> (3) 2007.996
> (4) 1979.604
>
>
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Received on Wed Dec 29 10:13:22 2010