[ncl-talk] sub: Time selection

[dale zuri]

Hi NCL users,
How to choose JJAS to compute the seasonal average from 1981-2005. ?
I would appreciate any help.

Thanks
DZ

names = getfilevarnames(f)
print(names)
x   = f->ice
time   = f->T
printVarSummary(x)
utc_date = cd_calendar(time, -2)
print(utc_date)
Number of Dimensions: 4
Dimensions and sizes:   [T | 14086] x [zlev | 1] x [lat | 720] x [lon |
1440]
Coordinates:
            T: [1358..15443]
            zlev: [ 0.. 0]
            lat: [-89.875..89.875]
            lon: [0.125..359.875]
Number Of Attributes: 8
  pointwidth :   1
  valid_max :   100
  scale_factor :        0.01
  missing_value :       -999
  units :       percentage
  valid_min :   0
  long_name :   Sea ice concentration
  standard_name :       sea_ice_area_fraction


Variable: utc_date
Type: integer
Total Size: 56344 bytes
            14086 values
Number of Dimensions: 1
Dimensions and sizes:   [14086]
Coordinates:
Number Of Attributes: 1
  calendar :    standard
(0)     19810920
(1)     19810921
(2)     19810922
(3)     19810923
(14085) 20200413
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