Avoid crash in fixes for time-independent CORDEX data

[bouweandela]

Description

Closes #2843

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.15%. Comparing base (df77d1b) to head (26967eb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3032   +/-   ##
=======================================
  Coverage   96.15%   96.15%           
=======================================
  Files         270      270           
  Lines       15805    15807    +2     
=======================================
+ Hits        15197    15199    +2     
  Misses        608      608           

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[bouweandela]

@ghossh Here is a recipe to test that this works:

documentation:
  title: |
    Example recipe that loads CORDEX-CMIP5 datasets.
  description: |
    This is an example recipe that loads CORDEX-CMIP5 datasets.
    It computes the climatology for surface temperature (ts).
  authors:
    - loosveldt-tomas_saskia
    - andela_bouwe
  maintainer:
    - loosveldt-tomas_saskia

preprocessors:
  ts_pp:
    custom_order: true
    monthly_statistics:
      operator: mean
    climate_statistics:
      period: full
      operator: mean
    mask_landsea:
      mask_out: sea

datasets:
  - project: CORDEX
    domain: EUR-11
    dataset: CCLM4-8-17
    driver: CNRM-CERFACS-CNRM-CM5
    ensemble: r1i1p1
    institute: CLMcom
    rcm_version: v1
    mip: day
    supplementary_variables:
      - short_name: sftlf
        mip: fx
        ensemble: r0i0p0

diagnostics:
  bias:
    variables:
      ts:
        short_name: ts
        mip: day
        exp: historical
        timerange: 2003/2005
        preprocessor: ts_pp
    scripts:
      plot:
        plot_folder: '{plot_dir}'
        plot_filename: '{plot_type}_{real_name}_{alias}_{mip}'
        facet_used_for_labels: 'alias'
        script: monitor/multi_datasets.py
        plots:
          map:
            common_cbar: true
            fontsize: 10
            show_stats: false
            plot_kwargs_bias:
              levels: [-10.0, -7.5, -5.0, -2.5, 0.0, 2.5, 5.0, 7.5, 10.0]
              x_pos_stats_avg: 0.5
              x_pos_stats_bias: 0.5

You can save it to a file, e.g. recipe_test_3032.yml, and then run it with the command esmvaltool run recipe_test_3032.yml. It will fail with the current main branch because of #2843 and successfully produce a figure with this branch.

[ghossh]

Hi @bouweandela , where do you have this dataset?
I looked for it in these directories but could not find it:
/work/ik1017/C3SCORDEX/data/c3s-cordex/output
/work/bd0854/DATA/ESMValTool2/download and, Saskia's downloaded one
/work/bk1088/b381943/data/

[ghossh]

Locally, I ran this recipe, and it downloaded the data, and it worked perfectly.

[ghossh]

FYI, I commented out the supplementary_variables and mask_landsea preprocessor since it could not find sftlf on ESGF. This is the final plot:

[ghossh]

In Levante, it worked: