diff --git a/INPUT_FILES/file_def_nemo-oce.xml b/INPUT_FILES/file_def_nemo-oce.xml
index 00d24a8..a3704d1 100755
--- a/INPUT_FILES/file_def_nemo-oce.xml
+++ b/INPUT_FILES/file_def_nemo-oce.xml
@@ -63,6 +63,52 @@
      </file>
      </file_group>
 
+   <file_group id="1m" output_freq="1mo" output_level="10" enabled=".TRUE."> <!-- real monthly files -->
+        <file id="file11" name_suffix="_grid_T" description="ocean T grid variables" >
+          <field field_ref="toce"         name="thetao"       operation="instant" freq_op="1mo" > @toce_e3t / @e3t </field>
+          <field field_ref="soce"         name="so"         operation="instant" freq_op="1mo" > @soce_e3t / @e3t </field>
+          <field field_ref="heatc" />
+          <field field_ref="saltc" />
+          <field field_ref="mldr10_1" />
+          <field field_ref="ssh" />
+        </file>
+        <file id="file15" name_suffix="_atm" description="atmosphere variables" >
+          <field field_ref="saltflx" />
+          <field field_ref="fmmflx" />
+          <field field_ref="runoffs" />
+          <field field_ref="qt" />
+          <field field_ref="qns" />
+          <field field_ref="qsr" />
+          <field field_ref="wspd" />
+          <field field_ref="qlw_oce" />
+          <field field_ref="qsb_oce" />
+          <field field_ref="qla_oce" />
+          <field field_ref="qt_oce" />
+          <field field_ref="precip" />
+          <field field_ref="emp_oce" />
+          <field field_ref="empmr" />
+          <field field_ref="subl_ai_cea" />
+        </file>
+
+        <file id="file12" name_suffix="_grid_U" description="ocean U grid variables" >
+          <field field_ref="uocetr_eff" />
+          <field field_ref="u_heattr" />
+          <field field_ref="u_salttr" />
+        </file>
+
+        <file id="file13" name_suffix="_grid_V" description="ocean V grid variables" >
+          <field field_ref="vocetr_eff" />
+          <field field_ref="v_heattr" />
+          <field field_ref="v_salttr" />
+        </file>
+        <file id="file14" name_suffix="_grid_W" description="ocean W grid variables" >
+          <field field_ref="woce" />
+          <field field_ref="avt" />
+          <field field_ref="avm" />
+          <field field_ref="avs" />
+          <field field_ref="avt_evd" />
+        </file>
+      </file_group>
 	
       
       <file_group id="1h" output_freq="1h" output_level="10" enabled=".TRUE."> <!-- 1 time step files -->