Fix metadata for radiation variables

examples/DestinE_GSV.yml

@@ -338,36 +338,42 @@ fdb_writer:
         - discipline: 0
         - parameterCategory: 4
         - parameterNumber: 7
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: surface
     rlds: # surface downwelling longwave radiation
       grib_metadata:
         - discipline: 0
         - parameterCategory: 5
         - parameterNumber: 3
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: surface
     rsns: # surface net shortwave radiation flux
       grib_metadata:
         - discipline: 0
         - parameterCategory: 4
         - parameterNumber: 9
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: surface
     rsnt: # toa net shortwave radiation flux
       grib_metadata:
         - discipline: 0
         - parameterCategory: 4
         - parameterNumber: 9
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: nominalTop
     rlns: # surface net longwave radiation flux
       grib_metadata:
         - discipline: 0
         - parameterCategory: 5
         - parameterNumber: 5
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: surface
     rlnt: # toa net longwave radiation flux
       grib_metadata:
         - discipline: 0
         - parameterCategory: 5
         - parameterNumber: 5
+        - typeOfStatisticalProcessing: accum
         - vertical.typeOfLevel: nominalTop
     prw: # vertically integrated water vapour
       grib_metadata: