diff --git a/forecast-inference/README.md b/forecast-inference/README.md
index 385313f..9b75183 100644
--- a/forecast-inference/README.md
+++ b/forecast-inference/README.md
@@ -20,6 +20,11 @@ poetry install
 poetry run python forecast_inference/app.py
 ```
 
+Need to set
+- OCF_ENVIRONMENT
+- OCF_PV_DB_URL
+- NWP_ZARR_PATH
+
 ## Development
 
 Format the code base *in place*
diff --git a/forecast-inference/aws_config.yaml b/forecast-inference/aws_config.yaml
index 9e2920b..de6742b 100644
--- a/forecast-inference/aws_config.yaml
+++ b/forecast-inference/aws_config.yaml
@@ -10,6 +10,16 @@ nwp:
     value_name: UKV
     y_is_ascending: false
     coord_system: 27700
+    variables:
+      - dswrf
+      - dlwrf
+      - hcc
+      - mcc
+      - lcc
+      - t
+      - vis
+      - prate
+      - si10
 
 pv_metadata_path: s3://pvsite-ml-models-${OCF_ENVIRONMENT}/meta_inferred.csv