diff --git a/models/core/dm_monthly_zone_revenue.sql b/models/core/dm_monthly_zone_revenue.sql
index 6d92df4f..fb6b94fc 100644
--- a/models/core/dm_monthly_zone_revenue.sql
+++ b/models/core/dm_monthly_zone_revenue.sql
@@ -1,31 +1,39 @@
-{{ config(materialized='table') }}
+{{ config(
+    materialized = 'table'
+) }}
 
-with trips_data as (
-    select * from {{ ref('fact_trips') }}
-)
-    select 
-    -- Reveneue grouping 
-    pickup_zone as revenue_zone,
-    date_trunc('month', pickup_datetime) as revenue_month, 
-    --Note: For BQ use instead: date_trunc(pickup_datetime, month) as revenue_month, 
-
-    service_type, 
-
-    -- Revenue calculation 
-    sum(fare_amount) as revenue_monthly_fare,
-    sum(extra) as revenue_monthly_extra,
-    sum(mta_tax) as revenue_monthly_mta_tax,
-    sum(tip_amount) as revenue_monthly_tip_amount,
-    sum(tolls_amount) as revenue_monthly_tolls_amount,
-    sum(ehail_fee) as revenue_monthly_ehail_fee,
-    sum(improvement_surcharge) as revenue_monthly_improvement_surcharge,
-    sum(total_amount) as revenue_monthly_total_amount,
-    sum(congestion_surcharge) as revenue_monthly_congestion_surcharge,
+WITH trips_data AS (
 
-    -- Additional calculations
-    count(tripid) as total_monthly_trips,
-    avg(passenger_count) as avg_montly_passenger_count,
-    avg(trip_distance) as avg_montly_trip_distance
-
-    from trips_data
-    group by 1,2,3
+    SELECT
+        *
+    FROM
+        {{ ref('fact_trips') }}
+)
+SELECT
+    -- Reveneue grouping
+    pickup_zone AS revenue_zone,
+    DATE_TRUNC(
+        'month',
+        pickup_datetime
+    ) AS revenue_month,
+    --Note: For BQ use instead: date_trunc(pickup_datetime, month) as revenue_month,
+    service_type,
+    -- Revenue calculation
+    SUM(fare_amount) AS revenue_monthly_fare,
+    SUM(extra) AS revenue_monthly_extra,
+    SUM(mta_tax) AS revenue_monthly_mta_tax,
+    SUM(tip_amount) AS revenue_monthly_tip_amount,
+    SUM(tolls_amount) AS revenue_monthly_tolls_amount,
+    SUM(ehail_fee) AS revenue_monthly_ehail_fee,
+    SUM(improvement_surcharge) AS revenue_monthly_improvement_surcharge,
+    SUM(total_amount) AS revenue_monthly_total_amount,
+    SUM(congestion_surcharge) AS revenue_monthly_congestion_surcharge -- Additional calculations
+    --count(tripid) as total_monthly_trips,
+    --avg(passenger_count) as avg_montly_passenger_count,
+    --avg(trip_distance) as avg_montly_trip_distance
+FROM
+    trips_data
+GROUP BY
+    1,
+    2,
+    3
diff --git a/models/core/dm_monthly_zone_statistics.sql b/models/core/dm_monthly_zone_statistics.sql
new file mode 100644
index 00000000..401bcf47
--- /dev/null
+++ b/models/core/dm_monthly_zone_statistics.sql
@@ -0,0 +1,30 @@
+{{ config(
+    materialized = 'table'
+) }}
+
+WITH trips_data AS (
+
+    SELECT
+        *
+    FROM
+        {{ ref('fact_trips') }}
+)
+SELECT
+    -- Reveneue grouping
+    pickup_zone AS revenue_zone,
+    DATE_TRUNC(
+        'month',
+        pickup_datetime
+    ) AS revenue_month,
+    --Note: For BQ use instead: date_trunc(pickup_datetime, month) as revenue_month,
+    service_type,
+    -- Additional calculations
+    COUNT(tripid) AS total_monthly_trips,
+    AVG(passenger_count) AS avg_montly_passenger_count,
+    AVG(trip_distance) AS avg_montly_trip_distance
+FROM
+    trips_data
+GROUP BY
+    1,
+    2,
+    3
diff --git a/models/core/schema.yml b/models/core/schema.yml
index f90fe2c1..2c634ba1 100644
--- a/models/core/schema.yml
+++ b/models/core/schema.yml
@@ -21,6 +21,33 @@ models:
         description: Monthly sum of the the total_amount of the fare charged for the trip per pickup zone, month and service.
         tests:
             - not_null:
-                severity: error
-      
-      
+                severity: error      
+metrics:
+  - name: average_distance
+    label: Average Distance
+    model: ref('fact_trips')
+    description: "The average trip distance"
+
+    calculation_method: average
+    expression: trip_distance
+
+    timestamp: pickup_datetime
+    time_grains: [month, quarter, year]
+
+    filters:
+      - field: pickup_borough
+        operator: '='
+        value: "'Manhattan'"
+      - field: dropoff_borough
+        operator: '='
+        value: "'Manhattan'"
+
+    tags:
+    - piperider
+filters:
+  - field: pickup_borough
+    operator: '='
+    value: "'Manhattan'"
+  - field: dropoff_borough
+    operator: '='
+    value: "'Manhattan'"
\ No newline at end of file