diff --git a/helm/Chart.yaml b/helm/Chart.yaml
index e4e1f79..28c0463 100644
--- a/helm/Chart.yaml
+++ b/helm/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.7
+version: 0.2.8
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/helm/dashboards/econet-exporter.json b/helm/dashboards/econet-exporter.json
index 04ca9d7..38fe577 100644
--- a/helm/dashboards/econet-exporter.json
+++ b/helm/dashboards/econet-exporter.json
@@ -676,7 +676,9 @@
       "fieldConfig": {
         "defaults": {
           "color": {
-            "mode": "palette-classic"
+            "fixedColor": "text",
+            "mode": "fixed",
+            "seriesBy": "last"
           },
           "custom": {
             "axisBorderShow": false,
@@ -687,7 +689,7 @@
             "barAlignment": 0,
             "barWidthFactor": 0.6,
             "drawStyle": "line",
-            "fillOpacity": 20,
+            "fillOpacity": 8,
             "gradientMode": "opacity",
             "hideFrom": {
               "legend": false,
@@ -695,8 +697,8 @@
               "viz": false
             },
             "insertNulls": false,
-            "lineInterpolation": "smooth",
-            "lineWidth": 2,
+            "lineInterpolation": "stepBefore",
+            "lineWidth": 5,
             "pointSize": 5,
             "scaleDistribution": {
               "type": "linear"
@@ -709,21 +711,29 @@
               "mode": "none"
             },
             "thresholdsStyle": {
-              "mode": "off"
+              "mode": "dashed+area"
             }
           },
           "mappings": [],
-          "max": 100,
+          "max": 101,
           "min": 0,
           "thresholds": {
             "mode": "absolute",
             "steps": [
               {
-                "color": "green",
+                "color": "dark-red",
                 "value": 0
               },
               {
-                "color": "red",
+                "color": "dark-orange",
+                "value": 15
+              },
+              {
+                "color": "#EAB839",
+                "value": 48
+              },
+              {
+                "color": "green",
                 "value": 80
               }
             ]
@@ -739,11 +749,14 @@
         "y": 6
       },
       "id": 12,
+      "interval": "1m",
+      "maxDataPoints": 100,
       "options": {
         "legend": {
           "calcs": [
             "lastNotNull",
-            "min"
+            "min",
+            "mean"
           ],
           "displayMode": "table",
           "placement": "bottom",
@@ -762,8 +775,10 @@
             "type": "prometheus",
             "uid": "${datasource}"
           },
-          "expr": "avg by (econet_friendly_name) (econet_hot_water_availability_percent{econet_friendly_name=~\"$device\"})",
+          "editorMode": "code",
+          "expr": "min by (econet_friendly_name) (econet_hot_water_availability_percent{econet_friendly_name=~\"$device\"})[$__interval]",
           "legendFormat": "{{econet_friendly_name}}",
+          "range": true,
           "refId": "A"
         }
       ],