diff --git a/internal/metricDataDispatcher/dataLoader.go b/internal/metricDataDispatcher/dataLoader.go
index 121fbf4..1f2e175 100644
--- a/internal/metricDataDispatcher/dataLoader.go
+++ b/internal/metricDataDispatcher/dataLoader.go
@@ -139,11 +139,13 @@ func LoadData(job *schema.Job,
 		}
 
 		// FIXME: Review: Is this really necessary or correct.
-		// Note: Lines 142-170 formerly known as prepareJobData(jobData, scoeps)
+		// Note: Lines 147-170 formerly known as prepareJobData(jobData, scopes)
 		// For /monitoring/job/<job> and some other places, flops_any and mem_bw need
 		// to be available at the scope 'node'. If a job has a lot of nodes,
 		// statisticsSeries should be available so that a min/median/max Graph can be
 		// used instead of a lot of single lines.
+		// NOTE: New StatsSeries will always be calculated as 'min/median/max'
+		//       Existing (archived) StatsSeries can be 'min/mean/max'!
 		const maxSeriesSize int = 15
 		for _, scopes := range jd {
 			for _, jm := range scopes {
diff --git a/pkg/schema/metrics.go b/pkg/schema/metrics.go
index 08636f1..9db853d 100644
--- a/pkg/schema/metrics.go
+++ b/pkg/schema/metrics.go
@@ -123,6 +123,7 @@ func (jd *JobData) Size() int {
 		for _, metric := range scopes {
 			if metric.StatisticsSeries != nil {
 				n += len(metric.StatisticsSeries.Max)
+				n += len(metric.StatisticsSeries.Mean)
 				n += len(metric.StatisticsSeries.Median)
 				n += len(metric.StatisticsSeries.Min)
 			}
diff --git a/web/frontend/src/Job.root.svelte b/web/frontend/src/Job.root.svelte
index 9601e9c..2827248 100644
--- a/web/frontend/src/Job.root.svelte
+++ b/web/frontend/src/Job.root.svelte
@@ -98,6 +98,7 @@
           timestep
           statisticsSeries {
             min
+            mean
             median
             max
           }
diff --git a/web/frontend/src/generic/joblist/JobListRow.svelte b/web/frontend/src/generic/joblist/JobListRow.svelte
index b1e1511..f4cc71a 100644
--- a/web/frontend/src/generic/joblist/JobListRow.svelte
+++ b/web/frontend/src/generic/joblist/JobListRow.svelte
@@ -53,6 +53,7 @@
           timestep
           statisticsSeries {
             min
+            mean
             median
             max
           }
diff --git a/web/frontend/src/generic/plots/MetricPlot.svelte b/web/frontend/src/generic/plots/MetricPlot.svelte
index 230e090..1c09150 100644
--- a/web/frontend/src/generic/plots/MetricPlot.svelte
+++ b/web/frontend/src/generic/plots/MetricPlot.svelte
@@ -133,8 +133,8 @@
   export let zoomState = null;
 
   if (useStatsSeries == null) useStatsSeries = statisticsSeries != null;
-
   if (useStatsSeries == false && series == null) useStatsSeries = true;
+  const usesMeanStatsSeries = (useStatsSeries && statisticsSeries.mean.length != 0)
 
   const dispatch = createEventDispatcher();
   const subClusterTopology = getContext("getHardwareTopology")(cluster, subCluster);
@@ -278,7 +278,7 @@
   }
 
   const longestSeries = useStatsSeries
-    ? statisticsSeries.median.length
+    ? (usesMeanStatsSeries ? statisticsSeries.mean.length : statisticsSeries.median.length)
     : series.reduce((n, series) => Math.max(n, series.data.length), 0);
   const maxX = longestSeries * timestep;
   let maxY = null;
@@ -327,7 +327,11 @@
   if (useStatsSeries) {
     plotData.push(statisticsSeries.min);
     plotData.push(statisticsSeries.max);
-    plotData.push(statisticsSeries.median);
+    if (usesMeanStatsSeries) {
+      plotData.push(statisticsSeries.mean);
+    } else {
+      plotData.push(statisticsSeries.median);
+    }
 
     /* deprecated: sparse data handled by uplot */
     // if (forNode === true) {
@@ -426,7 +430,7 @@
           // Draw plot type label:
           let textl = `${scope}${plotSeries.length > 2 ? "s" : ""}${
             useStatsSeries
-              ? ": min/median/max"
+              ? (usesMeanStatsSeries ? ": min/mean/max" : ": min/median/max")
               : metricConfig != null && scope != metricConfig.scope
                 ? ` (${metricConfig.aggregation})`
                 : ""
diff --git a/web/frontend/src/job/Metric.svelte b/web/frontend/src/job/Metric.svelte
index 89b9d30..4b4c8d0 100644
--- a/web/frontend/src/job/Metric.svelte
+++ b/web/frontend/src/job/Metric.svelte
@@ -74,6 +74,7 @@
           timestep
           statisticsSeries {
             min
+            mean
             median
             max
           }