update aggregation calculations

internal/tasks/dailyAggregate.go

@@ -759,10 +759,10 @@ INSERT INTO %s (
 		if v.samples == 0 {
 			continue
 		}
-		avgVcpu := float64(v.sumVcpu) / float64(v.samples)
-		avgRam := float64(v.sumRam) / float64(v.samples)
-		avgDisk := v.sumDisk / float64(v.samples)
 		total := float64(totalSamples)
+		avgVcpu := 0.0
+		avgRam := 0.0
+		avgDisk := 0.0
 		avgPresent := 0.0
 		tinPct := 0.0
 		bronzePct := 0.0
@@ -770,6 +770,9 @@ INSERT INTO %s (
 		goldPct := 0.0
 		if total > 0 {
 			avgPresent = float64(v.samples) / total
+			avgVcpu = avgPresent * float64(v.lastVcpu)
+			avgRam = avgPresent * float64(v.lastRam)
+			avgDisk = avgPresent * v.lastDisk
 		}
 		if v.samples > 0 {
 			tinPct = float64(v.tinHits) * 100 / float64(v.samples)