Separate network faults from software drops and fix CPU temperature history

history.go

@@ -99,12 +99,10 @@ func historyPointFromMetrics(metrics dashboardMetrics) HistoryPoint {
 		NetworkTransmit: metrics.Network.TransmitPerSec, UPSCharge: metrics.UPS.ChargePercent,
 		UPSLoad: metrics.UPS.LoadPercent,
 	}
-	if len(metrics.CPU.Temperatures) > 0 {
-		for _, temperature := range metrics.CPU.Temperatures {
-			point.CPUTemperature += temperature.Celsius
-		}
-		point.CPUTemperature /= float64(len(metrics.CPU.Temperatures))
+	if temperature := cpuTemperature(metrics.CPU.Temperatures); temperature != nil {
+		point.CPUTemperature = *temperature
 	}
+
 	var zfsSize, zfsUsed uint64
 	for _, pool := range metrics.ZFS.Pools {
 		zfsSize += pool.SizeBytes