diff --git a/beszel/internal/entities/system/system.go b/beszel/internal/entities/system/system.go
index d3f2626..03aa90d 100644
--- a/beszel/internal/entities/system/system.go
+++ b/beszel/internal/entities/system/system.go
@@ -6,23 +6,26 @@ import (
 )
 
 type Stats struct {
-	Cpu          float64             `json:"cpu"`
-	Mem          float64             `json:"m"`
-	MemUsed      float64             `json:"mu"`
-	MemPct       float64             `json:"mp"`
-	MemBuffCache float64             `json:"mb"`
-	MemZfsArc    float64             `json:"mz,omitempty"` // ZFS ARC memory
-	Swap         float64             `json:"s,omitempty"`
-	SwapUsed     float64             `json:"su,omitempty"`
-	DiskTotal    float64             `json:"d"`
-	DiskUsed     float64             `json:"du"`
-	DiskPct      float64             `json:"dp"`
-	DiskReadPs   float64             `json:"dr"`
-	DiskWritePs  float64             `json:"dw"`
-	NetworkSent  float64             `json:"ns"`
-	NetworkRecv  float64             `json:"nr"`
-	Temperatures map[string]float64  `json:"t,omitempty"`
-	ExtraFs      map[string]*FsStats `json:"efs,omitempty"`
+	Cpu             float64             `json:"cpu"`
+	PeakCpu         float64             `json:"pcpu,omitempty"`
+	Mem             float64             `json:"m"`
+	MemUsed         float64             `json:"mu"`
+	MemPct          float64             `json:"mp"`
+	MemBuffCache    float64             `json:"mb"`
+	MemZfsArc       float64             `json:"mz,omitempty"` // ZFS ARC memory
+	Swap            float64             `json:"s,omitempty"`
+	SwapUsed        float64             `json:"su,omitempty"`
+	DiskTotal       float64             `json:"d"`
+	DiskUsed        float64             `json:"du"`
+	DiskPct         float64             `json:"dp"`
+	DiskReadPs      float64             `json:"dr"`
+	DiskWritePs     float64             `json:"dw"`
+	NetworkSent     float64             `json:"ns"`
+	PeakNetworkSent float64             `json:"pns,omitempty"`
+	NetworkRecv     float64             `json:"nr"`
+	PeakNetworkRecv float64             `json:"pnr,omitempty"`
+	Temperatures    map[string]float64  `json:"t,omitempty"`
+	ExtraFs         map[string]*FsStats `json:"efs,omitempty"`
 }
 
 type FsStats struct {
diff --git a/beszel/internal/records/records.go b/beszel/internal/records/records.go
index 0292df8..a4b89e6 100644
--- a/beszel/internal/records/records.go
+++ b/beszel/internal/records/records.go
@@ -153,6 +153,11 @@ func (rm *RecordManager) AverageSystemStats(records []*models.Record) system.Sta
 	// use different counter for temps in case some records don't have them
 	tempCount := float64(0)
 
+	// peak values
+	peakCpu := float64(0)
+	peakNs := float64(0)
+	peakNr := float64(0)
+
 	var stats system.Stats
 	for _, record := range records {
 		record.UnmarshalJSONField("stats", &stats)
@@ -171,6 +176,10 @@ func (rm *RecordManager) AverageSystemStats(records []*models.Record) system.Sta
 		sum.DiskWritePs += stats.DiskWritePs
 		sum.NetworkSent += stats.NetworkSent
 		sum.NetworkRecv += stats.NetworkRecv
+		// set peak values
+		peakCpu = max(peakCpu, stats.PeakCpu, stats.Cpu)
+		peakNs = max(peakNs, stats.PeakNetworkSent, stats.NetworkSent)
+		peakNr = max(peakNr, stats.PeakNetworkRecv, stats.NetworkRecv)
 		// add temps to sum
 		if stats.Temperatures != nil {
 			tempCount++
@@ -196,21 +205,24 @@ func (rm *RecordManager) AverageSystemStats(records []*models.Record) system.Sta
 	}
 
 	stats = system.Stats{
-		Cpu:          twoDecimals(sum.Cpu / count),
-		Mem:          twoDecimals(sum.Mem / count),
-		MemUsed:      twoDecimals(sum.MemUsed / count),
-		MemPct:       twoDecimals(sum.MemPct / count),
-		MemBuffCache: twoDecimals(sum.MemBuffCache / count),
-		MemZfsArc:    twoDecimals(sum.MemZfsArc / count),
-		Swap:         twoDecimals(sum.Swap / count),
-		SwapUsed:     twoDecimals(sum.SwapUsed / count),
-		DiskTotal:    twoDecimals(sum.DiskTotal / count),
-		DiskUsed:     twoDecimals(sum.DiskUsed / count),
-		DiskPct:      twoDecimals(sum.DiskPct / count),
-		DiskReadPs:   twoDecimals(sum.DiskReadPs / count),
-		DiskWritePs:  twoDecimals(sum.DiskWritePs / count),
-		NetworkSent:  twoDecimals(sum.NetworkSent / count),
-		NetworkRecv:  twoDecimals(sum.NetworkRecv / count),
+		Cpu:             twoDecimals(sum.Cpu / count),
+		PeakCpu:         twoDecimals(peakCpu),
+		Mem:             twoDecimals(sum.Mem / count),
+		MemUsed:         twoDecimals(sum.MemUsed / count),
+		MemPct:          twoDecimals(sum.MemPct / count),
+		MemBuffCache:    twoDecimals(sum.MemBuffCache / count),
+		MemZfsArc:       twoDecimals(sum.MemZfsArc / count),
+		Swap:            twoDecimals(sum.Swap / count),
+		SwapUsed:        twoDecimals(sum.SwapUsed / count),
+		DiskTotal:       twoDecimals(sum.DiskTotal / count),
+		DiskUsed:        twoDecimals(sum.DiskUsed / count),
+		DiskPct:         twoDecimals(sum.DiskPct / count),
+		DiskReadPs:      twoDecimals(sum.DiskReadPs / count),
+		DiskWritePs:     twoDecimals(sum.DiskWritePs / count),
+		NetworkSent:     twoDecimals(sum.NetworkSent / count),
+		PeakNetworkSent: twoDecimals(peakNs),
+		NetworkRecv:     twoDecimals(sum.NetworkRecv / count),
+		PeakNetworkRecv: twoDecimals(peakNr),
 	}
 
 	if len(sum.Temperatures) != 0 {
diff --git a/beszel/site/src/types.d.ts b/beszel/site/src/types.d.ts
index 146cbcf..4c6f84f 100644
--- a/beszel/site/src/types.d.ts
+++ b/beszel/site/src/types.d.ts
@@ -35,6 +35,8 @@ export interface SystemInfo {
 export interface SystemStats {
 	/** cpu percent */
 	cpu: number
+	/** peak cpu */
+	pcpu?: number
 	/** total memory (gb) */
 	m: number
 	/** memory used (gb) */
@@ -61,8 +63,12 @@ export interface SystemStats {
 	dw: number
 	/** network sent (mb) */
 	ns: number
+	/** peak network sent (mb) */
+	pns?: number
 	/** network received (mb) */
 	nr: number
+	/** peak network received (mb) */
+	pnr?: number
 	/** temperatures */
 	t?: Record<string, number>
 	/** extra filesystems */