diff --git a/internal/server/mock/metrics/server.go b/internal/server/mock/metrics/server.go
index 4f8dd0e..49981d2 100644
--- a/internal/server/mock/metrics/server.go
+++ b/internal/server/mock/metrics/server.go
@@ -19,19 +19,20 @@ type Server struct {
 	pb.UnimplementedMetricsServer
 }
 
-func deterministicRange(t time.Time, minVal, maxVal, seconds int64, key string) int64 {
+// deterministicRange returns a specific value consistently for a point in a time series.
+func deterministicRange(t time.Time, minVal, maxVal float64, seconds int64, key string) float64 {
 	h := fnv.New32a()
 
 	bucketKey := fmt.Sprintf("%d-%s", t.Unix()/seconds, key)
 	_, _ = h.Write([]byte(bucketKey))
-	hashVal := int64(h.Sum32())
+	hashVal := float64(h.Sum32()) / float64(^uint32(0))
 
-	rangeSize := maxVal - minVal + 1
-	return minVal + (hashVal % rangeSize)
+	rangeSize := maxVal - minVal
+	return minVal + (hashVal * rangeSize)
 }
 
-func metricMappings(metricType pb.MetricType) map[string][]int64 {
-	data := map[pb.MetricType]map[string][]int64{
+func metricMappings(metricType pb.MetricType) map[string][]float64 {
+	data := map[pb.MetricType]map[string][]float64{
 		pb.MetricType_CLUSTER: {
 			"requests":            {250_000, 4_000_000},
 			"httpcode_target_200": {500, 1_000},
@@ -42,7 +43,7 @@ func metricMappings(metricType pb.MetricType) map[string][]int64 {
 		pb.MetricType_ENVIRONMENT: {
 			"requests":              {25_000, 200_000},
 			"cpu":                   {25, 100},
-			"memory":                {512, 4096},
+			"memory":                {512_000, 4_294_967_296}, // 512KB to 4GB
 			"replicas":              {2, 8},
 			"php_active":            {4, 48},
 			"php_idle":              {2, 12},
@@ -55,9 +56,9 @@ func metricMappings(metricType pb.MetricType) map[string][]int64 {
 			"httpcode_target_300":   {25, 50},
 			"httpcode_target_400":   {10, 25},
 			"httpcode_target_500":   {0, 10},
-			"response_times_avg":    {100, 250},
-			"response_times_p95":    {2_000, 5_000},
-			"response_times_p99":    {10_000, 20_000},
+			"response_times_avg":    {0.1, 0.25},
+			"response_times_p95":    {2.0, 5.0},
+			"response_times_p99":    {10.0, 20.0},
 		},
 	}
 	return data[metricType]
diff --git a/metrics.proto b/metrics.proto
index 1176026..aa674ba 100644
--- a/metrics.proto
+++ b/metrics.proto
@@ -68,5 +68,5 @@ message AbsoluteRangeResponse {
  */
 message MetricValue {
   google.protobuf.Timestamp timestamp = 1; // The timestamp of the metric..
-  int64 value = 2; // The value of the metric at the given timestamp.
+  double value = 2; // The value of the metric at the given timestamp.
 }
diff --git a/pb/metrics.pb.go b/pb/metrics.pb.go
index 71c3cd3..648524e 100644
--- a/pb/metrics.pb.go
+++ b/pb/metrics.pb.go
@@ -377,7 +377,7 @@ type MetricValue struct {
 	unknownFields protoimpl.UnknownFields
 
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"` // The timestamp of the metric..
-	Value     int64                  `protobuf:"varint,2,opt,name=value,proto3" json:"value,omitempty"`        // The value of the metric at the given timestamp.
+	Value     float64                `protobuf:"fixed64,2,opt,name=value,proto3" json:"value,omitempty"`       // The value of the metric at the given timestamp.
 }
 
 func (x *MetricValue) Reset() {
@@ -419,7 +419,7 @@ func (x *MetricValue) GetTimestamp() *timestamppb.Timestamp {
 	return nil
 }
 
-func (x *MetricValue) GetValue() int64 {
+func (x *MetricValue) GetValue() float64 {
 	if x != nil {
 		return x.Value
 	}
@@ -476,7 +476,7 @@ var file_metrics_proto_rawDesc = []byte{
 	0x74, 0x61, 0x6d, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f,
 	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d,
 	0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d,
-	0x70, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03,
+	0x70, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x01,
 	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x2a, 0x54, 0x0a, 0x0a, 0x4d, 0x65, 0x74, 0x72, 0x69,
 	0x63, 0x54, 0x79, 0x70, 0x65, 0x12, 0x1b, 0x0a, 0x17, 0x4d, 0x45, 0x54, 0x52, 0x49, 0x43, 0x5f,
 	0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44,