diff --git a/scripts/dashboards_render_atlas.py b/scripts/dashboards_render_atlas.py
index cda8aad15..d80ba1c22 100644
--- a/scripts/dashboards_render_atlas.py
+++ b/scripts/dashboards_render_atlas.py
@@ -184,7 +184,8 @@ def scoped_node_expr(base, scope=""):
 
 def node_cpu_expr(scope=""):
     idle = 'avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m]))'
-    base = f"(1 - {idle}) * 100"
+    # Scrape stalls can briefly report an impossible idle rate after recovery.
+    base = f"clamp_max(clamp_min((1 - {idle}) * 100, 0), 100)"
     return scoped_node_expr(base, scope)
 
 
diff --git a/scripts/tests/test_dashboards_render_atlas.py b/scripts/tests/test_dashboards_render_atlas.py
index c78c897cc..f6ad48754 100644
--- a/scripts/tests/test_dashboards_render_atlas.py
+++ b/scripts/tests/test_dashboards_render_atlas.py
@@ -47,6 +47,8 @@ def test_node_filter_and_expr_helpers():
     cpu_expr = mod.node_cpu_expr("titan-.*")
     mem_expr = mod.node_mem_expr("titan-.*")
     assert "node_cpu_seconds_total" in cpu_expr
+    assert "clamp_max(clamp_min(" in cpu_expr
+    assert "* 100, 0), 100)" in cpu_expr
     assert "node_memory_MemAvailable_bytes" in mem_expr
 
 
diff --git a/services/monitoring/dashboards/atlas-nodes.json b/services/monitoring/dashboards/atlas-nodes.json
index ea2248e88..76467aaf4 100644
--- a/services/monitoring/dashboards/atlas-nodes.json
+++ b/services/monitoring/dashboards/atlas-nodes.json
@@ -409,7 +409,7 @@
       },
       "targets": [
         {
-          "expr": "avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))",
+          "expr": "avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))",
           "refId": "A",
           "legendFormat": "{{node}}"
         }
@@ -489,7 +489,7 @@
       },
       "targets": [
         {
-          "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+          "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
           "refId": "A",
           "legendFormat": "{{node}}"
         }
diff --git a/services/monitoring/dashboards/atlas-overview.json b/services/monitoring/dashboards/atlas-overview.json
index d4e5a9b72..9a4697998 100644
--- a/services/monitoring/dashboards/atlas-overview.json
+++ b/services/monitoring/dashboards/atlas-overview.json
@@ -518,7 +518,7 @@
       },
       "targets": [
         {
-          "expr": "label_replace(topk(1, avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))), \"__name__\", \"$1\", \"node\", \"(.*)\")",
+          "expr": "label_replace(topk(1, avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))), \"__name__\", \"$1\", \"node\", \"(.*)\")",
           "refId": "A",
           "legendFormat": "{{node}}",
           "instant": true
@@ -3867,7 +3867,7 @@
       },
       "targets": [
         {
-          "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+          "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
           "refId": "A",
           "legendFormat": "{{node}}"
         }
@@ -3963,7 +3963,7 @@
       },
       "targets": [
         {
-          "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+          "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
           "refId": "A",
           "legendFormat": "{{node}}"
         }
diff --git a/services/monitoring/grafana-dashboard-nodes.yaml b/services/monitoring/grafana-dashboard-nodes.yaml
index 4cd65e0ba..becabe30e 100644
--- a/services/monitoring/grafana-dashboard-nodes.yaml
+++ b/services/monitoring/grafana-dashboard-nodes.yaml
@@ -418,7 +418,7 @@ data:
           },
           "targets": [
             {
-              "expr": "avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))",
+              "expr": "avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))",
               "refId": "A",
               "legendFormat": "{{node}}"
             }
@@ -498,7 +498,7 @@ data:
           },
           "targets": [
             {
-              "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+              "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
               "refId": "A",
               "legendFormat": "{{node}}"
             }
diff --git a/services/monitoring/grafana-dashboard-overview.yaml b/services/monitoring/grafana-dashboard-overview.yaml
index bfed0763f..a4519091e 100644
--- a/services/monitoring/grafana-dashboard-overview.yaml
+++ b/services/monitoring/grafana-dashboard-overview.yaml
@@ -527,7 +527,7 @@ data:
           },
           "targets": [
             {
-              "expr": "label_replace(topk(1, avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))), \"__name__\", \"$1\", \"node\", \"(.*)\")",
+              "expr": "label_replace(topk(1, avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))), \"__name__\", \"$1\", \"node\", \"(.*)\")",
               "refId": "A",
               "legendFormat": "{{node}}",
               "instant": true
@@ -3876,7 +3876,7 @@ data:
           },
           "targets": [
             {
-              "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+              "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
               "refId": "A",
               "legendFormat": "{{node}}"
             }
@@ -3972,7 +3972,7 @@ data:
           },
           "targets": [
             {
-              "expr": "(avg by (node) (((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
+              "expr": "(avg by (node) ((clamp_max(clamp_min((1 - avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))) * 100, 0), 100)) * on(instance) group_left(node) label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh|titan-04|titan-05|titan-06|titan-07|titan-08|titan-09|titan-10|titan-11|titan-20|titan-21|titan-12|titan-13|titan-14|titan-15|titan-16|titan-17|titan-18|titan-19|titan-22|titan-23|titan-24\"}, \"node\", \"$1\", \"nodename\", \"(.*)\"))) * on(node) group_left() label_replace(node_uname_info{nodename=~\"titan-0a|titan-0b|titan-0c|titan-db|titan-jh\"}, \"node\", \"$1\", \"nodename\", \"(.*)\")",
               "refId": "A",
               "legendFormat": "{{node}}"
             }