diff --git a/scripts/dashboards_render_atlas.py b/scripts/dashboards_render_atlas.py
index 54a33ee..882cdde 100644
--- a/scripts/dashboards_render_atlas.py
+++ b/scripts/dashboards_render_atlas.py
@@ -205,6 +205,8 @@ STUCK_TERMINATING_EXPR = (
     "or on() vector(0)"
 )
 UPTIME_WINDOW = "365d"
+# Keep the subquery step coarse so we don't request an excessive number of points.
+UPTIME_STEP = "1h"
 TRAEFIK_READY_EXPR = (
     "("
     'sum(kube_deployment_status_replicas_available{namespace=~"traefik|kube-system",deployment="traefik"})'
@@ -225,7 +227,7 @@ NODE_TIEBREAKER = " + ".join(
     f"({node_filter(node)}) * 1e-6 * {idx}"
     for idx, node in enumerate(CONTROL_ALL + WORKER_NODES, start=1)
 )
-UPTIME_AVG_EXPR = f"avg_over_time(({UPTIME_AVAIL_EXPR})[{UPTIME_WINDOW}:5m])"
+UPTIME_AVG_EXPR = f"avg_over_time(({UPTIME_AVAIL_EXPR})[{UPTIME_WINDOW}:{UPTIME_STEP}])"
 UPTIME_PERCENT_EXPR = UPTIME_AVG_EXPR
 UPTIME_NINES_EXPR = f"-log10(1 - clamp_max({UPTIME_AVG_EXPR}, 0.999999999))"
 UPTIME_THRESHOLDS = {
diff --git a/services/monitoring/dashboards/atlas-overview.json b/services/monitoring/dashboards/atlas-overview.json
index 46ced4d..96c271b 100644
--- a/services/monitoring/dashboards/atlas-overview.json
+++ b/services/monitoring/dashboards/atlas-overview.json
@@ -226,7 +226,7 @@
       },
       "targets": [
         {
-          "expr": "avg_over_time((min(((sum(kube_node_status_condition{condition=\"Ready\",status=\"true\",node=~\"titan-0a|titan-0b|titan-0c\"}) / 3)), ((sum(kube_deployment_status_replicas_available{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}) / clamp_min(sum(kube_deployment_spec_replicas{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}), 1)))))[365d:5m])",
+          "expr": "avg_over_time((min(((sum(kube_node_status_condition{condition=\"Ready\",status=\"true\",node=~\"titan-0a|titan-0b|titan-0c\"}) / 3)), ((sum(kube_deployment_status_replicas_available{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}) / clamp_min(sum(kube_deployment_spec_replicas{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}), 1)))))[365d:1h])",
           "refId": "A"
         }
       ],
diff --git a/services/monitoring/grafana-dashboard-overview.yaml b/services/monitoring/grafana-dashboard-overview.yaml
index 3f2a3ed..7df2f3e 100644
--- a/services/monitoring/grafana-dashboard-overview.yaml
+++ b/services/monitoring/grafana-dashboard-overview.yaml
@@ -235,7 +235,7 @@ data:
           },
           "targets": [
             {
-              "expr": "avg_over_time((min(((sum(kube_node_status_condition{condition=\"Ready\",status=\"true\",node=~\"titan-0a|titan-0b|titan-0c\"}) / 3)), ((sum(kube_deployment_status_replicas_available{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}) / clamp_min(sum(kube_deployment_spec_replicas{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}), 1)))))[365d:5m])",
+              "expr": "avg_over_time((min(((sum(kube_node_status_condition{condition=\"Ready\",status=\"true\",node=~\"titan-0a|titan-0b|titan-0c\"}) / 3)), ((sum(kube_deployment_status_replicas_available{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}) / clamp_min(sum(kube_deployment_spec_replicas{namespace=~\"traefik|kube-system\",deployment=\"traefik\"}), 1)))))[365d:1h])",
               "refId": "A"
             }
           ],