diff --git a/config/runtime.exs b/config/runtime.exs
index f2578331..c317dba6 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -304,7 +304,13 @@ if config_env() == :prod do
        {"*/10 * * * *", Microwaveprop.Workers.IonosphereFetchWorker},
        # NOAA SWPC: Kp / GOES X-ray at 1-min cadence, F10.7 hourly.
        # 5-min poll balances freshness vs request volume.
-       {"*/5 * * * *", Microwaveprop.Workers.SpaceWeatherFetchWorker}
+       {"*/5 * * * *", Microwaveprop.Workers.SpaceWeatherFetchWorker},
+       # Recompute hrrr_climatology nightly from the hrrr_profiles
+       # archive. Idempotent — UPSERT on (lat, lon, month, hour) — and
+       # cheap enough to run daily so the table self-heals if a
+       # deploy clears it or new profiles need to fold into the means.
+       # 02:30 UTC sits inside the quiet pre-NARR/HRRR ingestion gap.
+       {"30 2 * * *", Microwaveprop.Workers.AdminTaskWorker, args: %{"task" => "climatology"}}
      ]}
 
   base_plugins = [
diff --git a/scripts/recalibrate_algo.py b/scripts/recalibrate_algo.py
index 7b86a4d9..17f0bbd5 100755
--- a/scripts/recalibrate_algo.py
+++ b/scripts/recalibrate_algo.py
@@ -343,7 +343,11 @@ DATA_GAP_RULES: list[dict] = [
         "key": "hrrr_climatology_rows",
         "broken_when": lambda v: v == 0,
         "warn_when": lambda _v: False,
-        "remediation": "Run `mix hrrr_climatology` (see lib/mix/tasks/hrrr_climatology.ex).",
+        "remediation": (
+            "Should self-heal within 24h via the daily 02:30Z cron that "
+            "runs AdminTaskWorker(task=climatology). If still 0 after a "
+            "day, check Oban dashboard for failed admin jobs."
+        ),
     },
     {
         "key": "rtma_rows",