diff --git a/climate-drainage-ngs/grafana/queries/historical-state.sql b/climate-drainage-ngs/grafana/queries/historical-state.sql
new file mode 100644
index 0000000..eccf410
--- /dev/null
+++ b/climate-drainage-ngs/grafana/queries/historical-state.sql
@@ -0,0 +1,15 @@
+SELECT
+    ts,
+    raw_drain_state,
+    sample_valid,
+    drain_state,
+    control_state,
+    semantic_state,
+    battery_v
+FROM mv_hot.drain_readings
+WHERE tenant = 'tma4p1aego_lab'
+  AND site = 'bench_gh01'
+  AND product = 'climate'
+  AND asset = 'drain-01'
+ORDER BY ts DESC
+LIMIT 20;
\ No newline at end of file