diff --git a/server/src/sensors.mjs b/server/src/sensors.mjs
index d61b33a..c00fa9c 100644
--- a/server/src/sensors.mjs
+++ b/server/src/sensors.mjs
@@ -67,6 +67,7 @@ export async function queryDaily(start, end) {
 
 	means.forEach(r => {
 		r.values.forEach(([ts, val]) => {
+			if(r.metric.__name__.startsWith('system_')) return;
 			const time = new Date(ts * 1000).toISOString().slice(0, 10);
 			if (!byTime[time]) byTime[time] = {time};
 			byTime[time][r.metric.__name__.replace('weather_', '')] = parseFloat(val);