diff --git a/internal/dao/sensor.go b/internal/dao/sensor.go
index d3f1957..220c7ac 100644
--- a/internal/dao/sensor.go
+++ b/internal/dao/sensor.go
@@ -69,7 +69,7 @@ func (dao *SensorDAO) GetAggregatedData(start, end time.Time, interval string) (
 				'%Y-%m-%dT%H:%i:00'
 			) AS bucket_time,
 			ROUND(AVG(temperature)/10, 1) AS avg_temp,
-			MAX(rainfall) - MIN(rainfall) AS rainfall,
+			ROUND((MAX(rainfall) - MIN(rainfall))/10, 1) AS rainfall,
 			ROUND(AVG(humidity)/10, 1) AS avg_humidity,
 			ROUND(AVG(wind_speed)/100, 1) AS avg_wind_speed,
 			ROUND(AVG(atm_pressure)/10, 1) AS avg_atm_pressure,
@@ -256,7 +256,7 @@ func (dao *SensorDAO) GetRawData(start, end time.Time) ([]model.AggregatedData,
 		SELECT 
 			timestamp,
 			temperature/10 AS temperature,
-			rainfall,
+			rainfall/10 AS rainfall,
 			humidity/10 AS humidity,
 			wind_speed/100 AS wind_speed,
 			atm_pressure/10 AS atm_pressure,