diff --git a/backend/models/getRegionById.js b/backend/models/getRegionById.js
index 29677d7..4c42f86 100644
--- a/backend/models/getRegionById.js
+++ b/backend/models/getRegionById.js
@@ -26,18 +26,18 @@ module.exports = async (dbConn, id) => {
         FROM regions
         LEFT JOIN countries ON regions.country_id = countries.id
         LEFT JOIN (SELECT rcma.region_id, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean,"") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean_min, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_min, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean_max, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_max, 
-                GROUP_CONCAT(IFNULL(rcma.precipitation, "") ORDER BY rcma.month SEPARATOR ', ') AS precipitation, 
-                GROUP_CONCAT(IFNULL(rcma.rain_days, "") ORDER BY rcma.month SEPARATOR ', ') AS rain_days, 
-                GROUP_CONCAT(IFNULL(rcma.sun_hours, "") ORDER BY rcma.month SEPARATOR ', ') AS sun_hours, 
-                GROUP_CONCAT(IFNULL(rcma.humidity, "") ORDER BY rcma.month SEPARATOR ', ') AS humidity
+                GROUP_CONCAT(rcma.temperature_mean ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean, 
+                GROUP_CONCAT(rcma.temperature_mean_min ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_min, 
+                GROUP_CONCAT(rcma.temperature_mean_max ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_max, 
+                GROUP_CONCAT(rcma.precipitation ORDER BY rcma.month SEPARATOR ', ') AS precipitation, 
+                GROUP_CONCAT(rcma.rain_days ORDER BY rcma.month SEPARATOR ', ') AS rain_days, 
+                GROUP_CONCAT(rcma.sun_hours ORDER BY rcma.month SEPARATOR ', ') AS sun_hours, 
+                GROUP_CONCAT(rcma.humidity ORDER BY rcma.month SEPARATOR ', ') AS humidity
               FROM region_climate_monthly_avg AS rcma
               GROUP BY rcma.region_id) rcma ON rcma.region_id = regions.id
         LEFT JOIN regions_byt ON regions.id = regions_byt.region_id
         LEFT JOIN (SELECT rtma.region_id,
-              GROUP_CONCAT(IFNULL(rtma.avg_price_relative,"") ORDER BY rtma.month SEPARATOR ', ') AS avg_price_relative
+              GROUP_CONCAT(rtma.avg_price_relative ORDER BY rtma.month SEPARATOR ', ') AS avg_price_relative
               FROM regions_trivago_monthly_avg AS rtma
               GROUP BY rtma.region_id) rtma
         ON regions.id = rtma.region_id
@@ -56,18 +56,6 @@ module.exports = async (dbConn, id) => {
     region.sun_hours = arrayFormatting(region.sun_hours);
     region.humidity = arrayFormatting(region.humidity);
 
-
-    const emptyArr = Array.from({length: 12}, () => null)
-    if (region.avg_price_relative === null) region.avg_price_relative = emptyArr
-    if (region.temperature_mean === null) region.temperature_mean = emptyArr
-    if (region.temperature_mean_min === null) region.temperature_mean_min = emptyArr
-    if (region.temperature_mean_max === null) region.temperature_mean_max = emptyArr
-    if (region.temperature_mean_max === null) region.temperature_mean_max = emptyArr
-    if (region.precipitation === null) region.precipitation = emptyArr
-    if (region.rain_days === null) region.rain_days = emptyArr
-    if (region.sun_hours === null) region.sun_hours = emptyArr
-    if (region.humidity === null) region.humidity = emptyArr
-
     return region;
 };
 
diff --git a/backend/models/getRegions.js b/backend/models/getRegions.js
index 70392c5..16e5b98 100644
--- a/backend/models/getRegions.js
+++ b/backend/models/getRegions.js
@@ -26,22 +26,23 @@ module.exports = async (dbConn) => {
         FROM regions
         LEFT JOIN countries ON regions.country_id = countries.id
         LEFT JOIN (SELECT rcma.region_id, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean,"") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean_min, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_min, 
-                GROUP_CONCAT(IFNULL(rcma.temperature_mean_max, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_max, 
-                GROUP_CONCAT(IFNULL(rcma.precipitation, "") ORDER BY rcma.month SEPARATOR ', ') AS precipitation, 
-                GROUP_CONCAT(IFNULL(rcma.rain_days, "") ORDER BY rcma.month SEPARATOR ', ') AS rain_days, 
-                GROUP_CONCAT(IFNULL(rcma.sun_hours, "") ORDER BY rcma.month SEPARATOR ', ') AS sun_hours, 
-                GROUP_CONCAT(IFNULL(rcma.humidity, "") ORDER BY rcma.month SEPARATOR ', ') AS humidity
+                GROUP_CONCAT(rcma.temperature_mean ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean, 
+                GROUP_CONCAT(rcma.temperature_mean_min ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_min, 
+                GROUP_CONCAT(rcma.temperature_mean_max ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_max, 
+                GROUP_CONCAT(rcma.precipitation ORDER BY rcma.month SEPARATOR ', ') AS precipitation, 
+                GROUP_CONCAT(rcma.rain_days ORDER BY rcma.month SEPARATOR ', ') AS rain_days, 
+                GROUP_CONCAT(rcma.sun_hours ORDER BY rcma.month SEPARATOR ', ') AS sun_hours, 
+                GROUP_CONCAT(rcma.humidity ORDER BY rcma.month SEPARATOR ', ') AS humidity
               FROM region_climate_monthly_avg AS rcma
               GROUP BY rcma.region_id) rcma ON rcma.region_id = regions.id
         LEFT JOIN regions_byt ON regions.id = regions_byt.region_id
         LEFT JOIN (SELECT rtma.region_id,
-              GROUP_CONCAT(IFNULL(rtma.avg_price_relative,"") ORDER BY rtma.month SEPARATOR ', ') AS avg_price_relative
+              GROUP_CONCAT(rtma.avg_price_relative ORDER BY rtma.month SEPARATOR ', ') AS avg_price_relative
               FROM regions_trivago_monthly_avg AS rtma
               GROUP BY rtma.region_id) rtma
         ON regions.id = rtma.region_id
         WHERE regions_byt.travelstyle = 1`
+
     const [regions, tags] = await Promise.all([dbConn.query(sqlRegions), allTagsWithValues(dbConn)])
 
     for (k = 0; k < regions.length; k++) {
@@ -55,17 +56,18 @@ module.exports = async (dbConn) => {
         regions[k].humidity = arrayFormatting(regions[k].humidity);
 
     }
-    //console.log(regions.filter(region => region.rain_days === null))
+
+    /*
     return regions.map(region => {
         const emptyArr = Array.from({ length: 12 }, () => null)
-        if (region.avg_price_relative === null) region.avg_price_relative = emptyArr
-        if (region.temperature_mean === null) region.temperature_mean = emptyArr
-        if (region.temperature_mean_min === null) region.temperature_mean_min = emptyArr
-        if (region.temperature_mean_max === null) region.temperature_mean_max = emptyArr
-        if (region.precipitation === null) region.precipitation = emptyArr
-        if (region.rain_days === null) region.rain_days = emptyArr
-        if (region.sun_hours === null) region.sun_hours = emptyArr
-        if (region.humidity === null) region.humidity = emptyArr
+        if (region.avg_price_relative === null) region.avg_price_relative = undefined
+        if (region.temperature_mean === null) region.temperature_mean = undefined
+        if (region.temperature_mean_min === null) region.temperature_mean_min = undefined
+        if (region.temperature_mean_max === null) region.temperature_mean_max = undefined
+        if (region.precipitation === null) region.precipitation = undefined
+        if (region.rain_days === null) region.rain_days = undefined
+        if (region.sun_hours === null) region.sun_hours = undefined
+        if (region.humidity === null) region.humidity = undefined
 
         region.tags = tags.filter(tag => tag.region_id === region.region_id).map(tag => {
             delete tag.region_id
@@ -74,5 +76,8 @@ module.exports = async (dbConn) => {
 
         return region
     });
+    */
+
+    return regions;
 };