diff --git a/apps/fo/app/store/dashboard/index.tsx b/apps/fo/app/store/dashboard/index.tsx
index e4b87e853..8ad56e070 100644
--- a/apps/fo/app/store/dashboard/index.tsx
+++ b/apps/fo/app/store/dashboard/index.tsx
@@ -1031,12 +1031,12 @@ export const calRainEffectDayRainManage = (data: RainManageListProps[]) => {
     for(let idx = 0; idx < data.length; idx++) {
         if(data[idx] && data[idx]?.rainEffectDay === 1) {
             if(idx > 1){
-                if(data[idx-1]?.infoRnDay && Number(data[idx-1]?.infoRnDay) >= 3) {
+                if(data[idx-1]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3  && Number(data[idx-1]?.infoRnDay) >= 3) {
                     data[idx]!.infoRnDay = data[idx-1]!.infoRnDay;
                 }
             }
             if(idx > 2){
-                if(data[idx-2]?.infoRnDay && Number(data[idx-2]?.infoRnDay) >= 3) {
+                if(data[idx-2]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-2]?.infoRnDay) >= 3) {
                     data[idx]!.infoRnDay = data[idx-2]!.infoRnDay;
                 }
             }
diff --git a/apps/fo/app/store/facilityWaterQlty/index.tsx b/apps/fo/app/store/facilityWaterQlty/index.tsx
index 7ea759810..5b7bcf816 100644
--- a/apps/fo/app/store/facilityWaterQlty/index.tsx
+++ b/apps/fo/app/store/facilityWaterQlty/index.tsx
@@ -604,12 +604,12 @@ export const facilityWaterQltyReducer = (set: (fn: (state: FacilityWaterQltyType
             for(let idx = 0; idx < data.length; idx++) {
                 if(data[idx] && data[idx]?.rainEffectDay === 1) {
                     if(idx > 1){
-                        if(data[idx-1]?.infoRnDay && Number(data[idx-1]?.infoRnDay) > 3) {
+                        if(data[idx-1]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3  && Number(data[idx-1]?.infoRnDay) >= 3) {
                             data[idx]!.infoRnDay = data[idx-1]!.infoRnDay;
                         }
                     }
                     if(idx > 2){
-                        if(data[idx-2]?.infoRnDay && Number(data[idx-2]?.infoRnDay) > 3) {
+                        if(data[idx-2]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-2]?.infoRnDay) >= 3) {
                             data[idx]!.infoRnDay = data[idx-2]!.infoRnDay;
                         }
                     }
diff --git a/apps/fo/app/store/flowRate/index.tsx b/apps/fo/app/store/flowRate/index.tsx
index 52d5fae94..ec64465d0 100644
--- a/apps/fo/app/store/flowRate/index.tsx
+++ b/apps/fo/app/store/flowRate/index.tsx
@@ -154,7 +154,7 @@ const upHeadListFlowRateModal:TableUpperProps[] = [
     { id: "sumFlow", title: "연계처리량(m³/일)", align:"right"},
     { id: "returnAmnt", title: "총인 반류수량(m³/일)", align:"right"},
     { id: "efflAmnt", title: "방류량(m³/일)", align:"right"},
-    /* { id: "infoRnDay", title: "강우량(mm/일)", align:"right"} */
+    { id: "infoRnDay", title: "강우량(mm/일)", align:"right"} 
 ]
 
 const modalFlowRateListYear:FlowRateModalProps[] = [
@@ -348,12 +348,12 @@ export const flowRateSearchReducer:(set:(fn: (state: FlowRateSearchType) => Flow
             for(let idx = 0; idx < data.length; idx++) {
                 if(data[idx] && data[idx]?.rainEffectDay === 1) {
                     if(idx > 1){
-                        if(data[idx-1]?.infoRnDay && Number(data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
+                        if(data[idx-1]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
                             data[idx]!.infoRnDay = data[idx-1]!.infoRnDay;
                         }
                     }
                     if(idx > 2){
-                        if(data[idx-2]?.infoRnDay && Number(data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
+                        if(data[idx-2]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
                             data[idx]!.infoRnDay = data[idx-2]!.infoRnDay;
                         }
                     }
diff --git a/apps/fo/app/store/sewageOccur/index.tsx b/apps/fo/app/store/sewageOccur/index.tsx
index 4bc5ae225..4a6d055f0 100644
--- a/apps/fo/app/store/sewageOccur/index.tsx
+++ b/apps/fo/app/store/sewageOccur/index.tsx
@@ -264,12 +264,12 @@ export const sewageOccurReducer:(set:any)=>SewageOccurActions=(set: any) => {
                 for(let idx = 0; idx < res2.data.length; idx++) {
                     if(res2.data[idx] && res2.data[idx]?.rainEffectDay === 1) {
                         if(idx > 1){
-                            if(res2.data[idx-1]?.infoRnDay && Number(res2.data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
+                            if(res2.data[idx-1]?.infoRnDay && Number(res2.data[idx]?.infoRnDay) < 3 && Number(res2.data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
                                 res2.data[idx]!.infoRnDay = res2.data[idx-1]!.infoRnDay;
                             }
                         }
                         if(idx > 2){
-                            if(res2.data[idx-2]?.infoRnDay && Number(res2.data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
+                            if(res2.data[idx-2]?.infoRnDay && Number(res2.data[idx]?.infoRnDay) < 3 && Number(res2.data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
                                 res2.data[idx]!.infoRnDay = res2.data[idx-2]!.infoRnDay;
                             }
                         }
diff --git a/apps/fo/app/store/underWaterInput/index.tsx b/apps/fo/app/store/underWaterInput/index.tsx
index aaf6a7425..e9c664b99 100644
--- a/apps/fo/app/store/underWaterInput/index.tsx
+++ b/apps/fo/app/store/underWaterInput/index.tsx
@@ -294,12 +294,12 @@ export const calRainEffectDay = (data: any, weather: string) => {
     for(let idx = 0; idx < data.length; idx++) {
         if(data[idx] && data[idx]?.rainEffectDay === 1) {
             if(idx > 1){
-                if(data[idx-1]?.infoRnDay && Number(data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
+                if(data[idx-1]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-1]?.infoRnDay.toString().trim()) >= 3) {
                     data[idx]!.infoRnDay = data[idx-1]!.infoRnDay;
                 }
             }
             if(idx > 2){
-                if(data[idx-2]?.infoRnDay && Number(data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
+                if(data[idx-2]?.infoRnDay && Number(data[idx]?.infoRnDay) < 3 && Number(data[idx-2]?.infoRnDay.toString().trim()) >= 3) {
                     data[idx]!.infoRnDay = data[idx-2]!.infoRnDay;
                 }
             }