fix?

services/forecast_service.go

@@ -53,7 +53,11 @@ func GetStageYearData(ctx common.DawnCtx, request models.GddRequest, comparison
 		// anomaly adjustment function
 		// cfsGddData := utils.CalculateGddValuesCfsNormed(c.MinTemps, c.MaxTemps, product, cfsMeans.MinTemps, cfsMeans.MaxTemps, normalMeanNonAcc) // not accumulated
 		gddArr[i] = append(gddArr[i], cfsGddData...)
-		gddArr[i] = append(gddArr[i], normalMeanNonAcc[len(gddArr[i]):]...)
+		if len(gddArr[i]) > len(normalMeanNonAcc) {
+			gddArr[i] = gddArr[i][:len(normalMeanNonAcc)]
+		} else {
+			gddArr[i] = append(gddArr[i], normalMeanNonAcc[len(gddArr[i]):]...)
+		}
 	}
 	// none of this data is accumulated
 	returnData := models.StageData{