diff --git a/agrolib/weatherGenerator/weatherGenerator.cpp b/agrolib/weatherGenerator/weatherGenerator.cpp
index 0328dde98..dcc8c6b30 100644
--- a/agrolib/weatherGenerator/weatherGenerator.cpp
+++ b/agrolib/weatherGenerator/weatherGenerator.cpp
@@ -1170,6 +1170,14 @@ bool computeSeasonalPredictions(TinputObsData *dailyObsData, TweatherGenClimate
         {
             outputDailyData[currentIndex].maxTemp = getTMax(myDoy, rainfallThreshold, wgClimate);
             outputDailyData[currentIndex].minTemp = getTMin(myDoy, rainfallThreshold, wgClimate);
+            if (outputDailyData[currentIndex].maxTemp < outputDailyData[currentIndex].minTemp)
+            {
+                float average,diff;
+                average = 0.5*(outputDailyData[currentIndex].maxTemp + outputDailyData[currentIndex].minTemp);
+                diff = outputDailyData[currentIndex].minTemp - outputDailyData[currentIndex].maxTemp;
+                outputDailyData[currentIndex].maxTemp = average + 0.5*diff;
+                outputDailyData[currentIndex].minTemp = average - 0.5*diff;
+            }
             outputDailyData[currentIndex].prec = getPrecip(myDoy, rainfallThreshold, wgClimate);
             indexWg.push_back(currentIndex);
         }
diff --git a/agrolib/weatherGenerator2D/weatherGenerator2D.pro b/agrolib/weatherGenerator2D/weatherGenerator2D.pro
index 869abf8f1..25c6e4b94 100644
--- a/agrolib/weatherGenerator2D/weatherGenerator2D.pro
+++ b/agrolib/weatherGenerator2D/weatherGenerator2D.pro
@@ -33,8 +33,10 @@ INCLUDEPATH += ../crit3dDate
 INCLUDEPATH += ../meteo
 INCLUDEPATH += ../gis
 INCLUDEPATH += ../crit3dDate
+INCLUDEPATH += ../waterTable
 INCLUDEPATH += ../weatherGenerator
 
+
 SOURCES += wg2D.cpp \
     randomset.cpp \
     wg2D_precipitation.cpp \
diff --git a/agrolib/weatherGenerator2D/wg2d.cpp b/agrolib/weatherGenerator2D/wg2d.cpp
index 29bf0a011..97b2f458d 100644
--- a/agrolib/weatherGenerator2D/wg2d.cpp
+++ b/agrolib/weatherGenerator2D/wg2d.cpp
@@ -460,9 +460,9 @@ void weatherGenerator2D::computeMonthlyVariables()
         weibullDailyParameterLambda[i] = (double*)calloc(365,sizeof(double));
         interpolatedDailyValuePrecAverage[i] = (float*)calloc(365,sizeof(float));
         interpolatedDailyValuePrecVariance[i] = (float*)calloc(365,sizeof(float));
-        cubicSplineYearInterpolate(monthlyAveragePrec[i],interpolatedDailyValuePrecAverage[i]);
-        cubicSplineYearInterpolate(monthlyStdDevPrec[i],interpolatedDailyValuePrecVariance[i]);
-        for (int j=0;j<365;j++)
+        interpolation::cubicSplineYearInterpolate(monthlyAveragePrec[i], interpolatedDailyValuePrecAverage[i]);
+        interpolation::cubicSplineYearInterpolate(monthlyStdDevPrec[i], interpolatedDailyValuePrecVariance[i]);
+        for (int j=0; j < 365; j++)
         {
             interpolatedDailyValuePrecVariance[i][j] *= interpolatedDailyValuePrecVariance[i][j];
         }