diff --git a/lib/Statistics/Histogram.cpp b/lib/Statistics/Histogram.cpp
index 4f2cf06..832d4d7 100644
--- a/lib/Statistics/Histogram.cpp
+++ b/lib/Statistics/Histogram.cpp
@@ -146,6 +146,16 @@ double Histogram::getX(const Index i) const
     return x_(i);
 }
 
+double Histogram::getXMin(void) const
+{
+    return xMin_;
+}
+
+double Histogram::getXMax(void) const
+{
+    return xMax_;
+}
+
 double Histogram::operator[](const Index i) const
 {
     return bin_(i)*(isNormalized() ? norm_ : 1.);
diff --git a/lib/Statistics/Histogram.hpp b/lib/Statistics/Histogram.hpp
index 43c24b1..8a9d126 100644
--- a/lib/Statistics/Histogram.hpp
+++ b/lib/Statistics/Histogram.hpp
@@ -52,6 +52,8 @@ public:
     const StatArray<double> & getData(void) const;
     const StatArray<double> & getWeight(void) const;
     double                    getX(const Index i) const;
+    double                    getXMin(void) const;
+    double                    getXMax(void) const;
     double                    operator[](const Index i) const;
     double                    operator()(const double x) const;
     // percentiles & confidence interval