Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/HydraRingDistributionType.cs
===================================================================
diff -u -r4bab160dd44cb5e104ad8fbf2bb49add8227c116 -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/HydraRingDistributionType.cs	(.../HydraRingDistributionType.cs)	(revision 4bab160dd44cb5e104ad8fbf2bb49add8227c116)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/HydraRingDistributionType.cs	(.../HydraRingDistributionType.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -31,6 +31,7 @@
     {
         Deterministic = 0,
         Normal = 2,
-        LogNormal = 4 // Also applies to log-normal distributions with a non-zero shift
+        LogNormal = 4, // Also applies to log-normal distributions with a non-zero shift
+        RayleighN = 18
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresStabilityPointCalculationInput.cs
===================================================================
diff -u -r512177cc50d892bede45024499342a94ae867cfb -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresStabilityPointCalculationInput.cs	(.../StructuresStabilityPointCalculationInput.cs)	(revision 512177cc50d892bede45024499342a94ae867cfb)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresStabilityPointCalculationInput.cs	(.../StructuresStabilityPointCalculationInput.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -341,7 +341,7 @@
                 yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN,
                                                    HydraRingDeviationType.Standard, modelFactorLoadEffectMean,
                                                    modelFactorLoadEffectStandardDeviation, double.NaN);
-                yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN,
+                yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN,
                                                    HydraRingDeviationType.Standard, waveRatioMaxHMean,
                                                    waveRatioMaxHStandardDeviation, double.NaN);
                 yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, verticalDistance,
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/HydraRingDistributionTypeTest.cs
===================================================================
diff -u -r759de5bbd411b0140aa72d2887a026f3e4b3eb97 -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/HydraRingDistributionTypeTest.cs	(.../HydraRingDistributionTypeTest.cs)	(revision 759de5bbd411b0140aa72d2887a026f3e4b3eb97)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/HydraRingDistributionTypeTest.cs	(.../HydraRingDistributionTypeTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -31,7 +31,7 @@
         [Test]
         public void Values_HasThree()
         {
-            Assert.AreEqual(3, Enum.GetValues(typeof(HydraRingDistributionType)).Length);
+            Assert.AreEqual(4, Enum.GetValues(typeof(HydraRingDistributionType)).Length);
         }
 
         [Test]
@@ -40,6 +40,7 @@
             Assert.AreEqual(0, (int) HydraRingDistributionType.Deterministic);
             Assert.AreEqual(2, (int) HydraRingDistributionType.Normal);
             Assert.AreEqual(4, (int) HydraRingDistributionType.LogNormal);
+            Assert.AreEqual(18, (int) HydraRingDistributionType.RayleighN);
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointCalculationInputTest.cs
===================================================================
diff -u -re40b8bea898defcff93765d69b82cc12c5bc6645 -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointCalculationInputTest.cs	(.../StructuresStabilityPointCalculationInputTest.cs)	(revision e40b8bea898defcff93765d69b82cc12c5bc6645)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointCalculationInputTest.cs	(.../StructuresStabilityPointCalculationInputTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -169,7 +169,7 @@
             yield return new HydraRingVariable(130, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 18.18, 19.19, double.NaN);
             yield return new HydraRingVariable(131, HydraRingDistributionType.Deterministic, 0.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 1.0, 0.05, double.NaN);
-            yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
+            yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
             yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, 20.20, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(135, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(136, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertLinearCalculationInputTest.cs
===================================================================
diff -u -rf1e91e7553e8abbd2b82911ad00a9a13f884814d -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertLinearCalculationInputTest.cs	(.../StructuresStabilityPointFloodedCulvertLinearCalculationInputTest.cs)	(revision f1e91e7553e8abbd2b82911ad00a9a13f884814d)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertLinearCalculationInputTest.cs	(.../StructuresStabilityPointFloodedCulvertLinearCalculationInputTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -211,7 +211,7 @@
             yield return new HydraRingVariable(130, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 18.18, 19.19, double.NaN);
             yield return new HydraRingVariable(131, HydraRingDistributionType.Deterministic, 0.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 1.0, 0.05, double.NaN);
-            yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
+            yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
             yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, 20.20, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(135, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(136, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertQuadraticCalculationInputTest.cs
===================================================================
diff -u -rf1e91e7553e8abbd2b82911ad00a9a13f884814d -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertQuadraticCalculationInputTest.cs	(.../StructuresStabilityPointFloodedCulvertQuadraticCalculationInputTest.cs)	(revision f1e91e7553e8abbd2b82911ad00a9a13f884814d)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointFloodedCulvertQuadraticCalculationInputTest.cs	(.../StructuresStabilityPointFloodedCulvertQuadraticCalculationInputTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -211,7 +211,7 @@
             yield return new HydraRingVariable(130, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 18.18, 19.19, double.NaN);
             yield return new HydraRingVariable(131, HydraRingDistributionType.Deterministic, 0.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 1.0, 0.05, double.NaN);
-            yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
+            yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
             yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, 20.20, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(135, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(136, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillLinearCalculationInputTest.cs
===================================================================
diff -u -rf1e91e7553e8abbd2b82911ad00a9a13f884814d -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillLinearCalculationInputTest.cs	(.../StructuresStabilityPointLowSillLinearCalculationInputTest.cs)	(revision f1e91e7553e8abbd2b82911ad00a9a13f884814d)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillLinearCalculationInputTest.cs	(.../StructuresStabilityPointLowSillLinearCalculationInputTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -211,7 +211,7 @@
             yield return new HydraRingVariable(130, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 18.18, 19.19, double.NaN);
             yield return new HydraRingVariable(131, HydraRingDistributionType.Deterministic, 0.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 1.0, 0.05, double.NaN);
-            yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
+            yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
             yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, 20.20, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(135, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(136, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillQuadraticCalculationInputTest.cs
===================================================================
diff -u -rf1e91e7553e8abbd2b82911ad00a9a13f884814d -rec48346dd416b57d7fa2ac0a45b6922f3895fd5f
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillQuadraticCalculationInputTest.cs	(.../StructuresStabilityPointLowSillQuadraticCalculationInputTest.cs)	(revision f1e91e7553e8abbd2b82911ad00a9a13f884814d)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresStabilityPointLowSillQuadraticCalculationInputTest.cs	(.../StructuresStabilityPointLowSillQuadraticCalculationInputTest.cs)	(revision ec48346dd416b57d7fa2ac0a45b6922f3895fd5f)
@@ -211,7 +211,7 @@
             yield return new HydraRingVariable(130, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 18.18, 19.19, double.NaN);
             yield return new HydraRingVariable(131, HydraRingDistributionType.Deterministic, 0.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(132, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 1.0, 0.05, double.NaN);
-            yield return new HydraRingVariable(133, HydraRingDistributionType.Normal, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
+            yield return new HydraRingVariable(133, HydraRingDistributionType.RayleighN, double.NaN, HydraRingDeviationType.Standard, 5000, 0.5, double.NaN);
             yield return new HydraRingVariable(134, HydraRingDistributionType.Deterministic, 20.20, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(135, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);
             yield return new HydraRingVariable(136, HydraRingDistributionType.Deterministic, 1.0, HydraRingDeviationType.Standard, double.NaN, double.NaN, double.NaN);