diff --git a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyAttributes.cs b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyAttributes.cs
index 51842f65d5..7ab4232a19 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyAttributes.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyAttributes.cs
@@ -25,10 +25,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty
         public double SliderFactor { get; set; }
 
         [JsonProperty("aim_difficult_strain_count")]
-        public int AimDifficultStrainCount { get; set; }
+        public double AimDifficultStrainCount { get; set; }
 
         [JsonProperty("speed_difficult_strain_count")]
-        public int SpeedDifficultStrainCount { get; set; }
+        public double SpeedDifficultStrainCount { get; set; }
 
         [JsonProperty("approach_rate")]
         public double ApproachRate { get; set; }
diff --git a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
index 27d97e9d75..3c039c9b7e 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
@@ -40,8 +40,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
             double sliderFactor = aimRating > 0 ? aimRatingNoSliders / aimRating : 1;
 
-            int aimDifficultyStrainCount = ((OsuStrainSkill)skills[0]).CountDifficultStrains(clockRate);
-            int speedDifficultyStrainCount = ((OsuStrainSkill)skills[2]).CountDifficultStrains(clockRate);
+            double aimDifficultyStrainCount = ((OsuStrainSkill)skills[0]).CountDifficultStrains(clockRate);
+            double speedDifficultyStrainCount = ((OsuStrainSkill)skills[2]).CountDifficultStrains(clockRate);
 
             if (mods.Any(h => h is OsuModRelax))
                 speedRating = 0.0;
diff --git a/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs b/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
index fd751727a9..46dc9c683b 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
@@ -59,15 +59,15 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
         }
 
         /// <summary>
-        /// Returns the number of difficult strains.
-        /// A strain is considered difficult if it's higher than 66% of the highest strain.
+        /// Returns the number of strains above a threshold averaged as the threshold varies.
+        /// The result is scaled by clock rate as it affects the total number of strains.
         /// </summary>
-        public int CountDifficultStrains(double clockRate)
+        public double CountDifficultStrains(double clockRate)
         {
-            List<double> strains = GetCurrentStrainPeaks().OrderByDescending(d => d).ToList();
-
-            // Total number of strains in a map can vary by clockrate, and this needs to be corrected for.
-            return (int)(strains.Count(s => s > strains[0] * 0.66) * clockRate);
+            List<double> strains = GetCurrentStrainPeaks().ToList();
+            // This is the average value of strains.Count(s => s > p * strains.Max()) for p between 0 and 1.
+            double realtimeCount = strains.Sum() / strains.Max();
+            return clockRate * realtimeCount;
         }
     }
 }