diff --git a/src/calculation_time_constrains/service.py b/src/calculation_time_constrains/service.py
index f44480c..6ffee7f 100644
--- a/src/calculation_time_constrains/service.py
+++ b/src/calculation_time_constrains/service.py
@@ -123,7 +123,7 @@ class ReliabilityService:
         random.seed(hash(location_tag) % 1000)
 
         # Base parameters for realistic failure patterns
-        base_monthly_failures = random.uniform(0.05, 0.5)  # Base failures per month
+        base_monthly_failures = random.uniform(0.5, 1.25)  # Base failures per month
         seasonal_amplitude = random.uniform(0.3, 0.8)     # Seasonal variation strength
         trend_slope = random.uniform(-0.01, 0.02)         # Long-term trend (slight increase over time)
         noise_level = random.uniform(0.1, 0.3)            # Random variation