diff --git a/detector.c b/detector.c
index a16d817..b9a754b 100644
--- a/detector.c
+++ b/detector.c
@@ -504,6 +504,22 @@ void event_baseline(event *current_event, double baseline_min, double baseline_m
         }
         current_event->baseline_before = baseline_before;
         current_event->baseline_after = baseline_after;
+
+        int64_t i;
+        int64_t length = current_event->length + current_event->padding_before + current_event->padding_after;
+        double maxdeviation = 0;
+        double deviation;
+        double baseline = 0.5 * (baseline_before + baseline_after);
+        for (i=0; i<length; i++)
+        {
+            deviation = d_abs(current_event->signal[i] - baseline);
+            if (deviation > maxdeviation)
+            {
+                maxdeviation = deviation;
+            }
+        }
+        current_event->maxdeviation = maxdeviation;
+
     }
 }
 
diff --git a/io.c b/io.c
index dcd4184..4addd7a 100644
--- a/io.c
+++ b/io.c
@@ -200,6 +200,7 @@ n_levels,\
 rc_const1_us,\
 rc_const2_us,\
 residual_pA,\
+max_deviation_pA,\
 level_current_pA,\
 level_duration_us,\
 blockages_pA,\
@@ -247,6 +248,7 @@ void print_event_line(FILE *events, FILE *rate, event *current, double timestep,
             %d,\
             %g,\
             %g,\
+            %g,\
             %g,",\
             current->index, \
             current->type, \
@@ -266,7 +268,8 @@ void print_event_line(FILE *events, FILE *rate, event *current, double timestep,
             current->numlevels, \
             current->rc1 * timestep * 1e6, \
             current->rc2 * timestep * 1e6, \
-            current->residual);
+            current->residual, \
+            current->maxdeviation);
         while (level)
         {
             fprintf(events,"%g",level->current);
diff --git a/utils.h b/utils.h
index 0048c0e..12d3e26 100644
--- a/utils.h
+++ b/utils.h
@@ -99,6 +99,7 @@ struct Event
     double rc1;
     double rc2;
     double residual;
+    double maxdeviation;
     struct Edge *first_edge;
     struct Cusumlevel *first_level;
 };