diff --git a/pi_temp.py b/pi_temp.py
index db209a0..666e196 100755
--- a/pi_temp.py
+++ b/pi_temp.py
@@ -189,10 +189,13 @@ def get_records():
         to_date_utc     = arrow_time_to.strftime("%Y-%m-%d %H:%M")
         from_date_str   = arrow_time_from.to(timezone).strftime("%Y-%m-%d %H:%M")
         to_date_str     = arrow_time_to.to(timezone).strftime("%Y-%m-%d %H:%M")
+        range_hours     = range_h_int
     else:
         #Convert datetimes to UTC so we can retrieve the appropriate records from the database
         from_date_utc   = arrow.get(from_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")   
         to_date_utc     = arrow.get(to_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")
+        difference      = (arrow.get(to_date_obj, timezone) - arrow.get(from_date_obj, timezone))
+        range_hours     = (difference.total_seconds()) / 3600
 
     conn                = sqlite3.connect('pi_temp.db')
     curs                = conn.cursor()
@@ -202,7 +205,7 @@ def get_records():
     humidities          = curs.fetchall()
     conn.close()
 
-    return [temperatures, humidities, timezone, from_date_str, to_date_str, range_h_int]
+    return [temperatures, humidities, timezone, from_date_str, to_date_str, range_hours]
 
 def validate_date(d):
     try: