diff --git a/Gemfile b/Gemfile
index 7a3daa0..76f5947 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,4 @@
 source 'https://rubygems.org'
-ruby "2.3.6"
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.0'
@@ -34,7 +33,7 @@ gem 'sdoc', '~> 0.4.0', group: :doc
 # gem 'bcrypt', '~> 3.1.7'
 
 # Use Puma as the app server
-gem 'puma'
+gem 'puma', '3.11.3'
 
 # 3rd Party Services
 gem 'omniauth-salesforce'
diff --git a/Gemfile.lock b/Gemfile.lock
index 001ca59..456f9c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,8 +125,7 @@ GEM
     omniauth-salesforce (1.0.5)
       omniauth (~> 1.0)
       omniauth-oauth2 (~> 1.0)
-    puma (2.11.1)
-      rack (>= 1.1, < 2.0)
+    puma (3.11.3)
     rack (1.6.0)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -227,7 +226,7 @@ DEPENDENCIES
   jquery-rails
   momentjs-rails
   omniauth-salesforce
-  puma
+  puma (= 3.11.3)
   rails (= 4.2.0)
   rspec-rails (~> 3.0)
   sass-rails (~> 5.0)
@@ -236,3 +235,6 @@ DEPENDENCIES
   turbolinks
   uglifier (>= 1.3.0)
   web-console (~> 2.0)
+
+BUNDLED WITH
+   1.16.1
diff --git a/app/controllers/event_log_files_controller.rb b/app/controllers/event_log_files_controller.rb
index c4c9f48..a6cd362 100644
--- a/app/controllers/event_log_files_controller.rb
+++ b/app/controllers/event_log_files_controller.rb
@@ -28,6 +28,12 @@ def index
     end
 
     @event_type = @event_types.find { |event_type| event_type.downcase == params[:eventtype].downcase }
+    
+    if params[:interval].nil?
+      @interval = "all"
+    else
+      @interval = params[:interval]
+    end
 
     if @event_type.nil?
       flash_message(:warnings, "The 'eventtype' query parameter with value '#{params[:eventtype]}' is invalid. Displaying all event types.")
@@ -57,14 +63,21 @@ def index
                         end      
 
       where_clause_addition = if @has_one_hr_elf
-                                "AND (Interval = 'Hourly' OR Interval = 'Daily') "
+                                case @interval
+                                when "daily"
+                                  "AND Interval = 'Daily' "
+                                when "hourly"
+                                  "AND Interval = 'Hourly' "
+                                else
+                                  "AND (Interval = 'Hourly' OR Interval = 'Daily') "
+                                end
                               else
                                 ""
                               end
       if @event_type == ALL_EVENTS_TYPE
-        @log_files = @client.query("#{select_clause} FROM EventLogFile WHERE LogDate >= #{date_to_time(@start_date)} AND LogDate <= #{date_to_time(@end_date)} #{where_clause_addition}#{order_by_clause}")
+        @log_files = @client.query("#{select_clause} FROM EventLogFile WHERE LogDate >= #{date_to_time(@start_date)} AND LogDate < #{date_to_time(@end_date + 1)} #{where_clause_addition}#{order_by_clause}")
       else
-        @log_files = @client.query("#{select_clause} FROM EventLogFile WHERE LogDate >= #{date_to_time(@start_date)} AND LogDate <= #{date_to_time(@end_date)} AND EventType = '#{@event_type}' #{where_clause_addition}#{order_by_clause}")
+        @log_files = @client.query("#{select_clause} FROM EventLogFile WHERE LogDate >= #{date_to_time(@start_date)} AND LogDate < #{date_to_time(@end_date + 1)} AND EventType = '#{@event_type}' #{where_clause_addition}#{order_by_clause}")
       end
     rescue Databasedotcom::SalesForceError => e
       # Session has expired. Force user logout.
diff --git a/app/views/event_log_files/index.html.haml b/app/views/event_log_files/index.html.haml
index fa83a71..33fbdd7 100644
--- a/app/views/event_log_files/index.html.haml
+++ b/app/views/event_log_files/index.html.haml
@@ -9,6 +9,13 @@
       %label
         Event Type
       = select_tag('eventtype', options_for_select(@event_types, @event_type), class: 'form-control')
+
+    - if @has_one_hr_elf
+      .form-group
+        %label
+          Interval
+        = select_tag('interval', options_for_select([['All', 'all'], ['Daily', 'daily'], ['Hourly', 'hourly']], @interval), class: 'form-control')
+
     %button.btn.btn-primary{type: 'submit'}
       Apply
     = link_to('Clear', event_log_files_path, class: "btn btn-default")