Index: wp-admin/includes/class-wp-list-table.php
===================================================================
--- wp-admin/includes/class-wp-list-table.php	(revision 21773)
+++ wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -362,11 +362,16 @@
 	 */
 	function months_dropdown( $post_type ) {
 		global $wpdb, $wp_locale;
-
+		$extra_checks = "";
+		if($_GET['post_status'] != "trash"){
+		$extra_checks = "AND post_status != 'trash'";
+		}	
 		$months = $wpdb->get_results( $wpdb->prepare( "
 			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
 			FROM $wpdb->posts
 			WHERE post_type = %s
+			AND post_status != 'auto-draft' 
+			".$extra_checks."
 			ORDER BY post_date DESC
 		", $post_type ) );