foreach $key (keys %key_hash) {
    print "KEY: $key\n";
    print "MIN_TIME_DIFF: $key_hash{$key}{Min_Time_Diff}\n";
    print "MAX_TIME_DIFF: $key_hash{$key}{Max_Time_Diff}\n";
    print "ERROR STATUS: $key_hash{$key}{Error_Status}\n";
    foreach my $value (%{$key_hash{$key}}) {
	print "VALUE: $value\n";
    }
}