diff --git a/fhem/FHEM/98_average.pm b/fhem/FHEM/98_average.pm
index c71046621..ae6135f8e 100644
--- a/fhem/FHEM/98_average.pm
+++ b/fhem/FHEM/98_average.pm
@@ -60,9 +60,11 @@ average_Notify($$)
     next if(!defined($s));
     my ($evName, $val) = split(" ", $s, 2); # resets $1
     next if($devName !~ m/^$re$/ && "$devName:$s" !~ m/^$re$/ || $s =~ m/_avg_/);
-    $val = $1 if(defined($1));
-    next if(!defined($val) || $val !~ m/^(\d+\.?\d*)/);
-    $val = $1;
+    if(defined($1)) {
+      my $reArg = $1;
+      $val = $reArg if(defined($reArg) && $reArg =~ m/^(-?\d+\.?\d*)/);
+    }
+    next if(!defined($val) || $val !~ m/^(-?\d+\.?\d*)/);
 
     ################
     # Avg computing
@@ -96,7 +98,6 @@ average_Notify($$)
         my $cum = $r->{$cumName}{VAL} + ($secNow-$secLast) * $val;
         $r->{$cumName}{VAL} = $cum;
         $r->{$avgName}{VAL} = sprintf("%0.1f", $cum/$secNow);
-
       } else {
         $trigger .= " $avgName:".$r->{$avgName}{VAL};
         $r->{$cumName}{VAL} = $secNow*$val;
diff --git a/fhem/docs/commandref.html b/fhem/docs/commandref.html
index ec2c66663..a88a3f24c 100644
--- a/fhem/docs/commandref.html
+++ b/fhem/docs/commandref.html
@@ -571,7 +571,7 @@ A line ending with \ will be concatenated with the next one, so long lines
               "room": "Server",
               "statefile": "/var/cache/fhem/fhem.save",
               "verbose": "4",
-              "version": "=VERS= from =DATE= ($Id: fhem.pl,v 1.150 2011-08-16 18:06:38 rudolfkoenig Exp $)"
+              "version": "=VERS= from =DATE= ($Id: fhem.pl,v $)"
             },
             "READINGS": []
           }
@@ -2262,7 +2262,7 @@ A line ending with \ will be concatenated with the next one, so long lines
   <a name="CULdefine"></a>
   <b>Define</b>
   <ul>
-    <code>define &lt;name&gt; CUL &lt;device&gt; &lt;housecode&gt;</code> <br>
+    <code>define &lt;name&gt; CUL &lt;device&gt; &lt;FHTID&gt;</code> <br>
     <br>
     USB-connected devices (CUL/CUR/CUN):<br><ul>
       &lt;device&gt; specifies the serial port to communicate with the CUL or
@@ -2292,8 +2292,9 @@ A line ending with \ will be concatenated with the next one, so long lines
     If the device is called none, then no device will be opened, so you
     can experiment without hardware attached.<br>
 
-    The housecode is a 4 digit hex number, and it is used when the CUL/CUR
-    talks to FHT devices or when CUR requests data.
+    The FHTID is a 4 digit hex number, and it is used when the CUL/CUR talks to
+    FHT devices or when CUR requests data. Set it to 0000 to avoid answering
+    any FHT80b request by the CUL.
   </ul>
   <br>
 
@@ -6810,7 +6811,7 @@ href="http://www.elv.de/output/controller.aspx?cid=74&detail=10&detail2=29870">U
     define a4 at *17:00:00 set lamp on                           # every day
 
     # relative ones
-    define a5 at +00:00:10 set lamp on                  # switch the lamp on in 10 seconds
+    define a5 at +00:00:10 set lamp on                  # switch on in 10 seconds
     define a6 at +00:00:02 set lamp on-for-timer 1      # Blink once in 2 seconds
     define a7 at +*{3}00:00:02 set lamp on-for-timer 1  # Blink 3 times
 
@@ -7022,7 +7023,15 @@ href="http://www.elv.de/output/controller.aspx?cid=74&detail=10&detail2=29870">U
     define avg_temp_ws1 average .*:temperature.*
 
     # Compute the average for all temperature and humidity events
+    # Events:
+    # ws1 temperature: 22.3
+    # ws1 humidity: 67.4
     define avg_temp_ws1 average .*:(temperature|humidity).*
+
+    # Hunt only for the humidity: take the value from the first
+    # parenthesis ($1 in perl regexp) if it is a number
+    # Event: ws1 T: 52.3  H: 67.4
+    define avg_temp_ws1 average ws1:.*H:.([-\d\.]+)
     </PRE>
   </ul>
 
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index b1f792a1d..a3d2c4984 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -1580,6 +1580,7 @@ GlobalAttr($$)
       return "$!" if($init_done);
       die "Can't open server port at $port: $!\n";
     }
+    Log 2, "Telnet port $port opened";
     close($server) if($server);
     $server = $server2;
   }