Thank you all for your suggestions. I tried "18" and I have got the following readings which is a whole lot better than where I started first at.

 cgminer version 3.7.2 - Started: [2014-02-01 21:39:06]
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 (5s):309.5K (avg):416.0Kh/s | A:32  R:0  HW:169  WU:30.7/m
 ST: 2  SS: 0  NB: 1  LW: 13  GF: 0  RF: 0
 Connected to stratum2.dogechain.info diff 15 with stratum as user ClueLez.xx
 Block: feb1f082...  Diff:1.4K  Started: [21:39:06]  Best share: 39
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 Pool management GPU management Settings Display options Quit
 GPU 0:  52.0C 1177RPM | 448.2K/416.0Kh/s | A:32 R:0 HW:169 WU:30.7/m I:18
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 [2014-02-01 21:39:02] Started cgminer 3.7.2
 [2014-02-01 21:39:02] Loaded configuration file cgminer.conf
 [2014-02-01 21:39:02] Probing for an alive pool
 [2014-02-01 21:39:06] Pool 0 difficulty changed to 32
 [2014-02-01 21:39:06] Network diff set to 1.4K
 [2014-02-01 21:39:14] Pool 0 difficulty changed to 15
 [2014-02-01 21:39:14] Stratum from pool 0 requested work restart
 [2014-02-01 21:39:14] Accepted 069dec79 Diff 39/32 GPU 0