I have in the last 8 minute increased my hash rate with 300 mhps. ( i come from working to home )
The other GPU has worked the whole night, and the whole 18405 block with 200 mhps.
Why become i lower reward for that?

18405    2013-06-05 06:48:52    0:30:54    5641099    97    0.00025243    239843    25.40456001    94 confirmations left
18404    2013-06-05 06:17:58    0:26:21    4624965    67    0.00044449    239839    25.29670000    90 confirmations left

Thanks for answers.