Difficulty Rise, but networkhash down. Showes some one give up mining the coin .
06:22:29

{
"blocks" : 20628,
"currentblocksize" : 0,
"currentblocktx" : 0,
"difficulty" : 275739.30446906,
"errors" : "",
"genproclimit" : -1,
"networkhashps" : 6027489690,
"pooledtx" : 2,
"testnet" : false,
"generate" : false,
"hashespersec" : 0
}
23:38:00

getmininginfo
23:38:00

{
"blocks" : 21904,
"currentblocksize" : 0,
"currentblocktx" : 0,
"difficulty" : 318958.52325648,
"errors" : "",
"genproclimit" : -1,
"networkhashps" : 5529447830,
"pooledtx" : 1,
"testnet" : false,
"generate" : false,
"hashespersec" : 0
}