All of a sudden difficulty got too high to mine ....normally i get around 1.3-1.4 coins with 240 h/s and from last 4 hours i am getting 0.4 to 0.5
1.3-1.4 coins daily with a 240 h/s, are you sure? At suprnova I got:
My Hashrate: 65.98 MH/s
Last Hour 0.33375251
0.33 coin/hour with 66 mh/s.