Hello.<br/><br/>What is the difference in meaning between these sentences?<br/><br/>a) We had no rain <font color="red">from</font> March <font color="red">right through</font> <font color="red">to</font> October.<br/><br/>b) We had no rain <font color="red">from</font> March <font color="red">to</font> October.<br/><br/>Thanks.