My coverage keeps changing !!!

[Wireless2]

Saterday: My house coverage is listed as Not planned, next door is miniumal
Monday : my house good, next door god
Today : my house partial , next door Unlikely

Whats going on ?
Coverage changing daily ???

 

[guest2013-1]

maybe it's to do with the weather? []

 

[ProAsm]

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">maybe it's to do with the weather?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">Or who's under the weather [)]