On a similar thread:

//ambergriscaye.com/forum/ubbthreads.php/topics/379734/Re_http_sanpedroweather_com_qu.html#Post379734

In short, visit the following address with your iPad or iPhone:

http://i.wund.com/auto/iphone/weatherstation/WXDailyHistory.asp?ID=IAMBERGR2

(Looks good on Android too)