http://www.accuweather.com/en/weather-news/use-accuweathers-45day-forecas/16202474
I guess they are using averages, then overlay a cycle/trend on top of that
by the looks
it will either work well at times, or it wont at times
(due to the chaos in the atmosphere dynamics)
I was trying to come up with a funny explanation for “accu” and just came up empty… #-o