I just did a google search and found that the National Weather Service, Accuweather and the Weather Channel define the chance of rain differently. Here's the link: http://blogs.wsj.com/numbersguy/deciphering-a-20-chance-of-rain-470/ It's an interesting, quick read.
Thanks for the link, it explains what I wanted to know and now everything is clear as mud. just kidding. Thanks everyone else for the responses. probability of precipitation, known as POP, the same. âTechnically, the POP is the probability that a measurable amount of precipitation (at least 0.01 inch of rain or water equivalent- ((which is like cash equivalent 'cept you can't pay any bills with it))) ((water equivalent must be fog or dew) falls during a given time period at the specific rain gauge that is at the âofficialâ verification site,â
How's that economist joke go? Three economist are lost in the woods, they look at the map and say, according to our projections we should be over there.
weather.gov puts out much better forecasts around here (denver area) than weather.com. also helps to keep a big picture view, like satellite of the entire country - http://climate.cod.edu/flanis/reg.php?loop=1&type=ir®ion=usa&numimages=24
Are you saying predictions of sunny afternoons would bring people out thus stimulating the economy? Brilliant!