They use historical evidence and observable predictors... And they have an astounding global 80% accurate rate..
No, they _claim_ 80% accuracy. Non-morons understand the difference between a claim and reality.
I hope none of the deniers have the Home Shopping Network available at home. They'd believe every claim, buy every item, and quickly go bankrupt. Their lack of a functioning BS detector makes them easy targets for any scammer.
Farmer's Almanacs: Right as Rain or 3 Dollar Bills? : Discovery News
---
In 2003, Bond compared "Old Farmer's Almanac" forecasts to actual weather events in the Pacific Northwest, the results are summarized in
the Washington's State Climatologist's newsletter.
The forecasts are sometimes correct. In terms of getting the sense of the weather anomalies right, for example whether it will be colder or warmer than normal, the OFA is correct about 50 percent of the time," said Bond.
"Of course this is no better than flipping a coin," he added.
Jan Null of Golden Gate Weather Services has compared "Old Farmer's Almanac" forecasts to actual weather conditions across the United States for much of the 2000's. His results corroborate those of Bond.
Back in 1981 another study, published in Weatherwise , looked at 60 monthly temperature and precipitation forecasts for 32 weather stations across the U.S. and compared them to "Old Farmer's Almanac" forecasts. Once again, the accuracy of the "Old Farmer's Almanac" was found to be no better than flipping a coin.
---
So, what else do you deniers have for us? How are the wooly bear caterpillars? What does the groundhog say? Is your rheumatism acting up? Let us in on all your amazing climate prediction techniques.