The Weather Page

The Baltimore Sun

Lots of us face work evaluations. Jerry Nook in Edgewood wonders, "Do forecasters keep tabs on the accuracy of their forecasts?" They do. The National Weather Service tracks performance on temperature and precipitation, by station and forecaster. Nationally, at 24 hours, they're accurate (within 3 degrees) 73 percent of the time, up from 61 percent in 1976. A week in advance, that drops to 39 percent. Will it rain? NWS forecasters are right 88 percent of the time at 24 hours, slipping only to 81 percent at one week.

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