2009.09.14
Mathematical mea culpa
In today's Weather Journal column, I noted that summer 2009 (June 1 to August 31) had, somewhat surprisingly, finished slightly above normal in temperature. Well, that's still true, but the margin is much smaller than I had written. Roanoke's summer average temperature of 74.5 degree was only two-tenths of a degree above the summer normal average of 74.3 degrees. I misfigured the average for the summer normal temperature.
The overall gist is the same -- warmer nights in June and August were enough to offset the seventh coolest July on record, producing what was essentially a normal summer in temperatures. But the takeaway lesson here is: Always double-check your math!
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