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OSU Extension
Warm and Wet October
Expected
After a very wet September across all but northwest Ohio in the Maumee
River basin, we can expect more of the same in October. September saw
some locations in the top 5 wettest on record for Ohio like Columbus
and Dayton.
We expect the first two weeks of October to average 5-15F above normal
with a few days almost 20F above normal. There will be a few days this
week with lows of 65-70 degrees which is almost unheard of in October
with normal lows in the 40s. The latest low of 70 at Cincinnati is
Oct.9 in 1982, since 1947. It is possible to be near that level a few
days this week across especially southern Ohio.
Overall, temperatures the first two weeks of October will average 5-15F
above normal with the last two weeks 0-4F above normal.
Rainfall will average 1-4 inches the first half of October. The 1 inch
will be in southern Ohio and the 4 inches would likely be in the north
part of the state. Normal is 1-1.5 inches for two weeks.
Rainfall may relax to more normal with a chance of below normal the
second half of the month. The worst of the rain will be in the central
and western corn and soybean areas where rainfall of 3-7 inches is
possible so harvest delays are possible.
It continues to looks like frost will be no earlier than Oct. 10-20
range which is normal for Ohio but chances are growing it may be more
in the Oct. 20-30 range.
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