MIAMI -

On this date in weather history, even a president's horse is vulnerable to the whim of nature. Sinbad the Sailor, star horse of President Reagan's Death Valley Days series, died when struck by lightning at Kanab, Utah, on this date in 1982.

THURSDAY'S WEATHER EXTREMES:
HIGHEST TEMPERATURE (DEGREES F).........................98 Childress, Texas
HIGHEST HEAT INDEX (DEGREES F)..........................98 Chickasha, Okla.
LOWEST TEMPERATURE (DEGREES F)..........................20 Drummond, Mont.
LOWEST WIND CHILL (DEGREES F)...........................-40 Point Lay, Alaska
HIGHEST WIND GUST (MPH).................................56 Clarion, Iowa
HIGHEST PRECIPITATION (INCHES)..........................3.12 Oshkosh, Wis.