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High pressure continued to dominate the West Coast on Wednesday, while a cold frontal boundary stretched from the Intermountain West through the central Plains and into the Southeast.

Warm, dry conditions persisted throughout the Southwest on Wednesday as a ridge of high pressure was situated along the coast of California. Temperatures ranged between the 60s and 70s along the coast, while inland temperatures pushed into the 80s and 90s. Tucson, Ariz., recorded a midday high of 89 degrees. Cooler conditions pushed onshore and into the Pacific Northwest on Wednesday, as midday temperatures ranged between the 50s and 60s.

To the east, a cold front pushed southeastward through the Intermountain West, central Plains, and into the Southeast. Light showers popped up over southeast Montana, while more moderate showers affected the upper Mississippi Valley. A cold air mass followed this cold frontal boundary, as West Yellowstone, Mont., recorded a morning low of 17 degrees.

A separate cold front extended from the Gulf Coast to the Mid-Atlantic Coast on Wednesday, which brought moderate showers and thunderstorms to several Mid-Atlantic states and along the Northeast coast. Newark-Heath, Ohio, reported a midday total of 0.51 inches of rain. Although a cold front extended through Florida on Wednesday, warm and muggy conditions continued to linger in the region as Marathon, Fla., recorded a midday high of 89 degrees.

WEDNESDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................89 Marathon, Fla.

HIGHEST HEAT INDEX (DEGREES F)..........................99 Key West NAF, Fla.

LOWEST TEMPERATURE (DEGREES F)..........................17 West Yellowstone, Mont.

LOWEST WIND CHILL (DEGREES F)...........................-11 Arctic Village, Alaska

HIGHEST WIND GUST (MPH).................................43 Jefferson, N.C.

HIGHEST PRECIPITATION (INCHES)..........................0.76 Haines, Alaska

ON THIS DATE....... Talk about a fishy beginning to the day. Between 7-8 a.m. on this date in 1947, thousands of freshwater fish fell on Marksville, La. This is even more amazing due to the fact that the weather was foggy with light winds at the time, with no thunderstorms or any severe weather present.

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