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Missouri generally has a variety of seasonal humid subtropical climate (Köppen climate classification Cfa), with cool winters and long, hot summers. In the southern part of the state, particularly in the Bootheel , the climate borders on a more mild-type humid subtropical climate (Köppen Cfa ), and in the northern third, the state transitions ...
Over the last half century, average annual precipitation in most of the Midwest has increased by 5 to 10 percent. But rainfall during the four wettest days of the year has increased about 35 percent, and the amount of water flowing in most streams during the worst flood of the year has increased by more than 20 percent.
During the winter, and spring, Pacific storm systems bring Hawaii and the western United States most of their precipitation. Low pressure systems moving up the East Coast and through the Great Lakes, bring cold season precipitation to from the Midwest to New England, as well as Great Salt Lake. The snow to liquid ratio across the contiguous ...
Rainfall rates downwind of cities are increased between 48% and 116%. Partly as a result of this warming, monthly rainfall is about 28% greater between 20 miles (32 km) to 40 miles (64 km) downwind of cities, compared with upwind. [66] Some cities show a total precipitation increase of 51%. [67]
Without high mountains or oceans nearby to moderate temperature, its climate is alternately influenced by air from the cold Arctic and the hot and humid Gulf of Mexico. Missouri's highest recorded temperature is 118 °F (48 °C) at Warsaw and Union on July 14, 1954, while the lowest recorded temperature is −40 °F (−40 °C) also at Warsaw ...
During the 2014 January polar vortex, more than 20 people across the country died from the cold as places like Georgia — which rarely see serious cold — dealt with lows under 10 degrees ...
Two amounts may be listed for areas with more than one rainfall gauge. The update times for the automatic gauges vary, but Fuchs said most locations’ data covered rainfall for the past 24 hours ...
July 2012 was the hottest month in the 138-year recorded weather temperatures in St. Louis history starting in 1874, with an average daily temperature of 88.1 °F (31.2 °C). [8] Average annual temperatures are "about 3 degrees warmer" overall than they were in the 1920s. [9]