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The formula below approximates the heat index in degrees Fahrenheit, to within ±1.3 °F (0.7 °C). It is the result of a multivariate fit (temperature equal to or greater than 80 °F (27 °C) and relative humidity equal to or greater than 40%) to a model of the human body.
Get the Soda Springs, CA local weather forecast by the hour and the next 10 days.
Voters in New York City saw the warmest weather on a presidential Election Day since the 1930s. High temperatures, drought, and wind have created the perfect fire conditions in the area.
The highest reliably recorded temperature in the world, [6] [7] 134 °F (56.7 °C), was recorded in Death Valley on July 10, 1913. Temperatures of 130 °F (54 °C) or higher have been recorded as recently as 2005. The 24-hour average July temperature in Death Valley is 101.8 °F (38.8 °C) (1981–2010 NCDC Normals).
Minimum temperature map of the United States from 1871–1888 Maximum temperature map of the United States from 1871–1888. The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, the District of Columbia, and the 5 inhabited U.S. territories during the past two centuries, in both Fahrenheit and Celsius. [1]
When the temperature is 30 °C (86 °F) and the dew point is 15 °C (59 °F), the humidex is 34. If the temperature remains 30 °C (86 °F) and the dew point rises to 25 °C (77 °F), the humidex rises to 42. The humidex is higher than the U.S. heat index at equal temperature and relative humidity. The humidex formula is as follows: [7] [8]
These quantities are based on a daily average temperature of 65 °F (18 °C). Cooler temperatures force heating degree days (one per degree Fahrenheit), while warmer temperatures force cooling degree days. [109] In winter, severe cold weather can cause a surge in demand as people turn up their heating. [110]
High temperatures of 111 °F (44 °C) were recorded in Tulsa the following day. On August 8, 2011, high temperatures reached 110 °F (43 °C), almost breaking the record high temperature of 111 °F (44 °C) set back in 1935. Up until October, temperatures in the city remained in the high 80s to the low 100s.