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The coldest temperature ever recorded in Chicago city limits is −27 °F (−33 °C) at O'Hare on January 20, 1985, [18] though unofficial temperatures as low as −3 °F (−19 °C) have been recorded at Chicago Aurora Airport in far western suburbs and in the rural areas to the west of Chicago. [43]
The dew point temperature equals the air temperature when the air is saturated with water; in all other cases the dew point will be less than the air temperature. [ 6 ] : 129 In technical terms, the dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same ...
The sensor reports directly in dew point through a calculation based on measured relative humidity and the measured temperature of the heated capacitive element. [15] Older AWOS systems used a lithium chloride dew point sensor. Current AWOS systems use capacitive relative humidity sensors, from which dew point is calculated. [16]
The Chicago metro area has the highest concentration of homes at risk for hail, tornadoes and damaging winds, according to CoreLogic’s 2025 Severe Convective Storm Risk Report.… USA TODAY 14 ...
On the ground, road access to the airport is offered by airport shuttle, bus, the Chicago "L", or taxis. Interstate 190 (Kennedy Expressway) goes directly into the airport. O'Hare is a hub for American Airlines and United Airlines (which is headquartered in Willis Tower), [17] [18] as well as an operating base for Frontier Airlines [19] and ...
Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [ 201 ] Highest heat index : In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F).
Originally named Chicago Air Park, [8] Midway Airport was built on a 320-acre (130 ha) plot in 1923 with one cinder runway mainly for airmail flights. In 1926, the city leased the airport and named it Chicago Municipal Airport on December 12, 1927. [1] By 1928, the airport had twelve hangars and four runways, which were lit for night operations ...
The Chicago temperatures exceeded the 1995 Chicago heat wave, which claimed over 750 lives, although humidity and registered dew points were higher during that heat wave. [30] Through the first five days of July, the mean temperature in Chicago averaged 86.4 °F (30.2 °C), 13.2 °F (7 °C) above normal, the hottest since 1911. [31]