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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]
Source: NOAA (relative humidity, dew point and sun 1961–1990) [2] [8] [9] Notes ^ a b Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
While normal annual snowfall exceeds 38 inches (0.97 m) in Chicago, the southern portion of the state normally receives less than 14 inches (0.36 m). [1] The snowiest winter on record for Chicago was 89.7 inches (2.28 m) during the winter of 1978–79. [19]
Between Sept. 23 and Oct. 14, Phoenix set daily record high temperatures for 21 consecutive days. This is more than any other location since Burlington, Iowa, set record highs for 14 days during ...
The warmest month has an average temperature of below 22 °C (72 °F). Tierra fría (Cool land) below 3,600 m (11,800 ft). The warmest month has an average temperature of below 18 °C (64 °F). Tierra helada (Cold land) above 3,600 m (11,800 ft). The tree line occurs when the warmest month has an average temperature of below 10 °C (50 °F).
Comparison of the 1962 US Standard Atmosphere graph of geometric altitude against air density, pressure, the speed of sound and temperature with approximate altitudes of various objects. [ 1 ] The U.S. Standard Atmosphere is a static atmospheric model of how the pressure , temperature , density , and viscosity of the Earth's atmosphere change ...
Temperature, humidity, soil composition, and solar radiation are important factors in determining altitudinal zones, which consequently support different vegetation and animal species. [2] [3] Altitudinal zonation was first hypothesized by geographer Alexander von Humboldt who noticed that temperature drops with increasing elevation. [4]
Garfield Park Conservatory, located in Garfield Park in Chicago, is one of the largest greenhouse conservatories in the United States.Often referred to as "landscape art under glass", the Garfield Park Conservatory occupies approximately 4.5 acres (18,000 m 2) inside and out and contains a number of permanent plant exhibits incorporating specimens from around the world, including some cycads ...