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The University of Chicago is close to the lake, which can and does reduce temperatures in the immediate shoreline area in the summer. The highest temperature recorded in Chicago during the meteorological summer months of June, July, and August, which is also additionally the all-time record high in the city, is 105 °F (41 °C), set on July 24 ...
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 ...
Climate data for Chicago (O'Hare Int'l Airport), 1991–2020 normals, [a] extremes 1871–present [b]Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Record high °F (°C)
Heating of solids, sunlight and shade in different altitudinal zones (Northern hemisphere) [5] A variety of environmental factors determines the boundaries of altitudinal zones found on mountains, ranging from direct effects of temperature and precipitation to indirect characteristics of the mountain itself, as well as biological interactions of the species.
For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle.
As a result, the official record-lowest temperature for the state was −36 °F (−37.8 °C) recorded at Congerville on 5 January 1999. [11] In 2019, the January North American Cold Wave struck Illinois. This resulted in a new record low temperature, −38 °F (−38.9 °C), recorded on January 31, 2019, at Mount Carroll.
Its grounds, covering 1,700 acres (6.9 square kilometres), include cataloged collections of trees and other living plants, gardens, and restored areas, [3] [4] [5] among which is a restored tallgrass prairie. The living collections include more than 4,100 different plant species. There are more than 200,000 cataloged plants. [6]
The USDA map was revised and reissued in 1990 with freshly available climate data, this time with five-degree distinctions dividing each zone into new "a" and "b" subdivisions. In 2003, the American Horticultural Society (AHS) produced a draft revised map, using temperature data collected from July 1986 to March 2002. The 2003 map placed many ...