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The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis, while the lowest temperature was −38 °F (−38.9 °C), recorded on January 31, 2019, at Mount Carroll. Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of ...
Many suburban, exurban and rural locations have all-time records that have surpassed 110 °F (43 °C), many of which were set during a heat wave in July 1936, when a massive heat wave engulfed the entire Chicago and northern Illinois region, resulting in eight consecutive days at or above 100 °F (38 °C) at Midway Airport, peaking at 107 °F ...
Illinois has a maximum north–south distance of 390 miles (630 km) and 210 miles (340 km) east-west. Total area is 57,918 square miles (150,010 km 2), ranked 25th in size of the 50 states. Water area is 2,325 square miles (6,020 km 2); Lake Michigan accounts for most of this. Charles Mound in the northwest Driftless Area is the highest point ...
Average annual wind power distribution for Illinois, 50 m (160 ft) height above ground (2009) Illinois has seen growing interest in the use of wind power for electrical generation. [ 169 ] Most of Illinois was rated in 2009 as "marginal or fair" for wind energy production by the U.S. Department of Energy , with some western sections rated "good ...
Recently, the wind speeds were re-examined and adjusted to a maximum official wind speed of 321 mph (516.6 km/h). [ 313 ] A DOW calculation of a subvortice of the 2013 El Reno tornado was estimated in a range of 257–336 mph (414–541 km/h) in 2024.
The research, published by Climate Central, studied hurricanes from 2019 through 2023 and found that their peak wind speeds were, on average, 18 mph higher compared to the expected strength ...
An anemometer is commonly used to measure wind speed. Global distribution of wind speed at 10m above ground averaged over the years 1981–2010 from the CHELSA-BIOCLIM+ data set [1] In meteorology, wind speed, or wind flow speed, is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in ...
Direction shown by smoke drift but not by wind vanes 2 Light breeze 4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m Small wavelets still short but more pronounced; crests have a glassy appearance but do not break Wind felt on face; leaves rustle; wind vane moved by wind 3 Gentle breeze 7–10 knots 8–12 mph 12–19 km/h