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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 ...
A taxonomy is an arrangement in a systematic manner; the USDA soil taxonomy has six levels of classification. They are, from most general to specific: order, suborder, great group, subgroup, family and series. Soil properties that can be measured quantitatively are used in this classification system – they include: depth, moisture ...
Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.
The frost line —also known as frost depth or freezing depth —is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources. For example, snow cover and asphalt ...
75 reviews. 100 helpful votes. 1. Re: Lake Michigan water temperature. 8 years ago. I've always considered the lake more of a piece of Art then a form of recreation. This is why. The water is cold until August and then it's too cold on the land after mid September to go to the beach. But some people love the cold water I suppose.
The average annual precipitation in areas of Drummer soil ranges from 32 to 40 inches (1,000 mm). The average annual air temperature ranges from 48 to 54 °F (12 °C). Drummer is a fine-silty, mixed, superactive, mesic Typic Endoaquoll. This taxonomic classification is characteristic of the wet, dark-colored, prairie-derived soils of Illinois.
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 ...
The all-time high temperature was 117 °F (47 °C), recorded on July 14, 1954, at East St. Louis, and the all-time low temperature was −38 °F (−39 °C), recorded on January 31, 2019, during the January 2019 North American cold wave at a weather station near Mount Carroll, [71] [72] and confirmed on March 5, 2019. [73]