In 2003, Forster and Solomon (Observations of a weekend effect in diurnal temperature range, PNAS, [ http://www.pnas.org/content/100/20/11225.full ]) reported: we find evidence of a weekly cycle in diurnal temperature range (DTR) for many stations in the United States, Mexico, Japan, and China.
The total cost to have a concrete retaining wall installed will be a combination of material and labor prices. For a basic wall you can expect to pay between $30 and $40 per square foot.
Commercial buildings require additional finishing like insulation & customization, the cost may rise to $30 or $40 per square foot (SF) An average commercial steel building costs between $16 and $20 per square foot, including building package, delivery, foundation and the cost of construction. Commercial buildings require additional finishing like insulation & customization, the cost may rise to $30 or $40 per square foot (SF)