Search results
Results From The WOW.Com Content Network
Here are rainfall amounts, in inches, from the last 24 hours (unless otherwise noted) by locality, according to National Weather Service St. Louis: Illinois locations. Belleville: 6.23, 6.33 ...
Several southwest Illinois areas recorded between 5 and 8 inches of rainfall, though one locality had more than 9 inches. Here’s what the National Weather Service St. Louis reported Wednesday ...
The greatest amount of precipitation that fell in a 24-hour period was 9.35 in (237.5 mm) on August 13–14, 1987. That event also set the records for heaviest 6 and 12 hour rainfall amounts and contributed to August 1987's record rainfall. The heaviest calendar day snowfall was 18.6 in (47.2 cm), again at O'Hare, on January 2, 1999. [18]
The rainfall observed over the region during the period of July 25–30 was over 600 percent of normal totals. The four-day rainfall totals of 14–16 inches (360–410 mm) in some areas were reported to have a less than a 0.1 percent chance of occurring in any given year. [57]
Average yearly precipitation for Illinois varies from 48 inches or 1,220 mm at the southern tip to 35 inches or 890 mm in the northern portion of the state. Normal annual snowfall exceeds 38 inches or 0.97 m in Chicago, while the southern portion of the state normally receives less than 14 inches or 0.36 m. [1]
Precipitation totals in mm In recent years, average temperatures in the county seat of Macomb have ranged from a low of 13 °F (−11 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −30 °F (−34 °C) was recorded in February 1905 and a record high of 113 °F (45 °C) was recorded in August 1934.
Precipitation totals in mm In recent years, average temperatures in the county seat of Robinson have ranged from a low of 21 °F (−6 °C) in January to a high of 89 °F (32 °C) in July, although a record low of −23 °F (−31 °C) was recorded in December 1989 and a record high of 114 °F (46 °C) was recorded in July 1954.
Over the contiguous United States, total annual precipitation increased at an average rate of 6.1 percent per century since 1900, with the greatest increases within the East North Central climate region (11.6 percent per century) and the South (11.1 percent). Hawaii was the only region to show a decrease (−9.25 percent). [89]