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The July 2023 Chicago Area Flood was caused by a heavy rainfall that occurred on July 2, 2023, in the Chicago Metropolitan Area of northeastern Illinois. Rainfall up to 9.0 inches (23 cm) occurred over an 18-hour period; the majority occurred from early in the morning to late in the afternoon. [ 1 ]
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 ...
During El Niño events, precipitation averages about 10 percent above normal, while La Niña events lead to precipitation amounts which average close to 10 percent below normal. [79] Pago Pago harbor in American Samoa has the highest annual rainfall of any harbor in the world. [80] This is due to the nearby Rainmaker Mountain. [80]
Winter Storm Kingston Maps Tracker: Radar, Forecasts, Alerts And More Track Winter Storm Kingston's forecast here, including the threat of snow and ice. The Weather Channel 8 hours ago
Highest minimum temperature for a 24-hour period and for a calendar day: 42.6 °C (108.7 °F) at Qurayyat, Oman on 25 June 2018. [ 194 ] Highest average monthly temperature: 42.3 °C (108.1 °F), in Death Valley, California, for the month of July 2018.
Get the Chicago, IL local weather forecast by the hour and the next 10 days.
A hyetograph is a graphical representation of the distribution of rainfall intensity over time. For instance, in the 24-hour rainfall distributions as developed by the Soil Conservation Service (now the NRCS or National Resources Conservation Service), rainfall intensity progressively increases until it reaches a maximum and then gradually decreases.
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 ]