Past Selected Rainfall August 2024 (2024)

FAQs

What was the record rainfall for the United States and what storm dropped it? ›

Please also note that 100-inch annual rainfall totals are not particularly uncommon in the coastal Pacific Northwest, Alaska Panhandle, and parts of Hawaii.

Great Flood of 1861-1862

The event occurred during the winter months, particularly between December 1861 and January 1862 when the state experienced an exceptionally rainy season, causing widespread flooding that affected nearly the entire region.

Is 1 inch of rain in 24 hours a lot? That depends on the rate of the rainfall. If you have light rain for 24 hours, with one inch total, it is unlikely to cause problems. If all of that rain falls in a single hour, you will likely have flash-flooding.

An 80 percent chance of rain (or of any other kind of precipitation) means the weather forecaster believes there will be an eight in ten chance (or 80 chances out of 100) of measurable precipitation (0.01 inch or more) in the area under consideration during the time interval that is specified in the weather forecast ( ...

Rain is classified as light, meaning rain falling at a rate between a trace and 0.10 inch per hour; moderate, 0.11 to 0.30 inch per hour; heavy, more than 0.30 inch per hour.

Above: Mt. Waialeale, on Hawaii's Kauai Island, holds the U.S. historical record for wettest single month, when 148.83” of rain was measured during the month of March 1982.

Hawaii has the most extreme 24-hour rainfall total and Texas is second. The Hawaii record was recently set on April 14-15, 2018, when 49.69 inches of rain fell at Waipā Garden on the island of Kauai.

The Galveston hurricane of 1900 is the deadliest natural disaster to strike the United States. This loss of life can be attributed to the fact that officials for the Weather Bureau in Galveston brushed off the reports and they did not realize the threat.