August featured a record heat wave in the Baltics and Belarus, record cold in Northern Ireland, extreme rainfall events along the U.S. East Coast and in Michigan. Deadly flooding in Nepal and India killed at least 200 and Typhoon Halong hit Japan. A rare tropical storm struck the Big Island of Hawaii. Perth, Australia had its warmest August on record while Darwin measured its coldest August temperature on record.
Although many areas were indeed affected by the consistency of the warm climate. I decided to focus the areas in the united States that were specifically affected.
The U.S. August national temperature averaged 72.2°F (23.3°C). Although this was 0.1°F (0.2°C) above the long-term average it was the coolest August since 2009. Precipitation was well above normal (the 11th wettest August on record) and the wettest since 1977.
A phenomenal rainstorm swept up the East Coast on August 12-13 breaking non-tropical storm-related 24-hour rainfall records in Baltimore, Maryland (6.30”/160 mm) and Portland, Maine (6.43”/163 mm). Most amazing, however, was the 13.57” (345 mm) that deluged Islip, New York (central Long Island). This established a new all-time 24-hour record rainfall for the state of New York (although unofficial higher amounts were measured during the passage of Hurricane Floyd in September 1999). You canread more about this storm here.
The Detroit area also experienced a flooding rain on August 11-12 that resulted in the deaths of 3 and paralyzed much of the city’s metropolitan region. 4.57” (116 mm) in 24 hours was measured at the airport, the 2nd greatest 24-hour total on record (since 1875). The all-time record was 4.75”/121 mm on July 31-August 1, 1925.
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