CNN - May 30, 2019
(CNN)There's never been a wetter 12 months than the period that recently ended, reported the National Weather Service, which has been keeping such records for 124 years.
The continental US is also free of severe to exceptional drought for the first time in the two decades the US Drought Monitor has been in business, officials reported.It's all a result of hurricanes, atmospheric rivers and the very wet autumn that unfolded between May 1, 2018, and April 30. The effect fits the broad trend of climate change pushing up US precipitation totals. The continental United States averaged 6 inches of precipitation above average during the one-year period, with 36.2 inches tallied. That blew away the previous record, set in 2015 and 2016, by almost half an inch.
... Climate change has forced precipitation records to topple more frequently.
"Heavy precipitation events in most parts of the United States have increased in both intensity and frequency since 1901," a report from the US Global Change Research Program found. "The frequency and intensity of heavy precipitation events are projected to continue to increase over the 21st century." ...
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