NOAA: The United States Just Had its Wettest 12-Months on Record. Again.

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Credit: NOAA
This post appeared originally on noaa.gov

Rain, and plenty of it, was the big weather story in June, adding to a record-breaking 12 months of precipitation for the contiguous US.ย It’s the third consecutive time in 2019 (April, May and June) the past 12-month precipitation record has hit an all-time high according to the NOAA.

Hereโ€™s a snapshot of NOAAโ€™s US climate report for June and the year to date:

Climate by the numbers

June 2019

Wet conditions from July 2018 through June 2019 resulted in a new 12-month precipitation record in the US, with an average of 37.86 inches (7.90 inches above average), according to scientists at NOAAโ€™s National Centers for Environmental Information.

The average precipitation for June was 3.30 inches (0.37of an inch above average), placing it in the upper third in the record books. Flooding conditions persisted along the central and Lower Mississippi, Missouri and Illinois rivers.

The average June temperature across the contiguous US was 68.7 degrees F (0.2 degrees above average), which ranked in the middle third of the 125-year record.ย  Eleven states along the Pacific, Gulf, New England and the Mid-Atlantic coasts had much-above-average temperatures.

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An annotated map of the United States showing notable climate events that occurred across the country during June 2019. For more, see the bulleted list below and the report summary online at http://bit.ly/USClimate201906.

Year to date | January through June

The average US temperature for the year to date (January through June) was 47.6 degrees F (0.1 of a degree above average), which ranked in the middle third for the six-month period. Through June, the average total precipitation for the year โ€“ 19.05 inches โ€“ was 3.74 inches above average.

More highlights from the report

  • Drought was a mixed bag: About 3.2 percent of the contiguous U.S. was in drought, down from 5.3 percent at the start of June. However, drought conditions worsened across parts of the Pacific Northwest and Puerto Rico.
  • Alaska baked: The northernmost stateย had its second hottest June on record, with an average temperature of 54.0 degrees F (4.8 degrees above average.)
  • Billion-dollar disasters count holdsย steady: By the year’s halfway mark, the U.S. hasย six such disasters on the books, including four destructive severe storms and two flooding events.

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