Another warmer-than-usual month for the Tri-Cities is forecast by the National Weather Service.
Temperatures in May averaged 2.9 degrees above normal in the Tri-Cities, and June also is expected to be warmer than usual, according to the weather service.
The spring season -- March through May -- also was warmer than usual in the Mid-Columbia.
Normal highs in the Tri-Cities in June rise from 78 degrees at the start of the month to 86 degrees at the end of the month. Normal lows rise from 54 degrees to 59 degrees through the month.
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May also was warmer than usual at Hanford, where daily records are kept back to World War II.
One daily warm weather temperature was tied at Hanford, according to the Hanford Meteorological Service. On May 11 the low for the day was 59 degrees, tying the previous record for the warmest low temperature for the date in 1958.
In the Tri-Cities, high temperatures averaged 78.3 degrees, which was 3.8 degrees above normal. The highest temperature was 90 degrees on May 16.
Low temperatures averaged 51.5 degrees, which was 2 degrees above normal. The coldest temperature for the month was 45 degrees on May 12 and 13.
At Hanford, the temperature was above 90 degrees on two days.
Temperatures for the spring season at Hanford averaged 56.2 degrees, which was 2.2 degrees above normal, according to the Hanford Meteorological Station.
Precipitation this month in the Tri-Cities is expected to be about normal, after a dry May.
Precipitation for the spring months at Hanford was about normal at 1.62 inches.
But May was dry. Precipitation in the Tri-Cities was 0.23 inch for the month, which was 0.41 inch below normal.
At Hanford, precipitation measured 0.24 inch, which was about half of normal.
Precipitation for the year in the Tri-Cities is below normal. It has averaged 2.36 inches, which is 1.43 inches below normal. Since October, the start of the water year, precipitation in the Tri-Cities has averaged 3 inches, less than half of the normal 6.52 inches.
The highest wind gust in the Tri-Cities, as measured in Kennewick, in May was 42 mph on May 9. At Hanford, the peak gust was 41 mph on May 16.
-- Annette Cary: 509-582-1533; firstname.lastname@example.org; Twitter: @HanfordNews