June expected to be warmer, drier than usual

By Annette Cary, Tri-City HeraldJune 3, 2013 

June is expected to be warmer than usual in the Tri-Cities, after a May with above average temperatures, according to the National Weather Service.

Normal highs for the Tri-Cities in June generally rise from 78 degrees at the start of the month to 86 at the end. Normal lows rise from 54 degrees to 59.

June also could be drier than usual, according to the weather service. Normal precipitation for June in the Tri-Cities is 0.51 inch.

In May, four new daily temperature records were set at Hanford, according to the Hanford Meteorology Station, which keeps data back to 1945. Temperature records set in the first half of the month were for warm weather and records set in the second half of the month were for cool weather.

In addition, May 2013 was the third wettest on record at Hanford.

On May 10, a new high temperature record of 98 for the day was set. That beat the old record of 96 set in 1949.

The low temperature for May 11 was 71 degrees, the highest on record. The previous record warm low temperature for the date was 68 in 1949.

On May 22, the high was only 56, the coolest recorded for that date. The previous record was 63 in 1964.

On May 29, the high was only 63, the coolest on record for the date. The previous record was 68, recorded most recently in 1998.

In the Tri-Cities in May, temperatures averaged 1.6 degrees above normal, with the high in Kennewick reaching 95 on May 12. That was the warmest day of the month. Temperatures reached at least 90 on five days, all during the first half of the month.

High temperatures averaged 1.5 degrees above normal and low temperatures averaged 1.7 degrees above normal. The lowest temperature was 35 on May 1.

At Hanford, temperatures also were above normal, averaging 63.2 degrees rather than the usual 62.1 degrees. The warmest temperature was the record-breaking 98 on May 10 and the coolest was 32 on May 1.

The spring season -- March, April and May -- was slightly warmer than normal at Hanford.

Spring precipitation also was above normal, thanks in part to a wet May. Precipitation totaled 2.29 inches, which is 140 percent of normal.

May precipitation at Hanford totaled 1.6 inches, well above the normal of 0.51 inch. That was not enough to match the record of 2.03 inch sent in 1972, but did make it the third wettest May on record at Hanford.

On May 23, a light coating of snow graced the northwest peak of Rattlesnake Ridge, according to the Hanford Meteorology Station.

Precipitation in the Tri-Cities totaled 0.7 inch during May, which was slightly above normal. Enough rain to measure fell on seven days.

Precipitation for the year in the Tri-Cities has reached 2.01 inches, which is 1.78 inches below normal. Since October, the start of the water year, precipitation has measured 5.61 inches, which is 0.91 inch below normal.

The peak wind gust in May in the Tri-Cities as measured in Kennewick was 43 mph on May 21. At Hanford it was 53 mph on May 13.

w Annette Cary: 582-1533; acary@tricityherald.com; Twitter: @HanfordNews

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