March 2015 was the fourth warmest March on record in Kennewick in more than a century, according to the National Weather Service.
The month tied the record for the warmest March at Hanford since work began there during World War II, according to the Hanford Meteorological Service.
The weather service is predicting temperatures and precipitation to be near normal in the Tri-Cities this month.
Normal highs for the Tri-Cities rise from 63 degrees at the start of April to 70 by the end of the month. Normal lows rise from 40 degrees to 45. April precipitation usually measures about 0.56 inch.
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In March four daily temperature records were set for warm weather, and one record was tied at Hanford, where the Hanford Meteorology Station has daily records back to World War II.
In the Tri-Cities temperatures averaged 51.8 degrees, as measured in Kennewick, which was 4.4 degrees above normal. The warmest March on record was in 1910, when temperatures averaged 54.7 degrees.
The higher than normal average this March was due mostly to daytime temperatures. Highs averaged 64.5, which was 6.1 degrees above normal. Lows averaged 39 degrees, which was 2.6 degrees above normal.
The highest temperature of the month was 77 on March 28. On six days, all at the start of the month, the temperature fell below freezing.
At Hanford the temperature averaged 51.5, which is 5 degrees above normal, tying the record for the warmest March set in 1992.
Precipitation in March in the Tri-Cities totaled 0.34 inch, which was a little less than half of normal, despite rain falling on 11 days. Precipitation for the year has totaled 2.03 inches, which is about a half inch below normal.
At Hanford precipitation was measured at 0.65 inch, which was 14 percent above normal.
Normal snowfall at Hanford in March is 0.4 inch, but no snow fell this March. The last measurable snowfall for the year was Jan. 4, which was nearly a record. In only one previous year at Hanford was the last snowfall recorded earlier in the winter.
The fastest wind gust in the Tri-Cities, as recorded in Kennewick, in March was 47 mph on March 15. At Hanford it was 50 mph on the same date.