The National Weather Service is predicting an April that is cooler and damper than usual for the Tri-Cities, just as March was.
Normal highs for the Tri-Cities in April rise from 64.9 degrees at the start of April to 68.9 degrees at the end of the month. Normal lows rise from 39.6 degrees to 42.7 degrees. Normal precipitation is 0.51 inch.
In March the average temperature in the Tri-Cities was 46.6 degrees, which was 0.4 degree below normal. At Hanford the temperature averaged 44.1 degrees, which was 2.4 degrees below normal.
Two daily temperature records were set for cool weather at Hanford, according to data from the Hanford Meteorological Station. It keeps weather data back to 1945, making it some of the most complete available near the Tri-Cities.
On March 1, the high got to 39 degrees, the coldest on record for the date. On March 4, the high got to 43 degrees, another record. The previous records for cold highs were 44 degrees March 1 and 46 degrees March 4.
In the Tri-Cities, highs in March averaged 56.3 degrees, which was 2.1 degrees below normal. The highest temperature of the month in the Tri-Cities was 69 degrees on the last day of the month. At Hanford, the temperature reached 72 degrees the same day.
Low temperatures in the Tri-Cities averaged 36.8 degrees, which was 1.3 degrees above normal. The lowest temperature in the Tri-Cities was 28 degrees on March 6 and the lowest temperature at Hanford was 23 degrees on March 5.
The temperature fell below freezing on five days in the Tri-Cities and on 14 days at Hanford.
Precipitation in the Tri-Cities totaled 1 inch during March, which was .23 inch above normal. It was a rainy month with measurable precipitation on 13 days in the Tri-Cities and 15 days at Hanford. Hanford received 0.78 inch of rain, which is more than the usual 0.57 inch.
A trace of snow fell on two days in March at Hanford. Snowfall for the 2010-11 season at Hanford through March totaled 17.1 inches, compared to a normal of 15.2 inches, according to the Hanford Meteorological Station.
Precipitation for the year in the Tri-Cities has reached 1.83 inches, which is 0.21 inch below normal. Since the start of the water year in October, the Tri-Cities has received 6.45 inches of precipitation, which is 1.75 inches above normal.
The highest wind gust for the month in the Tri-Cities, was 51 mph March 10. It was one of two days with wind gusts higher than 50 mph. At Hanford the peak gust was 50 mph March 10.