Narrative Summary - March 2007

March 2007 was warmer than normal, averaging 47.5ºF, 1.4º above normal (46.1ºF). The warmest March
(1992) averaged 51.5ºF, while the coldest (1955) averaged 39.4ºF. The following records were
established in March 2007:

       New		Old
Date	Category       	Record	Record	Year
 11	High Minimum	  54	  44	2003
 12	High Maximum	  70	  68	1998
 24	High Minimum	  52	  46	2001

Precipitation for March 2007 totaled 0.74 inch, 128% of normal (0.58 inch). The wettest March (1957)
received 1.86 inches, while the driest (1968) received 0.02 inch. A total of 0.5 inches of snow was
recorded during the month, compared to a normal of 0.4 inch, and a maximum snowfall of 4.2 inches
(1951). Snowfall for the 2006-2007 snowfall season (through March) is 8.1 inches, compared to a normal
of 15.4 inches. Total precipitation for 2007 (through March) is 1.64 inches, 77% of normal (2.13 inches).

The average wind speed for March 2007 was 8.3 miles per hour (mph), which was 0.4 mph above normal
(7.9 mph). The windiest March (1964 and 1977) averaged 10.7 mph, while the March with the lightest
winds (1958) averaged 5.9 mph. The peak gust for March 2007 was 45 mph on March 11. The record
wind gust for March was 70 mph in 1956.

The monthly climatological data summaries, as well as other information, are available on the Internet.
Address: http://hms.pnl.gov/

For additional information contact:
Ken Burk373-3215
HMS Staff373-2716

Note: The information in this summary pertains specifically to
the Hanford Meteorology Station (HMS), which is located
approximately 25 miles northwest of Richland, Washington. No
attempt should be made to infer meteorological conditions at other
locations from these data.