Narrative Summary - February 2007

February 2007 was slightly cooler than normal, averaging 37.8ºF, 0.1º below normal (37.9ºF). The warmest
February (1958) averaged 44.5ºF, while the coldest (1956) averaged 25.6ºF. No daily temperature records
were established during February 2007.

Precipitation for February 2007 totaled 0.76 inches, 112% of normal (0.68 inch). The wettest February (1961)
received 2.10 inches, and the driest (1988 and earlier years) received only a trace amount. The snowfall
recorded during the month was 2.2 inches, compared to a normal of 2.6 inches, and a maximum snowfall of
17.0 inches (1989). Snowfall for the 2006-2007 snowfall season through February is 7.6 inches, compared to a
normal of 15.0 inches.

The average wind speed for February 2007 was 6.9 miles per hour (mph), which was 0.1 mph below normal
(7.0 mph). The windiest February on record (1999) averaged 11.1 mph, while the February with the lightest
winds (1963) averaged 4.6 mph. The peak gust for February 2007 was 46 mph on both February 19th and 20th.
The record wind gust for February was 65 mph in 1999 and earlier years.

The 2006-2007 winter season (December 2006, January and February 2007) was cooler than normal, averaging
31.9ºF, 1.9º below normal (33.8ºF). The warmest winter (1966-67) averaged 40.6ºF, while the coldest (1948-
49) averaged 24.2ºF. Winter season precipitation totaled 2.65 inches, 99% of normal (2.66 inches). The
wettest winter (1996-97) received 5.45 inches, while the driest (1946-47) received 0.70 inches.

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 Burk		373-3215
HMS Forecaster		373-2616

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.