Narrative Summary - June 2007

June 2007 was cooler than normal, averaging 68.5ºF, 0.8º below normal (69.3ºF). The warmest June
(1992) averaged 76.8ºF, while the coolest (1953) averaged 63.0ºF. There were 9 days in June with
maximum temperatures >=90ºF compared to a June normal of 8. There were 2 days with maximum
temperatures >=100ºF compared to a June normal of 1. The following daily temperatures records were
established during June 2007:

			New	Old 
Date    Category	Record Record	Year
   1	High Maximum	 101	 99	1970
   2	High Maximum	 104	103	1970
   2	High Minimum	  69	 68	1986 (and other years)

Precipitation for June 2007 totaled 0.45 inch, 110% of normal (0.41 inch). The wettest June (1950)
received 2.92 inches, while the driest (2003 and earlier years) received only a trace. Total precipitation
for 2007 (through June) is 2.65 inches, 75% of normal (3.53 inches).

The average wind speed for June 2007 was 9.3 miles per hour (mph), which was 0.2 mph above normal
(9.1 mph). The windiest June (1983 and 1949) averaged 10.7 mph, while the June with the lightest winds
(1982) averaged 7.3 mph. The peak gust for June 2007 was 43 mph on June 3. The record wind gust for
June was 72 mph in 1957.

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.