Narrative Summary - July 2004

The average temperature for July 2004 was warmer than normal, averaging 79.5ºF, 3.2º above normal (76.3ºF).
The warmest July occurred in 1985 and averaged 82.2ºF, while the coolest, in 1993, averaged 70.5ºF. There were
25 days with maximum temperatures >= 90ºF and 9 days >=100ºF, compared to July normals of 19 days and 6 days
respectively for those categories. The year-to-date totals are 37 days >=90ºF and 12 days >=100ºF, compared to year-
to-date normals of 30 days and 7 days respectively. No daily temperatures records were established in July. 

                              New         Old
Date          Category        Record     Record       Year
none

Precipitation for July 2004 totaled 0.03 inch, 11% of normal (0.27 inch). The wettest July, in 1993, received
1.76 inches; and the driest, in 2003, received no precipitation. Total precipitation for 2004 (through July) is
5.35 inches, 141% of normal (3.80 inches).

The average wind speed for July 2004 was 8.3 miles per hour (mph), 0.3 mph below normal (8.6 mph). The
windiest July on record averaged 10.7 mph (1983 and earlier years), while the July with the lightest winds
(1950) averaged 5.5 mph. The peak gust for the month was 40 mph on July 2 and 25. The record wind gust for
July was 69 mph in 1979.

The monthly climatological data summaries, as well as other information, are available
on the Internet. Address: http://terrassa.pnl.gov:2080/HMS/. Hanford Site personnel can
access the HMS Intranet site at: http://hms.rl.gov/

For additional information contact:
Ken Burk373-3215
Dana Hoitink372-6414

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.