Narrative Summary - July 2000

The average temperature for July 2000 was slightly below normal, averaging 75.5ºF, 0.7º
below normal (76.2ºF). The hottest July occurred in 1985 and averaged 82.2ºF, while the
coolest, in 1993, averaged 70.5ºF. There have been 28 days with maximum temperatures
>= 90ºF, and 6 days >= 100ºF through the end of July (normal through July is 30 days and 8
days respectively). The following daily temperature records were established in July:

                           New     Old
   Date   Category       Record   Record    Year
     4    Low Minimum      44       48      1966
    31    High Minimum     76       74      1971

Precipitation for July 2000 totaled 0.46 in., 256% of normal (0.18 in.). The wettest July,
in 1993, received 1.76 in., while the driest, in 1980 and earlier years, received only a
trace. Total precipitation since January 1 was 5.20 in., 155% of normal (3.36 in.).

The average wind speed for July 2000 was 8.3 miles per hour (mph), 0.5 mph below
normal (8.8 mph). The windiest July on record averaged 10.7 mph (1983), while the July
with the lightest winds (1955) averaged 6.8 mph. The peak gust for the month was 44
mph on July 14. 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://etd.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.