July maximum temperatures were above average by up to 10°F for the first and last weeks of the month. A new record high of 103°F was set on the 24th; this is 1° greater than 1928 record. Although minimum temperatures started out below normal, they rose to above normal mid-month. The average high temperature and the average low temperature were four degrees and half a degree above normal, respectively. No new low records were set this month.

We had 0.04 inches of rain this month- over half an inch below normal. No new records were set this month. Total water year precipitation (since October 1) is 95% of normal.

Table 1 - daily data recorded at the Hyslop Experiment Station.

Table 2 - access to the daily data recorded at the Corvallis Agri-Met Automated Station. You choose the station and parameters.

Summary:

Parameter                 Observed   Dep.*   Parameter                       Observed   Dep.*
 
Average maximum temperature  85.5     4.3    Days with measurable precip.       1       -2.6 
                                                                         
Average minimum temperature  52.2     0.4    Days with .10" or more precip.     0       -1.5 
                                                                       
Monthly precipitation        0.04    -0.53   Days with .50" or more precip.     0       -0.3 
                                                                                    
Growing degree days @ 50F     591      89    Days with 1" or more precip.       0        0.0
* departure from 1971-00 normal

Looking ahead to August:

Maxima rise to about 82°
Minima rise to about 52°
Average precipitation is 0.73 inches
There are an average of 4 days with measurable precipitation

Oregon Climate Service

George H. Taylor, Oregon State Climatologist

Wayne P. Gibson, Programmer/GIS mngr.

Mandy Matzke, Research Assistant/Manager of Data Services

Melanie Mitchell, Undergraduate Assistant

Wolf Read, Undergraduate Assistant

Emily Gibson, Student Assistant

Cadee Hale, Publications Assistant

Kelsey Kuykendall, Undergraduate Assistant

Sara Joos, Student Assistant

Oregon Climate Service, Strand 326,                             	  Phone: (541) 737-5705  
Oregon State University                                                      Fax: (541) 737-5710   
Corvallis, Oregon  97331                                                     E-mail: oregon@coas.orst.edu   
                                                                             Web: http://www.ocs.oregonstate.edu