July's high temperatures quickly became much higher than usual. Then they became seasonable for the middle of the month, and ended a lot warmer than usual. A record of 101° was made on the 30th, beating the previous 1898 record of 99°. Two ties were made on the 29th and 31st. Both were highs of 99 and tied with the 1998 and 1992 records, respectively. The low temperatures jumped around a lot throughout the month. Several times the low temperatures were normal, especially at the end of the month. No low temperature records were set.

We didn't recieve any precipitation this month, while we normally get about half an inch. This is the third month in a row since February that we have received below normal rainfall. There were no record setting days of rainfall this month. Even with the shortage of precipitation, we are still above normal from where we should be this time of year. The 2002-2003 water year will have no shortage of rain when the end of the 12 month period comes around.

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  86.5     6.3    Days with measurable precip.      0        -3.6   
                                                                         
Average minimum temperature  51.2     0.2    Days with .10" or more precip.    0        -1.5    
                                                                       
Monthly precipitation        0.00    -0.52   Days with .50" or more precip.    0        -0.3    
                                                                                    
Growing degree days @ 50F    590      +95    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 51°
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 Asst./Manager of Data Services

Melanie Mitchell, Undergraduate Assistant

Derek Gilbert, Undergraduate Assistant

Emily Gibson, Student Assistant

Wolf Read, Undergraduate Assistant

Oregon Climate Service, Strand 316,                                  Phone: (541) 737-5705  
Oregon State University                                                      Fax: (541) 737-5710   
Corvallis, Oregon  97331                                                     E-mail: oregon@oce.oregonstate.edu   
                                                                             Web: http://www.ocs.oregonstate.edu