Weather Summary for Corvallis, Oregon

October, 2004


The first half of October brought above normal maximum temperatures, with some temperatures elevated as much as 10°. In the second half of the month temperatures dropped below normal by the same amount. Although low temperatures fluctuated between normal and below normal, a few days were above normal. No new records were set this month.

We had 4.08 inches of rain this month, which is an inch over normal. No new records were set this month. Total water year precipitation (since October 1) is 135% 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 64.8 0.5 Days with measurable precip. 26 13.6 Average minimum temperature 44.3 2.6 Days with .10" or more precip. 12 4.8 Monthly precipitation 4.08 1.06 Days with .50" or more precip. 1 -1.0 Growing degree days @ 50F 158 26 Days with 1" or more precip. 0 -0.3 * departure from 1971-00 normal

Looking ahead to November:

Maxima rise to about 53°
Minima rise to about 38°
Average precipitation is 6.94 inches
There are an average of 20 days with measurable precipitation

Oregon Climate Service

George H. Taylor, Oregon State Climatologist

Wayne P. Gibson, Programmer/GIS mngr.

Eileen Kaspar, 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

Sean Daly, 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