December highs were above normal for most of the month. About mid-month, lows fell to about 10° below normal for five consecutive days before returning to normal for the remainder of the month. Temperatures fell below freezing six times.The average high and low temperatures were both two and a half degrees above normal. No new records were set this month.
There was 4.57 inches of rain this month, approximately 3.25 inches below normal. No new records were set this month. Total water year precipitation (since October 1) is 64% 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 48.1 2.5 Days with measurable precip. 23 2.7 Average minimum temperature 36.4 2.5 Days with .10" or more precip. 13 -2.6 Monthly precipitation 4.57 -3.15 Days with .50" or more precip. 1 -7.6 Growing degree days @ 50F 7 3 Days with 1" or more precip. 1 -3.2 * departure from 1971-00 normal
Looking ahead to January:
Maxima rise to about 45°
Minima rise to about 32°
Average precipitation is 11.24 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