90 Report of State Board of Horticulture. 



MARION COUNTY. 



Marion County is in the heart of the Willamette Valley. Salem, the 

 county seat and capital of the State, is at an elevation of 120 feet. The 

 annual temperature is 52.8 degrees; January, 40.3; April, 50.6; July, 

 66.4; October, 53.6; annual rainfall, 35.50 inches. The average period 

 between killing frosts is 206 days or about the same as Raleigh, North 

 Carolina, Jackson, Tennessee, and Guthrie, Oklahoma. At Mount Angel 

 the elevation is 485 feet; annual temperature, 52.9 degrees; January, 

 39.4; April, 50.5; July, 67.2; October, 53.2; annual rainfall, 46.58 inches. 



MHLTNOMAH COUNTY. 



Multnomah County is a comparatively narrow strip extending along 

 the Columbia River on the northern boundary of the State and extends 

 into the Cascade Mountains. The arable land lies between 50 and 2,000 

 feet elevation. The altitude of the Observation Station in Portland is 

 57 feet. The annual temperature is 52.4 degrees; January, 39.1; April, 

 51.2; July, 66.3; October, 55.1; annual rainfall, 45.13 inches. The 

 average period between killing frosts is 245 days, but for the greater 

 part of the county is not quite so long. 



MORROW COUNTY. 



Morrow County slopes from the mountains to the Columbia River on 

 the northern boundary of the State and is in eastern Oregon. Immedi- 

 ately along the Columbia River the climatic conditions are similar to 

 those at Blalock, Gilliam County. Heppner, the county seat, is at an 

 altitude of 1,950 feet. Its annual tempei^ature is 50.2 degrees; January, 

 32.9; April, 48.4; July, 68.8; October, 51.3; annual rainfall, 14.16 

 inches; period between killing frosts, 150 days. 



SHERMAN COUNTY. 



Sherman County also fronts on the Columbia River in eastern 

 Oregon, and the climatic conditions of the portion immediately adjoining 

 the river are similar to those at Blalock, Gilliam County. Condon, the 

 county seat, is at an elevation of 2,884 feet; the annual temperature is 

 47.1 degrees; January, 27.4; April, 45.3; July, 66.3; October, 46; 

 annual rainfall, 11.98 inches. 



POLK COUNTY. 



Polk County is in the western part of the Willamette Valley, and 

 includes both Valley and hill lands. The Wallace Farm, on the eastern 

 border of the county, is at an elevation of 170 feet. The annual tem- 

 perature and rainfall vary but little from those of Salem, which is but 

 a few miles away. Falls City, which is near the center of the county, 

 is in a Valley amid the foothills of the Coast Range Mountains. Its ele- 

 vation is 355 feet. The annual temperature is 50.6 degrees; January, 38; 

 April, 49; July, 63.2; October, 50.7; annual rainfall, 80.81 inches. 



TILLAMOOK COUNTY. 



This county lies along the ocean west of the summit of the Coast) 

 Range Mountains. Bay City, near the ocean, is at an elevation of 14 

 feet. Its annual temperature is 52.8 degrees; January, 43.2; April, 

 48.9; July, 59.4; October, 53.3; annual rainfall, 104.15 inches. At 

 Glenora (Wilson P. O.) the elevation is 575 feet; annual temperature, 

 49.6 degrees; January, 37.1; April, 47.8; July, 62.7; October, 50.7; 

 annual rainfall, 135.39 inches. 



